<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2023 Workiva-->
<!--r:c4d7b065-6cd3-4f8f-856c-9b85b65bbd1c,g:3b4b8bc3-456e-4607-aa6d-15318d74d51d-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.coinbase.com/role/CoverPage" xlink:type="simple" xlink:href="coin-20230630.xsd#CoverPage"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/CoverPage" xlink:type="extended" id="i0149caf079b2492195e292c7d4c69500_CoverPage">
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_3fc5b0ed-5455-449e-a486-2a7f3a619281" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_DocumentType_3fc5b0ed-5455-449e-a486-2a7f3a619281" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_10b26c2d-8fdb-4513-8f78-1a32ca5d8459" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentQuarterlyReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_DocumentQuarterlyReport_10b26c2d-8fdb-4513-8f78-1a32ca5d8459" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_372726cd-87bd-4474-94c9-4f8a4b8d241b" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_DocumentPeriodEndDate_372726cd-87bd-4474-94c9-4f8a4b8d241b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_ea5a552f-4aa7-4e1d-9ecb-04979b9e749f" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentTransitionReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_DocumentTransitionReport_ea5a552f-4aa7-4e1d-9ecb-04979b9e749f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_18b93026-f0e3-48d7-86d8-b5b30b2b68f7" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_EntityFileNumber_18b93026-f0e3-48d7-86d8-b5b30b2b68f7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_eceb3c58-9c7e-440d-9756-ba5e81207610" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_EntityRegistrantName_eceb3c58-9c7e-440d-9756-ba5e81207610" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_fdb15464-26df-4a04-9499-1959b6832be5" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_EntityIncorporationStateCountryCode_fdb15464-26df-4a04-9499-1959b6832be5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_76c865d5-a5d0-4e33-b3cb-2a2e02cc5012" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_EntityTaxIdentificationNumber_76c865d5-a5d0-4e33-b3cb-2a2e02cc5012" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_01e8218f-c8dc-4d87-940c-7eec1aa10ff1" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_Security12bTitle_01e8218f-c8dc-4d87-940c-7eec1aa10ff1" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_49468db9-8ff0-46cd-bc5a-cd22a7917c56" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_TradingSymbol_49468db9-8ff0-46cd-bc5a-cd22a7917c56" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_bec16be0-f7cf-4296-9cc4-dea8945de57f" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_SecurityExchangeName_bec16be0-f7cf-4296-9cc4-dea8945de57f" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_fea449c4-d161-4b3c-8a4f-399f5700097e" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCurrentReportingStatus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_EntityCurrentReportingStatus_fea449c4-d161-4b3c-8a4f-399f5700097e" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_82c6e1ba-51c3-47e5-bc10-9b188f001c85" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_EntityInteractiveDataCurrent_82c6e1ba-51c3-47e5-bc10-9b188f001c85" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_4700adec-f001-4ec9-9aca-72a092a3fcbe" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityFilerCategory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_EntityFilerCategory_4700adec-f001-4ec9-9aca-72a092a3fcbe" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_2ca10fef-c65a-45b1-a246-f378357697d8" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntitySmallBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_EntitySmallBusiness_2ca10fef-c65a-45b1-a246-f378357697d8" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_59503158-9fbb-4168-8c33-eda4602cf817" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_EntityEmergingGrowthCompany_59503158-9fbb-4168-8c33-eda4602cf817" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_0518a07c-1fc2-4f1e-93bc-ccde932efb10" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityShellCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_EntityShellCompany_0518a07c-1fc2-4f1e-93bc-ccde932efb10" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_9e03c729-970b-42a8-aa4a-ea4c29d3ce5c" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_9e03c729-970b-42a8-aa4a-ea4c29d3ce5c" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_5c1ff53f-b167-40dc-bbfd-d7a3d496be3a" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_EntityCentralIndexKey_5c1ff53f-b167-40dc-bbfd-d7a3d496be3a" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_4c1a0f0e-6156-4ed3-a95b-d9c5da944a07" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_AmendmentFlag_4c1a0f0e-6156-4ed3-a95b-d9c5da944a07" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_f72ea4d4-b33c-4997-b10a-c2da28503d5c" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentFiscalYearFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_DocumentFiscalYearFocus_f72ea4d4-b33c-4997-b10a-c2da28503d5c" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_9f1ae172-6527-4dab-9fee-f2bb8e581b22" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_DocumentFiscalPeriodFocus_9f1ae172-6527-4dab-9fee-f2bb8e581b22" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_2985485f-22c5-44cc-b51d-8167ba3c739f" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_CurrentFiscalYearEndDate_2985485f-22c5-44cc-b51d-8167ba3c739f" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitiesTable_d3073ac9-9ef9-43be-9d6b-9a3f6c2c03a7" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntitiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityInformationLineItems_cc9e5b6a-d583-4342-8c75-88629809d1e8" xlink:to="loc_dei_EntitiesTable_d3073ac9-9ef9-43be-9d6b-9a3f6c2c03a7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_76eb65e5-4f8e-4c7a-ae4c-82da54210310" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_EntitiesTable_d3073ac9-9ef9-43be-9d6b-9a3f6c2c03a7" xlink:to="loc_us-gaap_StatementClassOfStockAxis_76eb65e5-4f8e-4c7a-ae4c-82da54210310" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_76eb65e5-4f8e-4c7a-ae4c-82da54210310_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_76eb65e5-4f8e-4c7a-ae4c-82da54210310" xlink:to="loc_us-gaap_ClassOfStockDomain_76eb65e5-4f8e-4c7a-ae4c-82da54210310_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_6b480227-0a6a-4efd-8cb8-8caca6d2ff87" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_76eb65e5-4f8e-4c7a-ae4c-82da54210310" xlink:to="loc_us-gaap_ClassOfStockDomain_6b480227-0a6a-4efd-8cb8-8caca6d2ff87" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_4fc66acb-4793-448b-858a-47d6cfb28bd7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_6b480227-0a6a-4efd-8cb8-8caca6d2ff87" xlink:to="loc_us-gaap_CommonClassAMember_4fc66acb-4793-448b-858a-47d6cfb28bd7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_26c707fc-7dab-4872-b88c-613beade6e65" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_6b480227-0a6a-4efd-8cb8-8caca6d2ff87" xlink:to="loc_us-gaap_CommonClassBMember_26c707fc-7dab-4872-b88c-613beade6e65" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/CondensedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="coin-20230630.xsd#CondensedConsolidatedBalanceSheets"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended" id="if2f8ebb4d8694061ae1fd8b376e75214_CondensedConsolidatedBalanceSheets">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_47095137-47b6-4f32-8712-14256fc1c9c2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_9c0ced5a-1c4d-4ed6-8c2d-30306a40662f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_47095137-47b6-4f32-8712-14256fc1c9c2" xlink:to="loc_us-gaap_AssetsAbstract_9c0ced5a-1c4d-4ed6-8c2d-30306a40662f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_227fdbdc-d56d-4087-b093-759db30bc610" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_9c0ced5a-1c4d-4ed6-8c2d-30306a40662f" xlink:to="loc_us-gaap_AssetsCurrentAbstract_227fdbdc-d56d-4087-b093-759db30bc610" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_908425e3-6324-479f-8df0-b199726b41ff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_227fdbdc-d56d-4087-b093-759db30bc610" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_908425e3-6324-479f-8df0-b199726b41ff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashCurrent_7a0a0c88-9951-4133-94d6-7d7918eea5c6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_227fdbdc-d56d-4087-b093-759db30bc610" xlink:to="loc_us-gaap_RestrictedCashCurrent_7a0a0c88-9951-4133-94d6-7d7918eea5c6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_ClientCustodialCashCurrent_29c05d61-c40e-421d-b13d-d582c241515d" xlink:href="coin-20230630.xsd#coin_ClientCustodialCashCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_227fdbdc-d56d-4087-b093-759db30bc610" xlink:to="loc_coin_ClientCustodialCashCurrent_29c05d61-c40e-421d-b13d-d582c241515d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SafeguardingAssetPlatformOperatorCryptoAsset_79bd1906-3085-4db2-93c2-5eb05d875310" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SafeguardingAssetPlatformOperatorCryptoAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_227fdbdc-d56d-4087-b093-759db30bc610" xlink:to="loc_srt_SafeguardingAssetPlatformOperatorCryptoAsset_79bd1906-3085-4db2-93c2-5eb05d875310" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptoCurrencyCurrent_a03485f6-8941-4b0d-8944-d898bc9b712c" xlink:href="coin-20230630.xsd#coin_CryptoCurrencyCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_227fdbdc-d56d-4087-b093-759db30bc610" xlink:to="loc_coin_CryptoCurrencyCurrent_a03485f6-8941-4b0d-8944-d898bc9b712c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableNetCurrent_0f744874-8aa6-449c-80e9-b3c17e8b831e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesAndLoansReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_227fdbdc-d56d-4087-b093-759db30bc610" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableNetCurrent_0f744874-8aa6-449c-80e9-b3c17e8b831e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesReceivable_c6d08f5b-6cdf-4352-94a2-2dd27f39c408" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxesReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_227fdbdc-d56d-4087-b093-759db30bc610" xlink:to="loc_us-gaap_IncomeTaxesReceivable_c6d08f5b-6cdf-4352-94a2-2dd27f39c408" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_d4f8fb57-4575-4104-bb52-9d0468f82cc2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_227fdbdc-d56d-4087-b093-759db30bc610" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_d4f8fb57-4575-4104-bb52-9d0468f82cc2" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_68f147d2-0b95-471c-bc59-88618025e697" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_227fdbdc-d56d-4087-b093-759db30bc610" xlink:to="loc_us-gaap_AssetsCurrent_68f147d2-0b95-471c-bc59-88618025e697" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_IndefiniteLivedCryptoAssets_214ca627-68d3-443d-a626-f34422a794a9" xlink:href="coin-20230630.xsd#coin_IndefiniteLivedCryptoAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_9c0ced5a-1c4d-4ed6-8c2d-30306a40662f" xlink:to="loc_coin_IndefiniteLivedCryptoAssets_214ca627-68d3-443d-a626-f34422a794a9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_530a5855-3e98-438f-8627-bb80f44aad09" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_9c0ced5a-1c4d-4ed6-8c2d-30306a40662f" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_530a5855-3e98-438f-8627-bb80f44aad09" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_e92bb8bc-0d4a-4f66-a8b3-4d354cb04c25" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_9c0ced5a-1c4d-4ed6-8c2d-30306a40662f" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_e92bb8bc-0d4a-4f66-a8b3-4d354cb04c25" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_a04bb63c-9e28-4f6c-b369-12b27d92843a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_9c0ced5a-1c4d-4ed6-8c2d-30306a40662f" xlink:to="loc_us-gaap_Goodwill_a04bb63c-9e28-4f6c-b369-12b27d92843a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_IntangibleAssetsNetExcludingGoodwillAndIndefiniteLivedCryptoAssets_a7dd802c-b739-4db2-bb03-3d51e26e9d72" xlink:href="coin-20230630.xsd#coin_IntangibleAssetsNetExcludingGoodwillAndIndefiniteLivedCryptoAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_9c0ced5a-1c4d-4ed6-8c2d-30306a40662f" xlink:to="loc_coin_IntangibleAssetsNetExcludingGoodwillAndIndefiniteLivedCryptoAssets_a7dd802c-b739-4db2-bb03-3d51e26e9d72" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_e6e39488-b08c-41aa-9f60-6d82a289a31f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_9c0ced5a-1c4d-4ed6-8c2d-30306a40662f" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_e6e39488-b08c-41aa-9f60-6d82a289a31f" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_1b2808c9-1e57-4b3f-8637-be1a00c082d0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_9c0ced5a-1c4d-4ed6-8c2d-30306a40662f" xlink:to="loc_us-gaap_Assets_1b2808c9-1e57-4b3f-8637-be1a00c082d0" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_960b8ae8-396c-40b3-8db2-909e6411e714" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_47095137-47b6-4f32-8712-14256fc1c9c2" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_960b8ae8-396c-40b3-8db2-909e6411e714" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_ece181fb-4caa-4e05-a3e9-413c06016252" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_960b8ae8-396c-40b3-8db2-909e6411e714" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_ece181fb-4caa-4e05-a3e9-413c06016252" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CustodialCashDueToClientsCurrent_96894ac2-c891-426f-beb2-21ab4093dc6e" xlink:href="coin-20230630.xsd#coin_CustodialCashDueToClientsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_ece181fb-4caa-4e05-a3e9-413c06016252" xlink:to="loc_coin_CustodialCashDueToClientsCurrent_96894ac2-c891-426f-beb2-21ab4093dc6e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SafeguardingLiabilityPlatformOperatorCryptoAsset_79fe543f-10a8-4566-a14a-2118c03c718c" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SafeguardingLiabilityPlatformOperatorCryptoAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_ece181fb-4caa-4e05-a3e9-413c06016252" xlink:to="loc_srt_SafeguardingLiabilityPlatformOperatorCryptoAsset_79fe543f-10a8-4566-a14a-2118c03c718c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_21060ca9-cd6f-46cd-95bf-478347cbc13d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_ece181fb-4caa-4e05-a3e9-413c06016252" xlink:to="loc_us-gaap_AccountsPayableCurrent_21060ca9-cd6f-46cd-95bf-478347cbc13d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_c0ba06b8-26c4-4a16-9194-eba01972fbd3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_ece181fb-4caa-4e05-a3e9-413c06016252" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_c0ba06b8-26c4-4a16-9194-eba01972fbd3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_98cf1c7f-3885-4f29-b9c2-7cc98bca62eb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_ece181fb-4caa-4e05-a3e9-413c06016252" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_98cf1c7f-3885-4f29-b9c2-7cc98bca62eb" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_abc931a0-3c69-4436-a787-cc7f2196612d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_ece181fb-4caa-4e05-a3e9-413c06016252" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_abc931a0-3c69-4436-a787-cc7f2196612d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_064464e2-c3c7-4ae8-abd2-51b38d74db3f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_ece181fb-4caa-4e05-a3e9-413c06016252" xlink:to="loc_us-gaap_LiabilitiesCurrent_064464e2-c3c7-4ae8-abd2-51b38d74db3f" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_b275fb3e-1a9d-459e-a0d2-128c7b50c0fa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_960b8ae8-396c-40b3-8db2-909e6411e714" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_b275fb3e-1a9d-459e-a0d2-128c7b50c0fa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_1cefd94b-94b9-401f-a747-916239df60f3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_960b8ae8-396c-40b3-8db2-909e6411e714" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_1cefd94b-94b9-401f-a747-916239df60f3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_03586cba-eca6-4037-ab80-c1961f721a0f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_960b8ae8-396c-40b3-8db2-909e6411e714" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_03586cba-eca6-4037-ab80-c1961f721a0f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_3eba3388-8368-4a5a-93f5-51cf5f30549d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_960b8ae8-396c-40b3-8db2-909e6411e714" xlink:to="loc_us-gaap_Liabilities_3eba3388-8368-4a5a-93f5-51cf5f30549d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_90a5317d-7d0a-459d-986a-91b3dea60a54" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_960b8ae8-396c-40b3-8db2-909e6411e714" xlink:to="loc_us-gaap_CommitmentsAndContingencies_90a5317d-7d0a-459d-986a-91b3dea60a54" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract_6c8e575e-ab61-4423-af47-b2c013cce219" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_960b8ae8-396c-40b3-8db2-909e6411e714" xlink:to="loc_us-gaap_StockholdersEquityAbstract_6c8e575e-ab61-4423-af47-b2c013cce219" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_04af847b-d882-4920-bda8-2216d47d3a2e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_6c8e575e-ab61-4423-af47-b2c013cce219" xlink:to="loc_us-gaap_CommonStockValue_04af847b-d882-4920-bda8-2216d47d3a2e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_82a0fe88-fe9e-478a-aff7-816b99718007" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_6c8e575e-ab61-4423-af47-b2c013cce219" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_82a0fe88-fe9e-478a-aff7-816b99718007" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_a645fe15-740b-4d34-a278-81af1ec4d604" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_6c8e575e-ab61-4423-af47-b2c013cce219" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_a645fe15-740b-4d34-a278-81af1ec4d604" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_b5328fbd-9e51-450f-8775-3d3970fe3c22" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_6c8e575e-ab61-4423-af47-b2c013cce219" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_b5328fbd-9e51-450f-8775-3d3970fe3c22" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_226e1890-5107-4d37-9c48-c8c2646bc4e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_6c8e575e-ab61-4423-af47-b2c013cce219" xlink:to="loc_us-gaap_StockholdersEquity_226e1890-5107-4d37-9c48-c8c2646bc4e2" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_374f6b08-84d2-4944-84e9-30ee581e24ca" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_960b8ae8-396c-40b3-8db2-909e6411e714" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_374f6b08-84d2-4944-84e9-30ee581e24ca" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_48465221-1d99-44a9-b9d0-78e5763df95c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_47095137-47b6-4f32-8712-14256fc1c9c2" xlink:to="loc_us-gaap_StatementTable_48465221-1d99-44a9-b9d0-78e5763df95c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_eff41dc2-abd6-4695-a38e-9767a722b7ad" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_48465221-1d99-44a9-b9d0-78e5763df95c" xlink:to="loc_us-gaap_StatementClassOfStockAxis_eff41dc2-abd6-4695-a38e-9767a722b7ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_eff41dc2-abd6-4695-a38e-9767a722b7ad_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_eff41dc2-abd6-4695-a38e-9767a722b7ad" xlink:to="loc_us-gaap_ClassOfStockDomain_eff41dc2-abd6-4695-a38e-9767a722b7ad_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_cc45faf5-6f97-441f-876e-653ab41fac36" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_eff41dc2-abd6-4695-a38e-9767a722b7ad" xlink:to="loc_us-gaap_ClassOfStockDomain_cc45faf5-6f97-441f-876e-653ab41fac36" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_5e986a3d-02e1-48cb-8818-917b21b8b1e4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_cc45faf5-6f97-441f-876e-653ab41fac36" xlink:to="loc_us-gaap_CommonClassAMember_5e986a3d-02e1-48cb-8818-917b21b8b1e4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_388f25c0-3763-4b4f-b8b9-bef123fe445a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_cc45faf5-6f97-441f-876e-653ab41fac36" xlink:to="loc_us-gaap_CommonClassBMember_388f25c0-3763-4b4f-b8b9-bef123fe445a" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="simple" xlink:href="coin-20230630.xsd#CondensedConsolidatedBalanceSheetsParenthetical"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="extended" id="i377a53feec2f4cd1ac30475bfa4e78ea_CondensedConsolidatedBalanceSheetsParenthetical">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_2525db9b-ccd4-414e-9376-35a02dc9cd96" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_7e3434e3-361d-4027-a26c-afe3f3d7f4ba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2525db9b-ccd4-414e-9376-35a02dc9cd96" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_7e3434e3-361d-4027-a26c-afe3f3d7f4ba" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_2e160009-9f8b-4ae7-ae0d-a9cc3c416d17" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2525db9b-ccd4-414e-9376-35a02dc9cd96" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_2e160009-9f8b-4ae7-ae0d-a9cc3c416d17" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_6393fae4-5938-4271-9b5d-1696141055ce" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2525db9b-ccd4-414e-9376-35a02dc9cd96" xlink:to="loc_us-gaap_CommonStockSharesIssued_6393fae4-5938-4271-9b5d-1696141055ce" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_a236b057-c2b3-4f30-abb6-b34a6ed64583" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2525db9b-ccd4-414e-9376-35a02dc9cd96" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_a236b057-c2b3-4f30-abb6-b34a6ed64583" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_b7c636c2-511f-4743-a6cf-4fbfaa594f23" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_2525db9b-ccd4-414e-9376-35a02dc9cd96" xlink:to="loc_us-gaap_StatementTable_b7c636c2-511f-4743-a6cf-4fbfaa594f23" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_f783541f-0d74-419d-9f0c-5b37e41c9fb3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_b7c636c2-511f-4743-a6cf-4fbfaa594f23" xlink:to="loc_us-gaap_StatementClassOfStockAxis_f783541f-0d74-419d-9f0c-5b37e41c9fb3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_f783541f-0d74-419d-9f0c-5b37e41c9fb3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_f783541f-0d74-419d-9f0c-5b37e41c9fb3" xlink:to="loc_us-gaap_ClassOfStockDomain_f783541f-0d74-419d-9f0c-5b37e41c9fb3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_2a9e066b-3c12-401f-9a80-4d3a08228198" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_f783541f-0d74-419d-9f0c-5b37e41c9fb3" xlink:to="loc_us-gaap_ClassOfStockDomain_2a9e066b-3c12-401f-9a80-4d3a08228198" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_ca9c9cc7-8221-460e-9991-3285f4926d4a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_2a9e066b-3c12-401f-9a80-4d3a08228198" xlink:to="loc_us-gaap_CommonClassAMember_ca9c9cc7-8221-460e-9991-3285f4926d4a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_6ed2b66d-8c52-42be-9c04-a52373bab735" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_2a9e066b-3c12-401f-9a80-4d3a08228198" xlink:to="loc_us-gaap_CommonClassBMember_6ed2b66d-8c52-42be-9c04-a52373bab735" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/CondensedConsolidatedStatementsofOperations" xlink:type="simple" xlink:href="coin-20230630.xsd#CondensedConsolidatedStatementsofOperations"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/CondensedConsolidatedStatementsofOperations" xlink:type="extended" id="i74e4a042a69d49528ad1186676d142c1_CondensedConsolidatedStatementsofOperations">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_ca607991-c8b4-4aef-b997-68ef6290bbd3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_0cdb40c0-9154-4548-88e3-beea6a23dadd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenuesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ca607991-c8b4-4aef-b997-68ef6290bbd3" xlink:to="loc_us-gaap_RevenuesAbstract_0cdb40c0-9154-4548-88e3-beea6a23dadd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_053790b8-bfbd-45f3-9ee6-341dbdc33a32" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_0cdb40c0-9154-4548-88e3-beea6a23dadd" xlink:to="loc_us-gaap_Revenues_053790b8-bfbd-45f3-9ee6-341dbdc33a32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_efceaaf2-36be-450e-ae60-9c19672b6ea4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ca607991-c8b4-4aef-b997-68ef6290bbd3" xlink:to="loc_us-gaap_OperatingExpensesAbstract_efceaaf2-36be-450e-ae60-9c19672b6ea4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InformationTechnologyAndDataProcessing_92e4408d-678e-4149-9613-e0aba34597e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InformationTechnologyAndDataProcessing"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_efceaaf2-36be-450e-ae60-9c19672b6ea4" xlink:to="loc_us-gaap_InformationTechnologyAndDataProcessing_92e4408d-678e-4149-9613-e0aba34597e0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_40da765c-905b-4047-8b08-1ac0b86eaf6d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_efceaaf2-36be-450e-ae60-9c19672b6ea4" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_40da765c-905b-4047-8b08-1ac0b86eaf6d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_c76f393e-c6d6-4bc5-bc50-85d53c4e906b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_efceaaf2-36be-450e-ae60-9c19672b6ea4" xlink:to="loc_us-gaap_SellingAndMarketingExpense_c76f393e-c6d6-4bc5-bc50-85d53c4e906b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_f25210fc-3c21-4b1a-8827-b9fe2e6fa016" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_efceaaf2-36be-450e-ae60-9c19672b6ea4" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_f25210fc-3c21-4b1a-8827-b9fe2e6fa016" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_8940c5bb-7de0-41c2-bec3-e17316f88d65" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_efceaaf2-36be-450e-ae60-9c19672b6ea4" xlink:to="loc_us-gaap_RestructuringCharges_8940c5bb-7de0-41c2-bec3-e17316f88d65" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_07db2e8a-583f-415b-b938-2b5b9ed78929" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_efceaaf2-36be-450e-ae60-9c19672b6ea4" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_07db2e8a-583f-415b-b938-2b5b9ed78929" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_b6ee8c1d-02ac-41ab-8d98-25086eff5c7b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_efceaaf2-36be-450e-ae60-9c19672b6ea4" xlink:to="loc_us-gaap_OperatingExpenses_b6ee8c1d-02ac-41ab-8d98-25086eff5c7b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_7f564877-0259-4b59-9cd3-3871a40b6f07" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ca607991-c8b4-4aef-b997-68ef6290bbd3" xlink:to="loc_us-gaap_OperatingIncomeLoss_7f564877-0259-4b59-9cd3-3871a40b6f07" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_4f715533-89d1-402b-90a1-ff886f4a9fba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ca607991-c8b4-4aef-b997-68ef6290bbd3" xlink:to="loc_us-gaap_InterestExpense_4f715533-89d1-402b-90a1-ff886f4a9fba" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_57664488-25fd-4dd7-8c1c-7a31f36bf365" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ca607991-c8b4-4aef-b997-68ef6290bbd3" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_57664488-25fd-4dd7-8c1c-7a31f36bf365" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_e10477a7-93ed-4f48-8e40-8520dc176105" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ca607991-c8b4-4aef-b997-68ef6290bbd3" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_e10477a7-93ed-4f48-8e40-8520dc176105" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_02876047-fb05-4bfc-a245-781ffb423abe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ca607991-c8b4-4aef-b997-68ef6290bbd3" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_02876047-fb05-4bfc-a245-781ffb423abe" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_de8e40ff-abe0-46dc-a0f6-802218479ed0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ca607991-c8b4-4aef-b997-68ef6290bbd3" xlink:to="loc_us-gaap_NetIncomeLoss_de8e40ff-abe0-46dc-a0f6-802218479ed0" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_5b5bd34f-6e80-46c7-96c1-640699dee3f0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ca607991-c8b4-4aef-b997-68ef6290bbd3" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_5b5bd34f-6e80-46c7-96c1-640699dee3f0" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_96f7b616-b73a-403a-8269-86e9a4398baf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_5b5bd34f-6e80-46c7-96c1-640699dee3f0" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_96f7b616-b73a-403a-8269-86e9a4398baf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_6ccd5fb7-5bde-4beb-86cc-cd899aa0414b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_5b5bd34f-6e80-46c7-96c1-640699dee3f0" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_6ccd5fb7-5bde-4beb-86cc-cd899aa0414b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_5a2b8ca2-3966-47ca-aaa9-e92549d21738" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ca607991-c8b4-4aef-b997-68ef6290bbd3" xlink:to="loc_us-gaap_EarningsPerShareAbstract_5a2b8ca2-3966-47ca-aaa9-e92549d21738" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_6078d63d-d8fe-4b33-82ea-04f90616f3cb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_5a2b8ca2-3966-47ca-aaa9-e92549d21738" xlink:to="loc_us-gaap_EarningsPerShareBasic_6078d63d-d8fe-4b33-82ea-04f90616f3cb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_35ddd199-7a1a-4f5d-a666-da200cf2e047" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_5a2b8ca2-3966-47ca-aaa9-e92549d21738" xlink:to="loc_us-gaap_EarningsPerShareDiluted_35ddd199-7a1a-4f5d-a666-da200cf2e047" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_91dd4a5a-98e6-40d8-94c5-0ed90eb427d3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ca607991-c8b4-4aef-b997-68ef6290bbd3" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_91dd4a5a-98e6-40d8-94c5-0ed90eb427d3" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2e688b00-6857-43d9-8e4c-f0ecdbc0cb67" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_91dd4a5a-98e6-40d8-94c5-0ed90eb427d3" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2e688b00-6857-43d9-8e4c-f0ecdbc0cb67" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3cd82723-0576-4587-9b8e-0974e7397c68" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_91dd4a5a-98e6-40d8-94c5-0ed90eb427d3" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3cd82723-0576-4587-9b8e-0974e7397c68" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_9afb1d09-4ce9-47f3-a156-f28477603a8a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_ca607991-c8b4-4aef-b997-68ef6290bbd3" xlink:to="loc_us-gaap_StatementTable_9afb1d09-4ce9-47f3-a156-f28477603a8a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_aa4ac311-44b8-4f3d-8ead-7bf8f9a9fa09" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_9afb1d09-4ce9-47f3-a156-f28477603a8a" xlink:to="loc_srt_ProductOrServiceAxis_aa4ac311-44b8-4f3d-8ead-7bf8f9a9fa09" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_aa4ac311-44b8-4f3d-8ead-7bf8f9a9fa09_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_aa4ac311-44b8-4f3d-8ead-7bf8f9a9fa09" xlink:to="loc_srt_ProductsAndServicesDomain_aa4ac311-44b8-4f3d-8ead-7bf8f9a9fa09_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_c63f900a-9692-4e3b-bf4a-79f769fdde20" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_aa4ac311-44b8-4f3d-8ead-7bf8f9a9fa09" xlink:to="loc_srt_ProductsAndServicesDomain_c63f900a-9692-4e3b-bf4a-79f769fdde20" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_BankServicingAndSubscriptionAndCirculationMember_66a8f8d0-6172-496c-b551-240d29037762" xlink:href="coin-20230630.xsd#coin_BankServicingAndSubscriptionAndCirculationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_c63f900a-9692-4e3b-bf4a-79f769fdde20" xlink:to="loc_coin_BankServicingAndSubscriptionAndCirculationMember_66a8f8d0-6172-496c-b551-240d29037762" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_OtherCryptoSalesMember_bcb01c2c-57da-463a-876f-897b70333d40" xlink:href="coin-20230630.xsd#coin_OtherCryptoSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_c63f900a-9692-4e3b-bf4a-79f769fdde20" xlink:to="loc_coin_OtherCryptoSalesMember_bcb01c2c-57da-463a-876f-897b70333d40" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/CondensedConsolidatedStatementsofChangesinStockholdersEquity" xlink:type="simple" xlink:href="coin-20230630.xsd#CondensedConsolidatedStatementsofChangesinStockholdersEquity"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/CondensedConsolidatedStatementsofChangesinStockholdersEquity" xlink:type="extended" id="i9891cc35e2124b6684c946bc81441410_CondensedConsolidatedStatementsofChangesinStockholdersEquity">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_5fb9946a-a326-4d9c-a675-3f3979b03ead" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_418def1a-e2cd-427e-ae19-21858394803c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5fb9946a-a326-4d9c-a675-3f3979b03ead" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_418def1a-e2cd-427e-ae19-21858394803c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssued_a281e906-a02b-4d4d-8931-3bb6eb288372" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_418def1a-e2cd-427e-ae19-21858394803c" xlink:to="loc_us-gaap_SharesIssued_a281e906-a02b-4d4d-8931-3bb6eb288372" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_fb46dbc7-3abc-4f02-8719-e589d123dd83" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_418def1a-e2cd-427e-ae19-21858394803c" xlink:to="loc_us-gaap_StockholdersEquity_fb46dbc7-3abc-4f02-8719-e589d123dd83" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_9bda89b8-301f-4c61-895f-38d0ed6cf499" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_418def1a-e2cd-427e-ae19-21858394803c" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_9bda89b8-301f-4c61-895f-38d0ed6cf499" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_90ed8da0-3965-41e4-b796-0503f3a374d2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_418def1a-e2cd-427e-ae19-21858394803c" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_90ed8da0-3965-41e4-b796-0503f3a374d2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_6cf2643d-a674-46b8-b695-7fcb683d08f4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_418def1a-e2cd-427e-ae19-21858394803c" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_6cf2643d-a674-46b8-b695-7fcb683d08f4" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_f910f1d1-97d7-46b0-b3fd-a9f4637d810f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_418def1a-e2cd-427e-ae19-21858394803c" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_f910f1d1-97d7-46b0-b3fd-a9f4637d810f" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueAcquisitions_7725fd3b-d4fd-4206-92f9-e9fee4be63f9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodValueAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_418def1a-e2cd-427e-ae19-21858394803c" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueAcquisitions_7725fd3b-d4fd-4206-92f9-e9fee4be63f9" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_StockIssuedDuringPeriodSharesRestrictedStockUnitNetOfSharesWithheld_d1a15c89-2928-43af-8594-c9c79abf1160" xlink:href="coin-20230630.xsd#coin_StockIssuedDuringPeriodSharesRestrictedStockUnitNetOfSharesWithheld"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_418def1a-e2cd-427e-ae19-21858394803c" xlink:to="loc_coin_StockIssuedDuringPeriodSharesRestrictedStockUnitNetOfSharesWithheld_d1a15c89-2928-43af-8594-c9c79abf1160" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_StockIssuedDuringPeriodValueRestrictedStockUnitNetOfSharesWithheld_2cfa0af9-74c7-4233-aa2c-2999ceffcfe1" xlink:href="coin-20230630.xsd#coin_StockIssuedDuringPeriodValueRestrictedStockUnitNetOfSharesWithheld"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_418def1a-e2cd-427e-ae19-21858394803c" xlink:to="loc_coin_StockIssuedDuringPeriodValueRestrictedStockUnitNetOfSharesWithheld_2cfa0af9-74c7-4233-aa2c-2999ceffcfe1" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_3b3921ac-bd20-432f-a2e8-1bd4434b5d04" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_418def1a-e2cd-427e-ae19-21858394803c" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_3b3921ac-bd20-432f-a2e8-1bd4434b5d04" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_b27952bb-e5ab-40a7-b23b-088a3b2be619" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_418def1a-e2cd-427e-ae19-21858394803c" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_b27952bb-e5ab-40a7-b23b-088a3b2be619" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition_36dd4db2-c27d-45c8-85b5-7372a7f45fdd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_418def1a-e2cd-427e-ae19-21858394803c" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition_36dd4db2-c27d-45c8-85b5-7372a7f45fdd" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_cfc11600-2799-43b9-8d33-02d98c90eb2b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_418def1a-e2cd-427e-ae19-21858394803c" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_cfc11600-2799-43b9-8d33-02d98c90eb2b" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_088a6780-d4ff-4834-bd6c-8fe440a4e00e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_418def1a-e2cd-427e-ae19-21858394803c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_088a6780-d4ff-4834-bd6c-8fe440a4e00e" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_fa97a34b-89d3-499c-b5d2-154765d824ae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_418def1a-e2cd-427e-ae19-21858394803c" xlink:to="loc_us-gaap_NetIncomeLoss_fa97a34b-89d3-499c-b5d2-154765d824ae" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssued_6ba7d73f-98b2-4c85-b93a-8cce709fc0ea" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharesIssued"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_ad65571d-fe81-4002-9896-ff0a6f4ded0b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_58c2ed70-5872-4c82-8b9e-4a1004578c5b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_5fb9946a-a326-4d9c-a675-3f3979b03ead" xlink:to="loc_us-gaap_StatementTable_58c2ed70-5872-4c82-8b9e-4a1004578c5b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_e566a74e-4f01-4190-9fb1-57dcf9fd2c32" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_58c2ed70-5872-4c82-8b9e-4a1004578c5b" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_e566a74e-4f01-4190-9fb1-57dcf9fd2c32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_e566a74e-4f01-4190-9fb1-57dcf9fd2c32_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_e566a74e-4f01-4190-9fb1-57dcf9fd2c32" xlink:to="loc_us-gaap_EquityComponentDomain_e566a74e-4f01-4190-9fb1-57dcf9fd2c32_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_ec49f399-afb0-441c-b862-997bac344462" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_e566a74e-4f01-4190-9fb1-57dcf9fd2c32" xlink:to="loc_us-gaap_EquityComponentDomain_ec49f399-afb0-441c-b862-997bac344462" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_01149c6c-1fc2-4983-b974-be152e940144" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_ec49f399-afb0-441c-b862-997bac344462" xlink:to="loc_us-gaap_CommonStockMember_01149c6c-1fc2-4983-b974-be152e940144" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_187a5fee-933d-4393-badd-32a172af43f4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_ec49f399-afb0-441c-b862-997bac344462" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_187a5fee-933d-4393-badd-32a172af43f4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_a4d0050d-f77f-4afb-9152-b782a75b03be" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_ec49f399-afb0-441c-b862-997bac344462" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_a4d0050d-f77f-4afb-9152-b782a75b03be" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_6384f573-cb12-4989-98c9-efe05719831b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_ec49f399-afb0-441c-b862-997bac344462" xlink:to="loc_us-gaap_RetainedEarningsMember_6384f573-cb12-4989-98c9-efe05719831b" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNarrativeDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNarrativeDetails" xlink:type="extended" id="i12156b3b2ed84cd3bb5b7b222eb1f7b3_SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_96968894-be66-409b-95cf-d2fa492d8955" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptoCurrencyCurrent_15fb344c-4085-4720-aab9-326110a07774" xlink:href="coin-20230630.xsd#coin_CryptoCurrencyCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_96968894-be66-409b-95cf-d2fa492d8955" xlink:to="loc_coin_CryptoCurrencyCurrent_15fb344c-4085-4720-aab9-326110a07774" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_b2b5e143-2b82-45e8-99c0-af29a66cc768" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_96968894-be66-409b-95cf-d2fa492d8955" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_b2b5e143-2b82-45e8-99c0-af29a66cc768" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SafeguardingAssetPlatformOperatorCryptoAsset_3b021dfe-eb43-4cb4-a338-6f40a2d696cd" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SafeguardingAssetPlatformOperatorCryptoAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_96968894-be66-409b-95cf-d2fa492d8955" xlink:to="loc_srt_SafeguardingAssetPlatformOperatorCryptoAsset_3b021dfe-eb43-4cb4-a338-6f40a2d696cd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SafeguardingLiabilityPlatformOperatorCryptoAsset_cab7cdc5-dd85-4b7b-af94-f60723dd5386" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SafeguardingLiabilityPlatformOperatorCryptoAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_96968894-be66-409b-95cf-d2fa492d8955" xlink:to="loc_srt_SafeguardingLiabilityPlatformOperatorCryptoAsset_cab7cdc5-dd85-4b7b-af94-f60723dd5386" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTable_bf541e8a-4b51-4cd7-ab56-27927e121f55" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_96968894-be66-409b-95cf-d2fa492d8955" xlink:to="loc_us-gaap_ConcentrationRiskTable_bf541e8a-4b51-4cd7-ab56-27927e121f55" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_1bec5be8-41b7-408a-848a-deb2fcee620a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_bf541e8a-4b51-4cd7-ab56-27927e121f55" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_1bec5be8-41b7-408a-848a-deb2fcee620a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_1bec5be8-41b7-408a-848a-deb2fcee620a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_1bec5be8-41b7-408a-848a-deb2fcee620a" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_1bec5be8-41b7-408a-848a-deb2fcee620a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_31a6aec5-5e79-4c9e-9c41-487ff1b08e77" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_1bec5be8-41b7-408a-848a-deb2fcee620a" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_31a6aec5-5e79-4c9e-9c41-487ff1b08e77" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableMember_32d8fdfa-b60d-413a-a147-6450e8f39e83" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_31a6aec5-5e79-4c9e-9c41-487ff1b08e77" xlink:to="loc_us-gaap_AccountsReceivableMember_32d8fdfa-b60d-413a-a147-6450e8f39e83" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesRevenueNetMember_4c5e6bbe-0bce-402a-b665-12fdb7716941" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesRevenueNetMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_31a6aec5-5e79-4c9e-9c41-487ff1b08e77" xlink:to="loc_us-gaap_SalesRevenueNetMember_4c5e6bbe-0bce-402a-b665-12fdb7716941" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_bba66c4e-3148-4dea-abf5-6de9b0d6d609" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_bf541e8a-4b51-4cd7-ab56-27927e121f55" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_bba66c4e-3148-4dea-abf5-6de9b0d6d609" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_bba66c4e-3148-4dea-abf5-6de9b0d6d609_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_bba66c4e-3148-4dea-abf5-6de9b0d6d609" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_bba66c4e-3148-4dea-abf5-6de9b0d6d609_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_7f3a161e-f950-423e-947f-58fb8d5d5800" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_bba66c4e-3148-4dea-abf5-6de9b0d6d609" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_7f3a161e-f950-423e-947f-58fb8d5d5800" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_00f5e5de-7e81-4a0a-949a-aa165ba2722f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CustomerConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_7f3a161e-f950-423e-947f-58fb8d5d5800" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_00f5e5de-7e81-4a0a-949a-aa165ba2722f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_788945aa-b10d-4934-a1a2-d70f9feb1434" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MajorCustomersAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_bf541e8a-4b51-4cd7-ab56-27927e121f55" xlink:to="loc_srt_MajorCustomersAxis_788945aa-b10d-4934-a1a2-d70f9feb1434" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_788945aa-b10d-4934-a1a2-d70f9feb1434_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_788945aa-b10d-4934-a1a2-d70f9feb1434" xlink:to="loc_srt_NameOfMajorCustomerDomain_788945aa-b10d-4934-a1a2-d70f9feb1434_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_1952e07c-aee7-480d-80eb-b77b0cab6d22" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_788945aa-b10d-4934-a1a2-d70f9feb1434" xlink:to="loc_srt_NameOfMajorCustomerDomain_1952e07c-aee7-480d-80eb-b77b0cab6d22" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_OneCustomerMember_d527e039-00dd-4719-b48a-97b065562461" xlink:href="coin-20230630.xsd#coin_OneCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_1952e07c-aee7-480d-80eb-b77b0cab6d22" xlink:to="loc_coin_OneCustomerMember_d527e039-00dd-4719-b48a-97b065562461" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/RESTRUCTURINGNarrativeDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#RESTRUCTURINGNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/RESTRUCTURINGNarrativeDetails" xlink:type="extended" id="i954ff40dddbd46e0b88218d4ab0cb2c0_RESTRUCTURINGNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_1d039021-d0a7-40dc-8e6e-c6c13195bf1b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent_d53a8616-601e-48b5-9fb7-a918d8193335" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_1d039021-d0a7-40dc-8e6e-c6c13195bf1b" xlink:to="loc_us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent_d53a8616-601e-48b5-9fb7-a918d8193335" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated_3c4bb6c0-1f98-44e8-abb0-6e7e273d1d01" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_1d039021-d0a7-40dc-8e6e-c6c13195bf1b" xlink:to="loc_us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated_3c4bb6c0-1f98-44e8-abb0-6e7e273d1d01" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1_bbed7735-1f68-4638-a270-ebbeb4bdb2c6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_1d039021-d0a7-40dc-8e6e-c6c13195bf1b" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1_bbed7735-1f68-4638-a270-ebbeb4bdb2c6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_4989e784-b9ea-4191-89b4-8976d6ab4d74" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_1d039021-d0a7-40dc-8e6e-c6c13195bf1b" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_4989e784-b9ea-4191-89b4-8976d6ab4d74" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanAxis_5d58fcba-f4da-4353-b3cf-0cdbbb8ad443" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringPlanAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_4989e784-b9ea-4191-89b4-8976d6ab4d74" xlink:to="loc_us-gaap_RestructuringPlanAxis_5d58fcba-f4da-4353-b3cf-0cdbbb8ad443" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_5d58fcba-f4da-4353-b3cf-0cdbbb8ad443_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_5d58fcba-f4da-4353-b3cf-0cdbbb8ad443" xlink:to="loc_us-gaap_RestructuringPlanDomain_5d58fcba-f4da-4353-b3cf-0cdbbb8ad443_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_ba5693b2-d46f-4ec3-94b8-37011662cada" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_5d58fcba-f4da-4353-b3cf-0cdbbb8ad443" xlink:to="loc_us-gaap_RestructuringPlanDomain_ba5693b2-d46f-4ec3-94b8-37011662cada" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_RestructuringPlanMember_4c7d5b01-09bf-43d9-a66f-668d6813eaf1" xlink:href="coin-20230630.xsd#coin_RestructuringPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_ba5693b2-d46f-4ec3-94b8-37011662cada" xlink:to="loc_coin_RestructuringPlanMember_4c7d5b01-09bf-43d9-a66f-668d6813eaf1" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/RESTRUCTURINGScheduleofRestructuringExpensesDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#RESTRUCTURINGScheduleofRestructuringExpensesDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/RESTRUCTURINGScheduleofRestructuringExpensesDetails" xlink:type="extended" id="i82a7f020373b41b0a711c269e0b8db90_RESTRUCTURINGScheduleofRestructuringExpensesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_12dd47dd-6c83-4079-901e-11714b7447a7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_fbf98ffd-0b23-4068-965d-ccc1a868df8e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_12dd47dd-6c83-4079-901e-11714b7447a7" xlink:to="loc_us-gaap_RestructuringCharges_fbf98ffd-0b23-4068-965d-ccc1a868df8e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_cfc6d008-3d13-4baf-bf40-efa6f685c1c2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_12dd47dd-6c83-4079-901e-11714b7447a7" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_cfc6d008-3d13-4baf-bf40-efa6f685c1c2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_3b22b6af-dca1-465c-9705-3f4c209743a5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_cfc6d008-3d13-4baf-bf40-efa6f685c1c2" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_3b22b6af-dca1-465c-9705-3f4c209743a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_3b22b6af-dca1-465c-9705-3f4c209743a5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_3b22b6af-dca1-465c-9705-3f4c209743a5" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_3b22b6af-dca1-465c-9705-3f4c209743a5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_6a582a89-bd13-4740-b7a4-49f53d8c456c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_3b22b6af-dca1-465c-9705-3f4c209743a5" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_6a582a89-bd13-4740-b7a4-49f53d8c456c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeSeveranceMember_db7186b3-fc2e-433f-b7bc-c500388d45ac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeSeveranceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_6a582a89-bd13-4740-b7a4-49f53d8c456c" xlink:to="loc_us-gaap_EmployeeSeveranceMember_db7186b3-fc2e-433f-b7bc-c500388d45ac" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_StockBasedCompensationExpendituresMember_6a7a4561-e47f-4251-96e8-2367d58d913f" xlink:href="coin-20230630.xsd#coin_StockBasedCompensationExpendituresMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_6a582a89-bd13-4740-b7a4-49f53d8c456c" xlink:to="loc_coin_StockBasedCompensationExpendituresMember_6a7a4561-e47f-4251-96e8-2367d58d913f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherRestructuringMember_3ec14ef0-60f4-4a8d-a5c1-27bccb4cbc46" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherRestructuringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_6a582a89-bd13-4740-b7a4-49f53d8c456c" xlink:to="loc_us-gaap_OtherRestructuringMember_3ec14ef0-60f4-4a8d-a5c1-27bccb4cbc46" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/RESTRUCTURINGScheduleofRestructuringReserveandChangesinBalanceDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#RESTRUCTURINGScheduleofRestructuringReserveandChangesinBalanceDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/RESTRUCTURINGScheduleofRestructuringReserveandChangesinBalanceDetails" xlink:type="extended" id="ib9a0bebf33624340bde95999368c59b4_RESTRUCTURINGScheduleofRestructuringReserveandChangesinBalanceDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_5a29faf9-bdb2-4462-bafd-68d4651d9a7d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveRollForward_4a1f0a3d-6fbe-4602-b926-b1a0ab6a3196" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringReserveRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_5a29faf9-bdb2-4462-bafd-68d4651d9a7d" xlink:to="loc_us-gaap_RestructuringReserveRollForward_4a1f0a3d-6fbe-4602-b926-b1a0ab6a3196" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_RestructuringChargesBeforeAdjustments_6e7b267a-738d-4bf5-83c2-b67829f5d052" xlink:href="coin-20230630.xsd#coin_RestructuringChargesBeforeAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_4a1f0a3d-6fbe-4602-b926-b1a0ab6a3196" xlink:to="loc_coin_RestructuringChargesBeforeAdjustments_6e7b267a-738d-4bf5-83c2-b67829f5d052" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRestructuring_2f788666-2103-46a8-8a86-836bed945e17" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForRestructuring"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_4a1f0a3d-6fbe-4602-b926-b1a0ab6a3196" xlink:to="loc_us-gaap_PaymentsForRestructuring_2f788666-2103-46a8-8a86-836bed945e17" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveAccrualAdjustment1_8a19bb76-f05b-4c9f-9557-5ab443148dfd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringReserveAccrualAdjustment1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_4a1f0a3d-6fbe-4602-b926-b1a0ab6a3196" xlink:to="loc_us-gaap_RestructuringReserveAccrualAdjustment1_8a19bb76-f05b-4c9f-9557-5ab443148dfd" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_cbb2560d-4522-4a57-a062-a30fb5742108" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringReserve"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_4a1f0a3d-6fbe-4602-b926-b1a0ab6a3196" xlink:to="loc_us-gaap_RestructuringReserve_cbb2560d-4522-4a57-a062-a30fb5742108" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_c6ab5a06-7eba-435b-a91e-12632e772a5a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_5a29faf9-bdb2-4462-bafd-68d4651d9a7d" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_c6ab5a06-7eba-435b-a91e-12632e772a5a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_8f801c36-2d38-4b9a-94ac-ac413550b730" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_c6ab5a06-7eba-435b-a91e-12632e772a5a" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_8f801c36-2d38-4b9a-94ac-ac413550b730" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_8f801c36-2d38-4b9a-94ac-ac413550b730_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_8f801c36-2d38-4b9a-94ac-ac413550b730" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_8f801c36-2d38-4b9a-94ac-ac413550b730_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_6128b655-35b6-4f92-a58b-89c2bb20bfbf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_8f801c36-2d38-4b9a-94ac-ac413550b730" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_6128b655-35b6-4f92-a58b-89c2bb20bfbf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeSeveranceMember_cf98a42d-1ced-4be0-816b-1a2fb7ff1ef3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeSeveranceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_6128b655-35b6-4f92-a58b-89c2bb20bfbf" xlink:to="loc_us-gaap_EmployeeSeveranceMember_cf98a42d-1ced-4be0-816b-1a2fb7ff1ef3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherRestructuringMember_a3dc6142-1c3b-47ae-ae9c-c2b12c7b0011" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherRestructuringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_6128b655-35b6-4f92-a58b-89c2bb20bfbf" xlink:to="loc_us-gaap_OtherRestructuringMember_a3dc6142-1c3b-47ae-ae9c-c2b12c7b0011" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/ACQUISITIONSNarrativeDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#ACQUISITIONSNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/ACQUISITIONSNarrativeDetails" xlink:type="extended" id="i71e317f1ffb24379ab1957f3fa61e405_ACQUISITIONSNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_096d451b-f40c-47c6-bb14-adad0dc911f1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherNoncurrentAssets_4e80fb42-1c91-494b-9fa8-8e45364fb10e" xlink:href="coin-20230630.xsd#coin_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherNoncurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_096d451b-f40c-47c6-bb14-adad0dc911f1" xlink:to="loc_coin_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherNoncurrentAssets_4e80fb42-1c91-494b-9fa8-8e45364fb10e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_f2f2d74e-1ead-470e-ac75-b096f60f23df" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GoodwillPurchaseAccountingAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_096d451b-f40c-47c6-bb14-adad0dc911f1" xlink:to="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_f2f2d74e-1ead-470e-ac75-b096f60f23df" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_PaymentsToAcquireBusinessesGrossSubjectToIndemnityHoldback_493edf7f-c55e-47b2-b278-166c66e73b39" xlink:href="coin-20230630.xsd#coin_PaymentsToAcquireBusinessesGrossSubjectToIndemnityHoldback"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_096d451b-f40c-47c6-bb14-adad0dc911f1" xlink:to="loc_coin_PaymentsToAcquireBusinessesGrossSubjectToIndemnityHoldback_493edf7f-c55e-47b2-b278-166c66e73b39" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableNumberOfSharesSubjectToAnIndemnityHoldback_54fa3c47-2515-4d64-be70-8ee680197a35" xlink:href="coin-20230630.xsd#coin_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableNumberOfSharesSubjectToAnIndemnityHoldback"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_096d451b-f40c-47c6-bb14-adad0dc911f1" xlink:to="loc_coin_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableNumberOfSharesSubjectToAnIndemnityHoldback_54fa3c47-2515-4d64-be70-8ee680197a35" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_BusinessAcquisitionEquityInterestIssuedOrIssuableHoldbackReleaseTerm_a53d3e8f-d465-4224-bf00-a3e170b1a4ad" xlink:href="coin-20230630.xsd#coin_BusinessAcquisitionEquityInterestIssuedOrIssuableHoldbackReleaseTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_096d451b-f40c-47c6-bb14-adad0dc911f1" xlink:to="loc_coin_BusinessAcquisitionEquityInterestIssuedOrIssuableHoldbackReleaseTerm_a53d3e8f-d465-4224-bf00-a3e170b1a4ad" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_da22a973-e75d-4a31-b533-025722a71bbd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_096d451b-f40c-47c6-bb14-adad0dc911f1" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_da22a973-e75d-4a31-b533-025722a71bbd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_e3f0b8a0-02f2-4ff5-8eaf-0109b46003da" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_096d451b-f40c-47c6-bb14-adad0dc911f1" xlink:to="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_e3f0b8a0-02f2-4ff5-8eaf-0109b46003da" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_07de2fba-7554-4e36-975f-493d9cdd8dad" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_096d451b-f40c-47c6-bb14-adad0dc911f1" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_07de2fba-7554-4e36-975f-493d9cdd8dad" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_ad5ff42b-bb21-4ad2-ad9e-c0379004fe20" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_07de2fba-7554-4e36-975f-493d9cdd8dad" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_ad5ff42b-bb21-4ad2-ad9e-c0379004fe20" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_ad5ff42b-bb21-4ad2-ad9e-c0379004fe20_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_ad5ff42b-bb21-4ad2-ad9e-c0379004fe20" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_ad5ff42b-bb21-4ad2-ad9e-c0379004fe20_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_6914cd32-fd1d-4abc-aafb-bb98f3f6e02e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_ad5ff42b-bb21-4ad2-ad9e-c0379004fe20" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_6914cd32-fd1d-4abc-aafb-bb98f3f6e02e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_OneRiverDigitalAssetManagementLLCMember_97c578a6-ab99-42d7-b1a1-0b5aa0ff4080" xlink:href="coin-20230630.xsd#coin_OneRiverDigitalAssetManagementLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_6914cd32-fd1d-4abc-aafb-bb98f3f6e02e" xlink:to="loc_coin_OneRiverDigitalAssetManagementLLCMember_97c578a6-ab99-42d7-b1a1-0b5aa0ff4080" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_UnboundSecurityIncMember_55344c78-0a4f-4313-9f2a-19b7274f3f5d" xlink:href="coin-20230630.xsd#coin_UnboundSecurityIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_6914cd32-fd1d-4abc-aafb-bb98f3f6e02e" xlink:to="loc_coin_UnboundSecurityIncMember_55344c78-0a4f-4313-9f2a-19b7274f3f5d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_FairXchangeIncMember_5ff83c63-ec6f-4ea1-bb5c-593bfb6125b2" xlink:href="coin-20230630.xsd#coin_FairXchangeIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_6914cd32-fd1d-4abc-aafb-bb98f3f6e02e" xlink:to="loc_coin_FairXchangeIncMember_5ff83c63-ec6f-4ea1-bb5c-593bfb6125b2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_3a50ca3f-a782-4c49-9b43-4be0ae5e526a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_07de2fba-7554-4e36-975f-493d9cdd8dad" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_3a50ca3f-a782-4c49-9b43-4be0ae5e526a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_3a50ca3f-a782-4c49-9b43-4be0ae5e526a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_3a50ca3f-a782-4c49-9b43-4be0ae5e526a" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_3a50ca3f-a782-4c49-9b43-4be0ae5e526a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_d02341f3-912e-4bc1-a487-7a7540eabc52" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_3a50ca3f-a782-4c49-9b43-4be0ae5e526a" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_d02341f3-912e-4bc1-a487-7a7540eabc52" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_3da69962-825b-468c-b39d-f8cc28b0bbec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeneralAndAdministrativeExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_d02341f3-912e-4bc1-a487-7a7540eabc52" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_3da69962-825b-468c-b39d-f8cc28b0bbec" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_5922767a-fb3d-4846-bd06-1c281a7d252f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityInterestIssuedOrIssuableByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_07de2fba-7554-4e36-975f-493d9cdd8dad" xlink:to="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_5922767a-fb3d-4846-bd06-1c281a7d252f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_5922767a-fb3d-4846-bd06-1c281a7d252f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityInterestIssuedOrIssuableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_5922767a-fb3d-4846-bd06-1c281a7d252f" xlink:to="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_5922767a-fb3d-4846-bd06-1c281a7d252f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_7c627074-ca44-4863-bee5-7241041349f7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityInterestIssuedOrIssuableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_5922767a-fb3d-4846-bd06-1c281a7d252f" xlink:to="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_7c627074-ca44-4863-bee5-7241041349f7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_a874a33b-1e1a-4a02-8d54-53035aecce6c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_7c627074-ca44-4863-bee5-7241041349f7" xlink:to="loc_us-gaap_CommonClassAMember_a874a33b-1e1a-4a02-8d54-53035aecce6c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CommonStockNotSubjectToIndemnityHoldbackMember_dcb0d98e-f2e2-4dd1-9ab8-b86b17ea54aa" xlink:href="coin-20230630.xsd#coin_CommonStockNotSubjectToIndemnityHoldbackMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_7c627074-ca44-4863-bee5-7241041349f7" xlink:to="loc_coin_CommonStockNotSubjectToIndemnityHoldbackMember_dcb0d98e-f2e2-4dd1-9ab8-b86b17ea54aa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_7f51615f-25a8-4314-9054-90aa6a862747" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_07de2fba-7554-4e36-975f-493d9cdd8dad" xlink:to="loc_us-gaap_StatementClassOfStockAxis_7f51615f-25a8-4314-9054-90aa6a862747" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_7f51615f-25a8-4314-9054-90aa6a862747_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_7f51615f-25a8-4314-9054-90aa6a862747" xlink:to="loc_us-gaap_ClassOfStockDomain_7f51615f-25a8-4314-9054-90aa6a862747_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_5c1b2944-2253-49ef-bde6-d28ce57135b2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_7f51615f-25a8-4314-9054-90aa6a862747" xlink:to="loc_us-gaap_ClassOfStockDomain_5c1b2944-2253-49ef-bde6-d28ce57135b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_666e93de-61a5-4831-8df1-65bd7e34bfc5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_5c1b2944-2253-49ef-bde6-d28ce57135b2" xlink:to="loc_us-gaap_CommonClassAMember_666e93de-61a5-4831-8df1-65bd7e34bfc5" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/ACQUISITIONSScheduleofORDAMpurchaseconsiderationDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#ACQUISITIONSScheduleofORDAMpurchaseconsiderationDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/ACQUISITIONSScheduleofORDAMpurchaseconsiderationDetails" xlink:type="extended" id="i5d5467a5ae2a4122829ac0765f12123d_ACQUISITIONSScheduleofORDAMpurchaseconsiderationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_1ae162f7-96a3-4265-91f4-a90920da04e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_a4220d14-57a9-496c-9a03-15ef0d87cad7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1ae162f7-96a3-4265-91f4-a90920da04e0" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_a4220d14-57a9-496c-9a03-15ef0d87cad7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_9a8c476f-c9cb-485a-944d-83128b7a6ee2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1ae162f7-96a3-4265-91f4-a90920da04e0" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_9a8c476f-c9cb-485a-944d-83128b7a6ee2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1_7e79ba20-c873-4d5a-8ac8-033cdc07fc0f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1ae162f7-96a3-4265-91f4-a90920da04e0" xlink:to="loc_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1_7e79ba20-c873-4d5a-8ac8-033cdc07fc0f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_5baf73b0-5454-4e67-877d-fe3b33407ce5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1ae162f7-96a3-4265-91f4-a90920da04e0" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_5baf73b0-5454-4e67-877d-fe3b33407ce5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_2c365495-d0de-4e70-a742-b05a084cc240" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1ae162f7-96a3-4265-91f4-a90920da04e0" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_2c365495-d0de-4e70-a742-b05a084cc240" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_1e0fc969-3245-4513-8826-57ab6df47cb7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1ae162f7-96a3-4265-91f4-a90920da04e0" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_1e0fc969-3245-4513-8826-57ab6df47cb7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_77c0b45e-6775-4923-a215-13679c86e2b3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_1e0fc969-3245-4513-8826-57ab6df47cb7" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_77c0b45e-6775-4923-a215-13679c86e2b3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_77c0b45e-6775-4923-a215-13679c86e2b3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_77c0b45e-6775-4923-a215-13679c86e2b3" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_77c0b45e-6775-4923-a215-13679c86e2b3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_78a9d4cd-6da3-44f8-9429-6e72c7241b42" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_77c0b45e-6775-4923-a215-13679c86e2b3" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_78a9d4cd-6da3-44f8-9429-6e72c7241b42" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_OneRiverDigitalAssetManagementLLCMember_8ee53030-6ae5-40fd-bb7f-557aea68541f" xlink:href="coin-20230630.xsd#coin_OneRiverDigitalAssetManagementLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_78a9d4cd-6da3-44f8-9429-6e72c7241b42" xlink:to="loc_coin_OneRiverDigitalAssetManagementLLCMember_8ee53030-6ae5-40fd-bb7f-557aea68541f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_cf93073a-0719-4fd9-acf2-786aaae9ee32" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityInterestIssuedOrIssuableByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_1e0fc969-3245-4513-8826-57ab6df47cb7" xlink:to="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_cf93073a-0719-4fd9-acf2-786aaae9ee32" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_cf93073a-0719-4fd9-acf2-786aaae9ee32_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityInterestIssuedOrIssuableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_cf93073a-0719-4fd9-acf2-786aaae9ee32" xlink:to="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_cf93073a-0719-4fd9-acf2-786aaae9ee32_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_5f5a1618-fcfc-43ed-8eeb-a368f4cf3d71" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityInterestIssuedOrIssuableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_cf93073a-0719-4fd9-acf2-786aaae9ee32" xlink:to="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_5f5a1618-fcfc-43ed-8eeb-a368f4cf3d71" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_71756802-0a1d-4bb8-9eac-d6830f760bd1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_5f5a1618-fcfc-43ed-8eeb-a368f4cf3d71" xlink:to="loc_us-gaap_CommonClassAMember_71756802-0a1d-4bb8-9eac-d6830f760bd1" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/ACQUISITIONSScheduleofORDAMnetassetsacquiredDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#ACQUISITIONSScheduleofORDAMnetassetsacquiredDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/ACQUISITIONSScheduleofORDAMnetassetsacquiredDetails" xlink:type="extended" id="i6b556329e7a345379193eeed1619b8a6_ACQUISITIONSScheduleofORDAMnetassetsacquiredDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_ab7ef69c-39c2-4eff-9953-919cc0b67bbb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_97955154-f1ba-4f0a-be9e-3cb423516ca2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ab7ef69c-39c2-4eff-9953-919cc0b67bbb" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_97955154-f1ba-4f0a-be9e-3cb423516ca2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_5e56d92c-a40a-43d1-9011-8062991acfe0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ab7ef69c-39c2-4eff-9953-919cc0b67bbb" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_5e56d92c-a40a-43d1-9011-8062991acfe0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_d7d2f402-23ca-4df9-8346-174a42407b34" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ab7ef69c-39c2-4eff-9953-919cc0b67bbb" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_d7d2f402-23ca-4df9-8346-174a42407b34" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_2dc4b271-cfac-4d22-8dbd-723e20492a2a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ab7ef69c-39c2-4eff-9953-919cc0b67bbb" xlink:to="loc_us-gaap_Goodwill_2dc4b271-cfac-4d22-8dbd-723e20492a2a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_cf883901-1c91-414f-97d2-c39fb23b838b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ab7ef69c-39c2-4eff-9953-919cc0b67bbb" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_cf883901-1c91-414f-97d2-c39fb23b838b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_6508dcba-d455-4fa6-a276-c3248edc4fde" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ab7ef69c-39c2-4eff-9953-919cc0b67bbb" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_6508dcba-d455-4fa6-a276-c3248edc4fde" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill_e9aced0e-528a-40ca-8145-3ca4d0580d1d" xlink:href="coin-20230630.xsd#coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ab7ef69c-39c2-4eff-9953-919cc0b67bbb" xlink:to="loc_coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill_e9aced0e-528a-40ca-8145-3ca4d0580d1d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_2d9dff1f-26cc-4cd1-9b73-1ce3ba8563c7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ab7ef69c-39c2-4eff-9953-919cc0b67bbb" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_2d9dff1f-26cc-4cd1-9b73-1ce3ba8563c7" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_a140faed-f144-48d1-8c80-6015614abc0a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ab7ef69c-39c2-4eff-9953-919cc0b67bbb" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_a140faed-f144-48d1-8c80-6015614abc0a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_d48bb83f-b936-4e39-bcd0-642f3433a667" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ab7ef69c-39c2-4eff-9953-919cc0b67bbb" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_d48bb83f-b936-4e39-bcd0-642f3433a667" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6376764a-603a-4060-8410-08e092442aa8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ab7ef69c-39c2-4eff-9953-919cc0b67bbb" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6376764a-603a-4060-8410-08e092442aa8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_a4fc6ce6-92d2-41ed-aada-2d7404b98d92" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6376764a-603a-4060-8410-08e092442aa8" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_a4fc6ce6-92d2-41ed-aada-2d7404b98d92" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_a4fc6ce6-92d2-41ed-aada-2d7404b98d92_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_a4fc6ce6-92d2-41ed-aada-2d7404b98d92" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_a4fc6ce6-92d2-41ed-aada-2d7404b98d92_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_11745fa1-b790-4e41-8dd4-5cb2d11da88f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_a4fc6ce6-92d2-41ed-aada-2d7404b98d92" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_11745fa1-b790-4e41-8dd4-5cb2d11da88f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_OneRiverDigitalAssetManagementLLCMember_487e116e-f6c3-47ff-93df-cdcb75a4e4cc" xlink:href="coin-20230630.xsd#coin_OneRiverDigitalAssetManagementLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_11745fa1-b790-4e41-8dd4-5cb2d11da88f" xlink:to="loc_coin_OneRiverDigitalAssetManagementLLCMember_487e116e-f6c3-47ff-93df-cdcb75a4e4cc" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/ACQUISITIONSScheduleofORDAMfinitelivedintangibleassetsacquiredDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#ACQUISITIONSScheduleofORDAMfinitelivedintangibleassetsacquiredDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/ACQUISITIONSScheduleofORDAMfinitelivedintangibleassetsacquiredDetails" xlink:type="extended" id="i13b2a05bad734024bd5d3fc51ac38ad2_ACQUISITIONSScheduleofORDAMfinitelivedintangibleassetsacquiredDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_49392ee6-29b0-48a9-af33-d397dac88d93" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_d00d2bac-98ba-4107-b22f-47c2607a553b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_49392ee6-29b0-48a9-af33-d397dac88d93" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_d00d2bac-98ba-4107-b22f-47c2607a553b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_0a257d14-15d3-4656-ad05-195a3b3d2ca1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_49392ee6-29b0-48a9-af33-d397dac88d93" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_0a257d14-15d3-4656-ad05-195a3b3d2ca1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_65f5cd12-9097-44e3-9763-cababb4745d2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_49392ee6-29b0-48a9-af33-d397dac88d93" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_65f5cd12-9097-44e3-9763-cababb4745d2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_2ccc1f80-7748-4466-9ffb-a37463c628ea" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_65f5cd12-9097-44e3-9763-cababb4745d2" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_2ccc1f80-7748-4466-9ffb-a37463c628ea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_2ccc1f80-7748-4466-9ffb-a37463c628ea_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_2ccc1f80-7748-4466-9ffb-a37463c628ea" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_2ccc1f80-7748-4466-9ffb-a37463c628ea_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_ff2ebd5e-a9e4-437b-bec5-62ea2135002a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_2ccc1f80-7748-4466-9ffb-a37463c628ea" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_ff2ebd5e-a9e4-437b-bec5-62ea2135002a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_OneRiverDigitalAssetManagementLLCMember_461039f7-7d73-4032-b857-f50ec713dc8f" xlink:href="coin-20230630.xsd#coin_OneRiverDigitalAssetManagementLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_ff2ebd5e-a9e4-437b-bec5-62ea2135002a" xlink:to="loc_coin_OneRiverDigitalAssetManagementLLCMember_461039f7-7d73-4032-b857-f50ec713dc8f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_cb3dadc1-c265-40bd-916f-20636f452c43" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_65f5cd12-9097-44e3-9763-cababb4745d2" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_cb3dadc1-c265-40bd-916f-20636f452c43" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_cb3dadc1-c265-40bd-916f-20636f452c43_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_cb3dadc1-c265-40bd-916f-20636f452c43" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_cb3dadc1-c265-40bd-916f-20636f452c43_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_5f6870d9-ea6f-4db0-adb1-cff1dfc8bf27" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_cb3dadc1-c265-40bd-916f-20636f452c43" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_5f6870d9-ea6f-4db0-adb1-cff1dfc8bf27" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_c3c5c789-1553-4e2d-8d01-f0edb7a989ab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_5f6870d9-ea6f-4db0-adb1-cff1dfc8bf27" xlink:to="loc_us-gaap_CustomerRelationshipsMember_c3c5c789-1553-4e2d-8d01-f0edb7a989ab" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_35d57813-b257-4489-a6a0-bbf8512a881c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_65f5cd12-9097-44e3-9763-cababb4745d2" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_35d57813-b257-4489-a6a0-bbf8512a881c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_35d57813-b257-4489-a6a0-bbf8512a881c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_35d57813-b257-4489-a6a0-bbf8512a881c" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_35d57813-b257-4489-a6a0-bbf8512a881c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_bfb8a80d-1c4c-4b62-9b96-813de4565d3f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_35d57813-b257-4489-a6a0-bbf8512a881c" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_bfb8a80d-1c4c-4b62-9b96-813de4565d3f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LicenseMember_9e5c45cd-8134-4b4d-be32-6f1f5df09527" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LicenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_bfb8a80d-1c4c-4b62-9b96-813de4565d3f" xlink:to="loc_us-gaap_LicenseMember_9e5c45cd-8134-4b4d-be32-6f1f5df09527" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InProcessResearchAndDevelopmentMember_1239acf2-d945-4091-8e9e-bc630d816817" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InProcessResearchAndDevelopmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_bfb8a80d-1c4c-4b62-9b96-813de4565d3f" xlink:to="loc_us-gaap_InProcessResearchAndDevelopmentMember_1239acf2-d945-4091-8e9e-bc630d816817" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/ACQUISITIONSScheduleofUnboundpurchaseconsiderationDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#ACQUISITIONSScheduleofUnboundpurchaseconsiderationDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/ACQUISITIONSScheduleofUnboundpurchaseconsiderationDetails" xlink:type="extended" id="i2d1fadfa7cd54c0abf55638fa8767291_ACQUISITIONSScheduleofUnboundpurchaseconsiderationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_74226ff2-91ed-4b22-a9ba-de182c3f845f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_9614319c-9f90-448d-856e-65a27d0ab398" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_74226ff2-91ed-4b22-a9ba-de182c3f845f" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_9614319c-9f90-448d-856e-65a27d0ab398" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_f07814b9-180e-471b-b7ba-8c257a138f24" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_74226ff2-91ed-4b22-a9ba-de182c3f845f" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_f07814b9-180e-471b-b7ba-8c257a138f24" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_8eab3888-b1ed-410e-9aec-66bcaa1eb551" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_74226ff2-91ed-4b22-a9ba-de182c3f845f" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_8eab3888-b1ed-410e-9aec-66bcaa1eb551" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredIncludingEquityInterestInAcquireeHeldPriorToCombination1_77760a3e-21ff-4ff2-9be7-df2af0e2cd8a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationConsiderationTransferredIncludingEquityInterestInAcquireeHeldPriorToCombination1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_74226ff2-91ed-4b22-a9ba-de182c3f845f" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredIncludingEquityInterestInAcquireeHeldPriorToCombination1_77760a3e-21ff-4ff2-9be7-df2af0e2cd8a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_04067f7d-47cf-4bbb-ae2b-088f801db227" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_74226ff2-91ed-4b22-a9ba-de182c3f845f" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_04067f7d-47cf-4bbb-ae2b-088f801db227" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_0f399081-aaa4-4c8c-81fa-cf62c071b913" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_04067f7d-47cf-4bbb-ae2b-088f801db227" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_0f399081-aaa4-4c8c-81fa-cf62c071b913" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0f399081-aaa4-4c8c-81fa-cf62c071b913_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_0f399081-aaa4-4c8c-81fa-cf62c071b913" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0f399081-aaa4-4c8c-81fa-cf62c071b913_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_b421c573-13e8-4ddf-871f-52838ff262ac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_0f399081-aaa4-4c8c-81fa-cf62c071b913" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_b421c573-13e8-4ddf-871f-52838ff262ac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_UnboundSecurityIncMember_f8c15724-a722-4cb0-ac3a-1dda0498edd5" xlink:href="coin-20230630.xsd#coin_UnboundSecurityIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_b421c573-13e8-4ddf-871f-52838ff262ac" xlink:to="loc_coin_UnboundSecurityIncMember_f8c15724-a722-4cb0-ac3a-1dda0498edd5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_aada71a6-1525-488c-b20a-f25fb1a0c13e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityInterestIssuedOrIssuableByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_04067f7d-47cf-4bbb-ae2b-088f801db227" xlink:to="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_aada71a6-1525-488c-b20a-f25fb1a0c13e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_aada71a6-1525-488c-b20a-f25fb1a0c13e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityInterestIssuedOrIssuableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_aada71a6-1525-488c-b20a-f25fb1a0c13e" xlink:to="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_aada71a6-1525-488c-b20a-f25fb1a0c13e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_19b8fed3-c9f6-40fb-b776-8fabf6c1927b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityInterestIssuedOrIssuableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_aada71a6-1525-488c-b20a-f25fb1a0c13e" xlink:to="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_19b8fed3-c9f6-40fb-b776-8fabf6c1927b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_b136e249-87ba-4d5c-bd60-6432cb714db9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_19b8fed3-c9f6-40fb-b776-8fabf6c1927b" xlink:to="loc_us-gaap_CommonClassAMember_b136e249-87ba-4d5c-bd60-6432cb714db9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_3139008a-0f89-4a09-aeb8-57783126ea7a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_19b8fed3-c9f6-40fb-b776-8fabf6c1927b" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_3139008a-0f89-4a09-aeb8-57783126ea7a" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/ACQUISITIONSScheduleofUnboundnetassetsacquiredDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#ACQUISITIONSScheduleofUnboundnetassetsacquiredDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/ACQUISITIONSScheduleofUnboundnetassetsacquiredDetails" xlink:type="extended" id="ib49015d4bb454605989e09533947e181_ACQUISITIONSScheduleofUnboundnetassetsacquiredDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_1b23e991-d683-4a3d-bc56-1505f2b71f47" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_1b23e991-d683-4a3d-bc56-1505f2b71f47" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCash_65317537-525d-49a4-a450-9fb01273fcf8" xlink:href="coin-20230630.xsd#coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:to="loc_coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCash_65317537-525d-49a4-a450-9fb01273fcf8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_5d4333e8-5747-4bc6-a34e-903f8680a75f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_5d4333e8-5747-4bc6-a34e-903f8680a75f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_ccf77e98-f8a0-4046-bba5-72069dad7831" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_ccf77e98-f8a0-4046-bba5-72069dad7831" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseRightOfUseAssets_1fa18603-73d8-428f-9609-5395e21fd907" xlink:href="coin-20230630.xsd#coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseRightOfUseAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:to="loc_coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseRightOfUseAssets_1fa18603-73d8-428f-9609-5395e21fd907" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_28f189a5-8726-46c8-a705-a9d957fa5fa5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_28f189a5-8726-46c8-a705-a9d957fa5fa5" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_bc0e6c8b-6f50-435d-8312-c8ee6333eb42" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:to="loc_us-gaap_Goodwill_bc0e6c8b-6f50-435d-8312-c8ee6333eb42" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_6cc9164c-442d-4d63-8a3d-0db70cb0251e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_6cc9164c-442d-4d63-8a3d-0db70cb0251e" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_e772fc9d-e6ac-45ca-9c59-1201ab5d2e6b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_e772fc9d-e6ac-45ca-9c59-1201ab5d2e6b" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill_bce07ef6-efc1-4385-b48e-09e43f2678e4" xlink:href="coin-20230630.xsd#coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:to="loc_coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill_bce07ef6-efc1-4385-b48e-09e43f2678e4" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_d43d93e1-a78c-4ac9-bbbe-6c672e1d7879" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_d43d93e1-a78c-4ac9-bbbe-6c672e1d7879" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpensesAndOtherCurrentLiabilities_2fd7e36d-e418-45f3-a8c7-e6fecf7101c1" xlink:href="coin-20230630.xsd#coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpensesAndOtherCurrentLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:to="loc_coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpensesAndOtherCurrentLiabilities_2fd7e36d-e418-45f3-a8c7-e6fecf7101c1" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation_cc5e039d-c649-4921-809b-6f41945c59ca" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation_cc5e039d-c649-4921-809b-6f41945c59ca" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_49956f46-8d11-4f74-a5d7-2a9487127d70" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_49956f46-8d11-4f74-a5d7-2a9487127d70" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_d4104b38-b19b-40cf-9ea7-3818cb8d47ff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_d4104b38-b19b-40cf-9ea7-3818cb8d47ff" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_fcddd896-d84d-42ba-9a8a-a52aca4a2cca" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_fcddd896-d84d-42ba-9a8a-a52aca4a2cca" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_77521173-3689-487a-81fc-a0280fefca25" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_59c0b73e-8875-463d-81a4-42d2e041e364" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_77521173-3689-487a-81fc-a0280fefca25" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_671b87f8-d34c-427e-a43b-bd8005afbf56" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_77521173-3689-487a-81fc-a0280fefca25" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_671b87f8-d34c-427e-a43b-bd8005afbf56" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_671b87f8-d34c-427e-a43b-bd8005afbf56_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_671b87f8-d34c-427e-a43b-bd8005afbf56" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_671b87f8-d34c-427e-a43b-bd8005afbf56_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_b9bcf7ce-8697-47c3-89be-63446d8885a2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_671b87f8-d34c-427e-a43b-bd8005afbf56" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_b9bcf7ce-8697-47c3-89be-63446d8885a2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_UnboundSecurityIncMember_18cefff8-00d3-4025-b38f-1ac86b4ead6c" xlink:href="coin-20230630.xsd#coin_UnboundSecurityIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_b9bcf7ce-8697-47c3-89be-63446d8885a2" xlink:to="loc_coin_UnboundSecurityIncMember_18cefff8-00d3-4025-b38f-1ac86b4ead6c" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/ACQUISITIONSScheduleofUnboundfinitelivedintangibleassetsacquiredDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#ACQUISITIONSScheduleofUnboundfinitelivedintangibleassetsacquiredDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/ACQUISITIONSScheduleofUnboundfinitelivedintangibleassetsacquiredDetails" xlink:type="extended" id="i7014bda3f1b74146a4e71423833461ba_ACQUISITIONSScheduleofUnboundfinitelivedintangibleassetsacquiredDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_34aa4056-0edd-4350-898e-bb67a0883c71" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_f8d78fe6-fa77-48ae-a840-b71cb5492673" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_34aa4056-0edd-4350-898e-bb67a0883c71" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_f8d78fe6-fa77-48ae-a840-b71cb5492673" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_d023893e-687a-4d6b-9f6d-25740629516b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_34aa4056-0edd-4350-898e-bb67a0883c71" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_d023893e-687a-4d6b-9f6d-25740629516b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_f13f283d-12e2-493e-8421-54ebe9f63632" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_34aa4056-0edd-4350-898e-bb67a0883c71" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_f13f283d-12e2-493e-8421-54ebe9f63632" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_808bc554-3bb1-426f-a98b-fc9ac1cfa86a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_f13f283d-12e2-493e-8421-54ebe9f63632" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_808bc554-3bb1-426f-a98b-fc9ac1cfa86a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_808bc554-3bb1-426f-a98b-fc9ac1cfa86a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_808bc554-3bb1-426f-a98b-fc9ac1cfa86a" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_808bc554-3bb1-426f-a98b-fc9ac1cfa86a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_97786002-5080-4d9b-a279-cdd032bb1d69" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_808bc554-3bb1-426f-a98b-fc9ac1cfa86a" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_97786002-5080-4d9b-a279-cdd032bb1d69" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_UnboundSecurityIncMember_f9d09768-2bfd-432d-9c11-2b9874e57a00" xlink:href="coin-20230630.xsd#coin_UnboundSecurityIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_97786002-5080-4d9b-a279-cdd032bb1d69" xlink:to="loc_coin_UnboundSecurityIncMember_f9d09768-2bfd-432d-9c11-2b9874e57a00" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_d6c1c82b-3dfc-4968-a168-3f3188558c24" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_f13f283d-12e2-493e-8421-54ebe9f63632" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_d6c1c82b-3dfc-4968-a168-3f3188558c24" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_d6c1c82b-3dfc-4968-a168-3f3188558c24_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_d6c1c82b-3dfc-4968-a168-3f3188558c24" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_d6c1c82b-3dfc-4968-a168-3f3188558c24_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8744c68e-41dc-4cb8-8dbc-62fb512d766d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_d6c1c82b-3dfc-4968-a168-3f3188558c24" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8744c68e-41dc-4cb8-8dbc-62fb512d766d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_6143d299-9f5a-49ce-9b9e-f9e990392e3a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8744c68e-41dc-4cb8-8dbc-62fb512d766d" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_6143d299-9f5a-49ce-9b9e-f9e990392e3a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InProcessResearchAndDevelopmentMember_0522f46d-a807-4275-9374-b76550bb6f33" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InProcessResearchAndDevelopmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8744c68e-41dc-4cb8-8dbc-62fb512d766d" xlink:to="loc_us-gaap_InProcessResearchAndDevelopmentMember_0522f46d-a807-4275-9374-b76550bb6f33" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_a8d24390-dd9b-4da4-9154-dad949525530" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8744c68e-41dc-4cb8-8dbc-62fb512d766d" xlink:to="loc_us-gaap_CustomerRelationshipsMember_a8d24390-dd9b-4da4-9154-dad949525530" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_1c43bbe8-ca35-42b8-9cff-df117941db7c" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_f13f283d-12e2-493e-8421-54ebe9f63632" xlink:to="loc_srt_RangeAxis_1c43bbe8-ca35-42b8-9cff-df117941db7c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_1c43bbe8-ca35-42b8-9cff-df117941db7c_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_1c43bbe8-ca35-42b8-9cff-df117941db7c" xlink:to="loc_srt_RangeMember_1c43bbe8-ca35-42b8-9cff-df117941db7c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_755739cf-1db8-43de-80b8-ec9d5beb6a4d" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_1c43bbe8-ca35-42b8-9cff-df117941db7c" xlink:to="loc_srt_RangeMember_755739cf-1db8-43de-80b8-ec9d5beb6a4d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_8b0da160-13dd-4b66-84b4-de5b4190259f" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_755739cf-1db8-43de-80b8-ec9d5beb6a4d" xlink:to="loc_srt_MinimumMember_8b0da160-13dd-4b66-84b4-de5b4190259f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_50aaff46-a394-4867-80ed-85585805fc9c" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_755739cf-1db8-43de-80b8-ec9d5beb6a4d" xlink:to="loc_srt_MaximumMember_50aaff46-a394-4867-80ed-85585805fc9c" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/ACQUISITIONSScheduleofFairXchangepurchaseconsiderationDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#ACQUISITIONSScheduleofFairXchangepurchaseconsiderationDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/ACQUISITIONSScheduleofFairXchangepurchaseconsiderationDetails" xlink:type="extended" id="id5f4579636af4737ab98da5e676a0611_ACQUISITIONSScheduleofFairXchangepurchaseconsiderationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_895d5a40-4c1c-4fbd-91cc-14ae1b8c215b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_474f388b-492b-4fd5-821b-6bbc27c96f96" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_895d5a40-4c1c-4fbd-91cc-14ae1b8c215b" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_474f388b-492b-4fd5-821b-6bbc27c96f96" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_4e0425e6-71b4-4de8-997c-d3de9f1110fa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_895d5a40-4c1c-4fbd-91cc-14ae1b8c215b" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_4e0425e6-71b4-4de8-997c-d3de9f1110fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_12623799-e257-438c-9e65-fb8c1f62e6ef" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_895d5a40-4c1c-4fbd-91cc-14ae1b8c215b" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_12623799-e257-438c-9e65-fb8c1f62e6ef" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredIncludingEquityInterestInAcquireeHeldPriorToCombination1_2a23216e-db01-4ad6-8417-9cf303c5792d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationConsiderationTransferredIncludingEquityInterestInAcquireeHeldPriorToCombination1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_895d5a40-4c1c-4fbd-91cc-14ae1b8c215b" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredIncludingEquityInterestInAcquireeHeldPriorToCombination1_2a23216e-db01-4ad6-8417-9cf303c5792d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_edd0e976-d720-4992-a380-44c1389505a4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_895d5a40-4c1c-4fbd-91cc-14ae1b8c215b" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_edd0e976-d720-4992-a380-44c1389505a4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_507658f0-eb81-4ebe-96b5-a16abcbc1b1a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_edd0e976-d720-4992-a380-44c1389505a4" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_507658f0-eb81-4ebe-96b5-a16abcbc1b1a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_507658f0-eb81-4ebe-96b5-a16abcbc1b1a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_507658f0-eb81-4ebe-96b5-a16abcbc1b1a" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_507658f0-eb81-4ebe-96b5-a16abcbc1b1a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_29a25806-9f6a-480d-af0a-1bcdf59485f8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_507658f0-eb81-4ebe-96b5-a16abcbc1b1a" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_29a25806-9f6a-480d-af0a-1bcdf59485f8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_FairXchangeIncMember_bde2c8fe-e804-433a-8f29-54e470af45cb" xlink:href="coin-20230630.xsd#coin_FairXchangeIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_29a25806-9f6a-480d-af0a-1bcdf59485f8" xlink:to="loc_coin_FairXchangeIncMember_bde2c8fe-e804-433a-8f29-54e470af45cb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_1d41fe01-a3fc-4898-98b0-811e951c3335" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityInterestIssuedOrIssuableByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_edd0e976-d720-4992-a380-44c1389505a4" xlink:to="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_1d41fe01-a3fc-4898-98b0-811e951c3335" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_1d41fe01-a3fc-4898-98b0-811e951c3335_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityInterestIssuedOrIssuableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_1d41fe01-a3fc-4898-98b0-811e951c3335" xlink:to="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_1d41fe01-a3fc-4898-98b0-811e951c3335_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_4ca0c3c4-8851-426c-9025-a2e852e4f1bb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityInterestIssuedOrIssuableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis_1d41fe01-a3fc-4898-98b0-811e951c3335" xlink:to="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_4ca0c3c4-8851-426c-9025-a2e852e4f1bb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CommonStockIssuedMember_292a1896-8242-474b-b5f4-be1d64ce129c" xlink:href="coin-20230630.xsd#coin_CommonStockIssuedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_4ca0c3c4-8851-426c-9025-a2e852e4f1bb" xlink:to="loc_coin_CommonStockIssuedMember_292a1896-8242-474b-b5f4-be1d64ce129c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CommonStockToBeIssuedMember_3c825336-add5-4fc3-ba03-dff419e3ee47" xlink:href="coin-20230630.xsd#coin_CommonStockToBeIssuedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain_4ca0c3c4-8851-426c-9025-a2e852e4f1bb" xlink:to="loc_coin_CommonStockToBeIssuedMember_3c825336-add5-4fc3-ba03-dff419e3ee47" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_64bad364-75f7-4557-aa8c-5373c41faf5c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_edd0e976-d720-4992-a380-44c1389505a4" xlink:to="loc_us-gaap_StatementClassOfStockAxis_64bad364-75f7-4557-aa8c-5373c41faf5c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_64bad364-75f7-4557-aa8c-5373c41faf5c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_64bad364-75f7-4557-aa8c-5373c41faf5c" xlink:to="loc_us-gaap_ClassOfStockDomain_64bad364-75f7-4557-aa8c-5373c41faf5c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_bd99ef47-7a8b-49ee-969e-03117335576f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_64bad364-75f7-4557-aa8c-5373c41faf5c" xlink:to="loc_us-gaap_ClassOfStockDomain_bd99ef47-7a8b-49ee-969e-03117335576f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_b8e7b179-4ced-4a5a-a093-6f55fe483170" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_bd99ef47-7a8b-49ee-969e-03117335576f" xlink:to="loc_us-gaap_CommonClassAMember_b8e7b179-4ced-4a5a-a093-6f55fe483170" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/ACQUISITIONSScheduleofFairXchangenetassetsacquiredDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#ACQUISITIONSScheduleofFairXchangenetassetsacquiredDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/ACQUISITIONSScheduleofFairXchangenetassetsacquiredDetails" xlink:type="extended" id="i346e7f3b370b4615b6e72d0c530804a4_ACQUISITIONSScheduleofFairXchangenetassetsacquiredDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_5af022a5-496e-439c-b48f-7ad85403e56c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_4948583d-22f3-4164-b0f1-0a398b2bffbf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_5af022a5-496e-439c-b48f-7ad85403e56c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_4948583d-22f3-4164-b0f1-0a398b2bffbf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_1808888e-faf2-4c4f-8f57-2a8bfe7aeae4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_5af022a5-496e-439c-b48f-7ad85403e56c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_1808888e-faf2-4c4f-8f57-2a8bfe7aeae4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_570c9a16-ae17-4577-9678-d89d05ea27d1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_5af022a5-496e-439c-b48f-7ad85403e56c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_570c9a16-ae17-4577-9678-d89d05ea27d1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_04649077-f668-4ee6-a6a7-509d30d39a8d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_5af022a5-496e-439c-b48f-7ad85403e56c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_04649077-f668-4ee6-a6a7-509d30d39a8d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_64c617bb-662b-4268-a46f-c43e53d21af7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_5af022a5-496e-439c-b48f-7ad85403e56c" xlink:to="loc_us-gaap_Goodwill_64c617bb-662b-4268-a46f-c43e53d21af7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_05ffa2bc-c658-436d-b3f3-4a363370e5e5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_5af022a5-496e-439c-b48f-7ad85403e56c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_05ffa2bc-c658-436d-b3f3-4a363370e5e5" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill_439b7aa0-2f44-4c7a-8503-812f107145d3" xlink:href="coin-20230630.xsd#coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_5af022a5-496e-439c-b48f-7ad85403e56c" xlink:to="loc_coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill_439b7aa0-2f44-4c7a-8503-812f107145d3" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_c8fa867f-6e76-47a2-850b-33b571dbf33c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_5af022a5-496e-439c-b48f-7ad85403e56c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_c8fa867f-6e76-47a2-850b-33b571dbf33c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpensesAndOtherCurrentLiabilities_2a6d3a53-1b23-4309-b459-0ab8b0dcf1b5" xlink:href="coin-20230630.xsd#coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpensesAndOtherCurrentLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_5af022a5-496e-439c-b48f-7ad85403e56c" xlink:to="loc_coin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpensesAndOtherCurrentLiabilities_2a6d3a53-1b23-4309-b459-0ab8b0dcf1b5" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_872c694b-f6bf-47c0-8582-f3d52c13e461" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_5af022a5-496e-439c-b48f-7ad85403e56c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_872c694b-f6bf-47c0-8582-f3d52c13e461" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_0d088454-73d2-42e1-8bec-5e54c15c693b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_5af022a5-496e-439c-b48f-7ad85403e56c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_0d088454-73d2-42e1-8bec-5e54c15c693b" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_5e565112-67af-47a9-b6c3-91cff236bf56" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_5af022a5-496e-439c-b48f-7ad85403e56c" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_5e565112-67af-47a9-b6c3-91cff236bf56" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_acaafa1d-d4e2-4a7e-af33-d80754f1b3b2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_5af022a5-496e-439c-b48f-7ad85403e56c" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_acaafa1d-d4e2-4a7e-af33-d80754f1b3b2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_ee84cda6-fedb-4761-8d12-03471c875aa8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_acaafa1d-d4e2-4a7e-af33-d80754f1b3b2" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_ee84cda6-fedb-4761-8d12-03471c875aa8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_ee84cda6-fedb-4761-8d12-03471c875aa8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_ee84cda6-fedb-4761-8d12-03471c875aa8" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_ee84cda6-fedb-4761-8d12-03471c875aa8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_ea452fd2-e03e-4c51-931e-421b1731c9cc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_ee84cda6-fedb-4761-8d12-03471c875aa8" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_ea452fd2-e03e-4c51-931e-421b1731c9cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_FairXchangeIncMember_778e5ffd-8293-426a-bcde-11aa5773ac6c" xlink:href="coin-20230630.xsd#coin_FairXchangeIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_ea452fd2-e03e-4c51-931e-421b1731c9cc" xlink:to="loc_coin_FairXchangeIncMember_778e5ffd-8293-426a-bcde-11aa5773ac6c" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/ACQUISITIONSScheduleofFairXchangefinitelivedintangibleassetsacquiredDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#ACQUISITIONSScheduleofFairXchangefinitelivedintangibleassetsacquiredDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/ACQUISITIONSScheduleofFairXchangefinitelivedintangibleassetsacquiredDetails" xlink:type="extended" id="iba17f510ac7e46f69b59e06b836de2d6_ACQUISITIONSScheduleofFairXchangefinitelivedintangibleassetsacquiredDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_b0190ff2-3c82-48b4-9356-a58e55dcf48b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_c032a85f-651c-474a-9b47-615bb50cc523" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_b0190ff2-3c82-48b4-9356-a58e55dcf48b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_c032a85f-651c-474a-9b47-615bb50cc523" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_c7fb030d-b776-4e3c-8a76-fd1e830b703b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_b0190ff2-3c82-48b4-9356-a58e55dcf48b" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_c7fb030d-b776-4e3c-8a76-fd1e830b703b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_ee8c8d0b-4b44-45e6-a32e-d2b3c1ce3a77" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_b0190ff2-3c82-48b4-9356-a58e55dcf48b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_ee8c8d0b-4b44-45e6-a32e-d2b3c1ce3a77" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_c0d8d275-6314-4cc6-96fe-9b28e22d82fd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_ee8c8d0b-4b44-45e6-a32e-d2b3c1ce3a77" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_c0d8d275-6314-4cc6-96fe-9b28e22d82fd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_c0d8d275-6314-4cc6-96fe-9b28e22d82fd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_c0d8d275-6314-4cc6-96fe-9b28e22d82fd" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_c0d8d275-6314-4cc6-96fe-9b28e22d82fd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_002c9582-a83e-4bad-a507-50e7ddec127a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_c0d8d275-6314-4cc6-96fe-9b28e22d82fd" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_002c9582-a83e-4bad-a507-50e7ddec127a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_FairXchangeIncMember_1a105871-5d40-483d-9997-37cce4dfc607" xlink:href="coin-20230630.xsd#coin_FairXchangeIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_002c9582-a83e-4bad-a507-50e7ddec127a" xlink:to="loc_coin_FairXchangeIncMember_1a105871-5d40-483d-9997-37cce4dfc607" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_8906a52a-25e6-4f51-80ea-6f0cb325ba7e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_ee8c8d0b-4b44-45e6-a32e-d2b3c1ce3a77" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_8906a52a-25e6-4f51-80ea-6f0cb325ba7e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8906a52a-25e6-4f51-80ea-6f0cb325ba7e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_8906a52a-25e6-4f51-80ea-6f0cb325ba7e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8906a52a-25e6-4f51-80ea-6f0cb325ba7e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e0a9abc0-f477-4b4f-a5c0-e33dd9c1209c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_8906a52a-25e6-4f51-80ea-6f0cb325ba7e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e0a9abc0-f477-4b4f-a5c0-e33dd9c1209c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_9551fe60-64fc-4cba-acbe-bbeeb78d76ac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e0a9abc0-f477-4b4f-a5c0-e33dd9c1209c" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_9551fe60-64fc-4cba-acbe-bbeeb78d76ac" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_TradingRelationshipsMember_b186503e-c69d-4968-964f-f779e892730d" xlink:href="coin-20230630.xsd#coin_TradingRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e0a9abc0-f477-4b4f-a5c0-e33dd9c1209c" xlink:to="loc_coin_TradingRelationshipsMember_b186503e-c69d-4968-964f-f779e892730d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_9d4f172a-070d-4d45-8b01-882675abce31" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_ee8c8d0b-4b44-45e6-a32e-d2b3c1ce3a77" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_9d4f172a-070d-4d45-8b01-882675abce31" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_9d4f172a-070d-4d45-8b01-882675abce31_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_9d4f172a-070d-4d45-8b01-882675abce31" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_9d4f172a-070d-4d45-8b01-882675abce31_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_a3439550-7c14-47fa-bf9a-48b700907261" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_9d4f172a-070d-4d45-8b01-882675abce31" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_a3439550-7c14-47fa-bf9a-48b700907261" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LicensingAgreementsMember_95fed53d-99a9-4c4f-a489-1b161a4cf1d8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LicensingAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_a3439550-7c14-47fa-bf9a-48b700907261" xlink:to="loc_us-gaap_LicensingAgreementsMember_95fed53d-99a9-4c4f-a489-1b161a4cf1d8" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/REVENUEScheduleofrevenuedisaggregatedbysourceDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#REVENUEScheduleofrevenuedisaggregatedbysourceDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/REVENUEScheduleofrevenuedisaggregatedbysourceDetails" xlink:type="extended" id="ic8b8ee723fc24ab896e870ab77fb1956_REVENUEScheduleofrevenuedisaggregatedbysourceDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_a96c3bd4-8283-4f20-9395-ebf7ea284696" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_e8e4c344-ca1a-4035-b65c-fea6df0c2f8a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_a96c3bd4-8283-4f20-9395-ebf7ea284696" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_e8e4c344-ca1a-4035-b65c-fea6df0c2f8a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeOperating_158274ce-7dee-48b0-9651-70d36dc6c382" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestIncomeOperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_a96c3bd4-8283-4f20-9395-ebf7ea284696" xlink:to="loc_us-gaap_InterestIncomeOperating_158274ce-7dee-48b0-9651-70d36dc6c382" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndOtherIncome_77d47d0a-53a9-4731-b5e3-d0a4a2cb08bc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestAndOtherIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_a96c3bd4-8283-4f20-9395-ebf7ea284696" xlink:to="loc_us-gaap_InterestAndOtherIncome_77d47d0a-53a9-4731-b5e3-d0a4a2cb08bc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_993648d0-e278-4046-8dd4-019fb2c62337" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_a96c3bd4-8283-4f20-9395-ebf7ea284696" xlink:to="loc_us-gaap_Revenues_993648d0-e278-4046-8dd4-019fb2c62337" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_e90c3a2f-b039-43a0-a38f-16f47201d7ff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_a96c3bd4-8283-4f20-9395-ebf7ea284696" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_e90c3a2f-b039-43a0-a38f-16f47201d7ff" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_df1b9f8f-b2d9-4db3-9a4a-1e6d63909f68" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_e90c3a2f-b039-43a0-a38f-16f47201d7ff" xlink:to="loc_srt_ProductOrServiceAxis_df1b9f8f-b2d9-4db3-9a4a-1e6d63909f68" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_df1b9f8f-b2d9-4db3-9a4a-1e6d63909f68_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_df1b9f8f-b2d9-4db3-9a4a-1e6d63909f68" xlink:to="loc_srt_ProductsAndServicesDomain_df1b9f8f-b2d9-4db3-9a4a-1e6d63909f68_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_56c75c1f-d7f2-4d63-962f-1ec6bb11e188" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_df1b9f8f-b2d9-4db3-9a4a-1e6d63909f68" xlink:to="loc_srt_ProductsAndServicesDomain_56c75c1f-d7f2-4d63-962f-1ec6bb11e188" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_BankServicingAndSubscriptionAndCirculationMember_978517c8-cb5d-4dfd-95fd-b0aa54775022" xlink:href="coin-20230630.xsd#coin_BankServicingAndSubscriptionAndCirculationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_56c75c1f-d7f2-4d63-962f-1ec6bb11e188" xlink:to="loc_coin_BankServicingAndSubscriptionAndCirculationMember_978517c8-cb5d-4dfd-95fd-b0aa54775022" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BankServicingMember_f20d9466-08fd-42f6-8957-42ee6f836e54" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BankServicingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_coin_BankServicingAndSubscriptionAndCirculationMember_978517c8-cb5d-4dfd-95fd-b0aa54775022" xlink:to="loc_us-gaap_BankServicingMember_f20d9466-08fd-42f6-8957-42ee6f836e54" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_BankServicingConsumerNetMember_490b2505-bd57-45ad-b8ea-cd0d9704d0a3" xlink:href="coin-20230630.xsd#coin_BankServicingConsumerNetMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BankServicingMember_f20d9466-08fd-42f6-8957-42ee6f836e54" xlink:to="loc_coin_BankServicingConsumerNetMember_490b2505-bd57-45ad-b8ea-cd0d9704d0a3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_BankServicingInstitutionalMember_f0b4a43b-fd2d-4aed-acf5-6d52258aed6c" xlink:href="coin-20230630.xsd#coin_BankServicingInstitutionalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BankServicingMember_f20d9466-08fd-42f6-8957-42ee6f836e54" xlink:to="loc_coin_BankServicingInstitutionalMember_f0b4a43b-fd2d-4aed-acf5-6d52258aed6c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubscriptionAndCirculationMember_b0f22a71-cd86-43ef-99ec-e407cc7de5a4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubscriptionAndCirculationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_coin_BankServicingAndSubscriptionAndCirculationMember_978517c8-cb5d-4dfd-95fd-b0aa54775022" xlink:to="loc_us-gaap_SubscriptionAndCirculationMember_b0f22a71-cd86-43ef-99ec-e407cc7de5a4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_SubscriptionAndCirculationBlockchainInfrastructureServiceMember_6a96ecbe-411f-43d5-86b6-4bb0aa7382f9" xlink:href="coin-20230630.xsd#coin_SubscriptionAndCirculationBlockchainInfrastructureServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubscriptionAndCirculationMember_b0f22a71-cd86-43ef-99ec-e407cc7de5a4" xlink:to="loc_coin_SubscriptionAndCirculationBlockchainInfrastructureServiceMember_6a96ecbe-411f-43d5-86b6-4bb0aa7382f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_SubscriptionAndCirculationCustodialFeeMember_ec0e52f6-c8ec-475c-8aae-d91d21ee8618" xlink:href="coin-20230630.xsd#coin_SubscriptionAndCirculationCustodialFeeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubscriptionAndCirculationMember_b0f22a71-cd86-43ef-99ec-e407cc7de5a4" xlink:to="loc_coin_SubscriptionAndCirculationCustodialFeeMember_ec0e52f6-c8ec-475c-8aae-d91d21ee8618" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_SubscriptionAndCirculationOtherMember_3837dc70-b671-4906-b4ae-cbc5c6ead888" xlink:href="coin-20230630.xsd#coin_SubscriptionAndCirculationOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubscriptionAndCirculationMember_b0f22a71-cd86-43ef-99ec-e407cc7de5a4" xlink:to="loc_coin_SubscriptionAndCirculationOtherMember_3837dc70-b671-4906-b4ae-cbc5c6ead888" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_OtherCryptoSalesMember_d8c98308-2356-42b3-8154-f3219b258350" xlink:href="coin-20230630.xsd#coin_OtherCryptoSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_56c75c1f-d7f2-4d63-962f-1ec6bb11e188" xlink:to="loc_coin_OtherCryptoSalesMember_d8c98308-2356-42b3-8154-f3219b258350" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_ProductAndServiceOtherCryptoAssetSalesMember_efc53f99-f1be-4573-8603-740d777967d6" xlink:href="coin-20230630.xsd#coin_ProductAndServiceOtherCryptoAssetSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_coin_OtherCryptoSalesMember_d8c98308-2356-42b3-8154-f3219b258350" xlink:to="loc_coin_ProductAndServiceOtherCryptoAssetSalesMember_efc53f99-f1be-4573-8603-740d777967d6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CorporateInterestAndOtherIncomeMember_c8d87b59-8634-43a8-9752-94b855ef5199" xlink:href="coin-20230630.xsd#coin_CorporateInterestAndOtherIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_coin_OtherCryptoSalesMember_d8c98308-2356-42b3-8154-f3219b258350" xlink:to="loc_coin_CorporateInterestAndOtherIncomeMember_c8d87b59-8634-43a8-9752-94b855ef5199" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/REVENUENarrativeDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#REVENUENarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/REVENUENarrativeDetails" xlink:type="extended" id="ib9a33f3cf6a94fcea74ab9a1cd3b25f0_REVENUENarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_7bfc0fa5-8113-4d36-af63-cf5a0992a9b3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNet_0f7737eb-b392-4de9-bee5-e9a41deceab2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsReceivableNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_7bfc0fa5-8113-4d36-af63-cf5a0992a9b3" xlink:to="loc_us-gaap_AccountsReceivableNet_0f7737eb-b392-4de9-bee5-e9a41deceab2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_aa4dacc6-2b66-421e-abc8-4dec6e371b86" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_7bfc0fa5-8113-4d36-af63-cf5a0992a9b3" xlink:to="loc_us-gaap_Revenues_aa4dacc6-2b66-421e-abc8-4dec6e371b86" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_83cb9584-d9e5-4964-b71c-adeeb8aa5094" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_7bfc0fa5-8113-4d36-af63-cf5a0992a9b3" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_83cb9584-d9e5-4964-b71c-adeeb8aa5094" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_fdb916be-c216-4a0f-b641-2f6e7d9f08b6" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_83cb9584-d9e5-4964-b71c-adeeb8aa5094" xlink:to="loc_srt_ProductOrServiceAxis_fdb916be-c216-4a0f-b641-2f6e7d9f08b6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_fdb916be-c216-4a0f-b641-2f6e7d9f08b6_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_fdb916be-c216-4a0f-b641-2f6e7d9f08b6" xlink:to="loc_srt_ProductsAndServicesDomain_fdb916be-c216-4a0f-b641-2f6e7d9f08b6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_a44d1f99-5d6f-42f6-8892-9f07abe01669" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_fdb916be-c216-4a0f-b641-2f6e7d9f08b6" xlink:to="loc_srt_ProductsAndServicesDomain_a44d1f99-5d6f-42f6-8892-9f07abe01669" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_SubscriptionAndCirculationCustodialFeeMember_ae9f8667-1bfb-4fbe-ba4d-25fb8f48fccd" xlink:href="coin-20230630.xsd#coin_SubscriptionAndCirculationCustodialFeeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_a44d1f99-5d6f-42f6-8892-9f07abe01669" xlink:to="loc_coin_SubscriptionAndCirculationCustodialFeeMember_ae9f8667-1bfb-4fbe-ba4d-25fb8f48fccd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f83343dc-c470-471b-ae93-a8c08c848f72" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_83cb9584-d9e5-4964-b71c-adeeb8aa5094" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f83343dc-c470-471b-ae93-a8c08c848f72" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_f83343dc-c470-471b-ae93-a8c08c848f72_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f83343dc-c470-471b-ae93-a8c08c848f72" xlink:to="loc_us-gaap_RelatedPartyDomain_f83343dc-c470-471b-ae93-a8c08c848f72_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_8fcee350-cb75-46bd-8487-bb20004d7186" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f83343dc-c470-471b-ae93-a8c08c848f72" xlink:to="loc_us-gaap_RelatedPartyDomain_8fcee350-cb75-46bd-8487-bb20004d7186" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_acdda0d2-8e4b-47e8-881f-3d1843f16428" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_8fcee350-cb75-46bd-8487-bb20004d7186" xlink:to="loc_us-gaap_RelatedPartyMember_acdda0d2-8e4b-47e8-881f-3d1843f16428" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/REVENUEScheduleofrevenuedisaggregatedbygeographicareaDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#REVENUEScheduleofrevenuedisaggregatedbygeographicareaDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/REVENUEScheduleofrevenuedisaggregatedbygeographicareaDetails" xlink:type="extended" id="idcb50cbd9df24394baa635f45a8854a0_REVENUEScheduleofrevenuedisaggregatedbygeographicareaDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_8380161f-3df0-4bf3-945f-c1c9fe9e97b7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_15019651-39dc-466c-a6a5-9ec7a2bd3894" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_8380161f-3df0-4bf3-945f-c1c9fe9e97b7" xlink:to="loc_us-gaap_Revenues_15019651-39dc-466c-a6a5-9ec7a2bd3894" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_ec980903-5eed-4015-875f-494bc16ca6fe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_8380161f-3df0-4bf3-945f-c1c9fe9e97b7" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_ec980903-5eed-4015-875f-494bc16ca6fe" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_1f15f800-3ddd-4f3d-b963-da69e237a5e1" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_ec980903-5eed-4015-875f-494bc16ca6fe" xlink:to="loc_srt_StatementGeographicalAxis_1f15f800-3ddd-4f3d-b963-da69e237a5e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_1f15f800-3ddd-4f3d-b963-da69e237a5e1_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_1f15f800-3ddd-4f3d-b963-da69e237a5e1" xlink:to="loc_srt_SegmentGeographicalDomain_1f15f800-3ddd-4f3d-b963-da69e237a5e1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_439d4c37-bbf4-44a1-abef-a8d609cb2976" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_1f15f800-3ddd-4f3d-b963-da69e237a5e1" xlink:to="loc_srt_SegmentGeographicalDomain_439d4c37-bbf4-44a1-abef-a8d609cb2976" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_59d488a8-fd50-45c5-b701-8594181a69a0" xlink:href="https://xbrl.sec.gov/country/2023/country-2023.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_439d4c37-bbf4-44a1-abef-a8d609cb2976" xlink:to="loc_country_US_59d488a8-fd50-45c5-b701-8594181a69a0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_RestOfTheWorldMember_7f97d263-7f60-49fc-b8dc-beb15db554b2" xlink:href="coin-20230630.xsd#coin_RestOfTheWorldMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_439d4c37-bbf4-44a1-abef-a8d609cb2976" xlink:to="loc_coin_RestOfTheWorldMember_7f97d263-7f60-49fc-b8dc-beb15db554b2" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/ACCOUNTSANDLOANSRECEIVABLENETOFALLOWANCEScheduleofaccountsandloansreceivableDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#ACCOUNTSANDLOANSRECEIVABLENETOFALLOWANCEScheduleofaccountsandloansreceivableDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/ACCOUNTSANDLOANSRECEIVABLENETOFALLOWANCEScheduleofaccountsandloansreceivableDetails" xlink:type="extended" id="i44dd53601a94455898129b5c3119ab4f_ACCOUNTSANDLOANSRECEIVABLENETOFALLOWANCEScheduleofaccountsandloansreceivableDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3e61eae7-23fa-4df0-b3fb-c277b359658b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestReceivable_9eed4fb3-da72-4adf-b84d-eb81e9512c56" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3e61eae7-23fa-4df0-b3fb-c277b359658b" xlink:to="loc_us-gaap_InterestReceivable_9eed4fb3-da72-4adf-b84d-eb81e9512c56" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_AccountsReceivableBeforeAllowanceForCreditLossCustodialFeesBankingAndServicingCurrent_60b40f65-8765-4125-a9cc-55ef57f05dbb" xlink:href="coin-20230630.xsd#coin_AccountsReceivableBeforeAllowanceForCreditLossCustodialFeesBankingAndServicingCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3e61eae7-23fa-4df0-b3fb-c277b359658b" xlink:to="loc_coin_AccountsReceivableBeforeAllowanceForCreditLossCustodialFeesBankingAndServicingCurrent_60b40f65-8765-4125-a9cc-55ef57f05dbb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_aa0d4e60-7caf-4cc5-b83a-d25918bc6a71" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3e61eae7-23fa-4df0-b3fb-c277b359658b" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_aa0d4e60-7caf-4cc5-b83a-d25918bc6a71" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_AccountsReceivableBeforeAllowanceForCreditLossCryptoAssetLoanReceivableCurrent_3113eec5-a7f3-4730-a3b6-90694935972a" xlink:href="coin-20230630.xsd#coin_AccountsReceivableBeforeAllowanceForCreditLossCryptoAssetLoanReceivableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3e61eae7-23fa-4df0-b3fb-c277b359658b" xlink:to="loc_coin_AccountsReceivableBeforeAllowanceForCreditLossCryptoAssetLoanReceivableCurrent_3113eec5-a7f3-4730-a3b6-90694935972a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_AccountsReceivableBeforeAllowanceForCreditLossOtherExcludingAccruedInterestCurrent_16e93749-8c43-464d-9430-6a0d28fc23f7" xlink:href="coin-20230630.xsd#coin_AccountsReceivableBeforeAllowanceForCreditLossOtherExcludingAccruedInterestCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3e61eae7-23fa-4df0-b3fb-c277b359658b" xlink:to="loc_coin_AccountsReceivableBeforeAllowanceForCreditLossOtherExcludingAccruedInterestCurrent_16e93749-8c43-464d-9430-6a0d28fc23f7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_AccountsReceivableAllowanceForCreditLossExcludingAccruedInterestCurrent_98559fd0-b7ad-4248-ae6b-a0095f1250cb" xlink:href="coin-20230630.xsd#coin_AccountsReceivableAllowanceForCreditLossExcludingAccruedInterestCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3e61eae7-23fa-4df0-b3fb-c277b359658b" xlink:to="loc_coin_AccountsReceivableAllowanceForCreditLossExcludingAccruedInterestCurrent_98559fd0-b7ad-4248-ae6b-a0095f1250cb" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableNetCurrent_ac9d0301-40b3-4300-8651-cc59b9f09b93" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesAndLoansReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3e61eae7-23fa-4df0-b3fb-c277b359658b" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableNetCurrent_ac9d0301-40b3-4300-8651-cc59b9f09b93" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptoCurrencyReceivables_6856e7ac-a89e-4905-8539-eb248bc6a6d5" xlink:href="coin-20230630.xsd#coin_CryptoCurrencyReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3e61eae7-23fa-4df0-b3fb-c277b359658b" xlink:to="loc_coin_CryptoCurrencyReceivables_6856e7ac-a89e-4905-8539-eb248bc6a6d5" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_635d5546-b070-4490-8c4f-108df8532291" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3e61eae7-23fa-4df0-b3fb-c277b359658b" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_635d5546-b070-4490-8c4f-108df8532291" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalCreditAssessmentAxis_4b3ea1c3-ea72-4201-acc4-66e2c7dbae3e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InternalCreditAssessmentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_635d5546-b070-4490-8c4f-108df8532291" xlink:to="loc_us-gaap_InternalCreditAssessmentAxis_4b3ea1c3-ea72-4201-acc4-66e2c7dbae3e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalCreditAssessmentDomain_4b3ea1c3-ea72-4201-acc4-66e2c7dbae3e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InternalCreditAssessmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InternalCreditAssessmentAxis_4b3ea1c3-ea72-4201-acc4-66e2c7dbae3e" xlink:to="loc_us-gaap_InternalCreditAssessmentDomain_4b3ea1c3-ea72-4201-acc4-66e2c7dbae3e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalCreditAssessmentDomain_798e5b9b-037d-4277-a66a-9fbce2c7b94c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InternalCreditAssessmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InternalCreditAssessmentAxis_4b3ea1c3-ea72-4201-acc4-66e2c7dbae3e" xlink:to="loc_us-gaap_InternalCreditAssessmentDomain_798e5b9b-037d-4277-a66a-9fbce2c7b94c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnlikelyToBeCollectedFinancingReceivableMember_928f2a66-d1fa-4f07-b1e2-fa185b2b7186" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_UnlikelyToBeCollectedFinancingReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InternalCreditAssessmentDomain_798e5b9b-037d-4277-a66a-9fbce2c7b94c" xlink:to="loc_us-gaap_UnlikelyToBeCollectedFinancingReceivableMember_928f2a66-d1fa-4f07-b1e2-fa185b2b7186" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_ff96f6e9-5b3e-42d3-96ad-4f9061ff9654" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_635d5546-b070-4490-8c4f-108df8532291" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_ff96f6e9-5b3e-42d3-96ad-4f9061ff9654" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_ff96f6e9-5b3e-42d3-96ad-4f9061ff9654_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_ff96f6e9-5b3e-42d3-96ad-4f9061ff9654" xlink:to="loc_us-gaap_ReceivableTypeDomain_ff96f6e9-5b3e-42d3-96ad-4f9061ff9654_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_55f351bc-c2a9-4071-bacc-16e4267a93c1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_ff96f6e9-5b3e-42d3-96ad-4f9061ff9654" xlink:to="loc_us-gaap_ReceivableTypeDomain_55f351bc-c2a9-4071-bacc-16e4267a93c1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_AccountsReceivableDenominatedInCryptoAssetsMember_ba443b4b-26dd-4f80-b18c-245d80f94bf8" xlink:href="coin-20230630.xsd#coin_AccountsReceivableDenominatedInCryptoAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_55f351bc-c2a9-4071-bacc-16e4267a93c1" xlink:to="loc_coin_AccountsReceivableDenominatedInCryptoAssetsMember_ba443b4b-26dd-4f80-b18c-245d80f94bf8" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/ACCOUNTSANDLOANSRECEIVABLENETOFALLOWANCENarrativeDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#ACCOUNTSANDLOANSRECEIVABLENETOFALLOWANCENarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/ACCOUNTSANDLOANSRECEIVABLENETOFALLOWANCENarrativeDetails" xlink:type="extended" id="i99627b6cd07542169f054c09bcd21161_ACCOUNTSANDLOANSRECEIVABLENETOFALLOWANCENarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_790b3807-ee68-4b51-9d18-b97e67f17018" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLossCurrent_71a2a5de-e786-4081-80ad-df67a5d40f2d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLossCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_790b3807-ee68-4b51-9d18-b97e67f17018" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLossCurrent_71a2a5de-e786-4081-80ad-df67a5d40f2d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss_648bb04f-8330-421e-b133-0c64da938a08" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_790b3807-ee68-4b51-9d18-b97e67f17018" xlink:to="loc_us-gaap_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss_648bb04f-8330-421e-b133-0c64da938a08" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_d7bdac68-beed-4312-aedc-00cc49ab35e4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_790b3807-ee68-4b51-9d18-b97e67f17018" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_d7bdac68-beed-4312-aedc-00cc49ab35e4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_AssetsPledgedAsCollateralPercentageOfFairValue_1d0257c6-c9d4-4aef-9799-228c83dacedb" xlink:href="coin-20230630.xsd#coin_AssetsPledgedAsCollateralPercentageOfFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_790b3807-ee68-4b51-9d18-b97e67f17018" xlink:to="loc_coin_AssetsPledgedAsCollateralPercentageOfFairValue_1d0257c6-c9d4-4aef-9799-228c83dacedb" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestCurrent_ee8fa603-9fc1-4b94-a26f-5adc666cbe05" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_790b3807-ee68-4b51-9d18-b97e67f17018" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestCurrent_ee8fa603-9fc1-4b94-a26f-5adc666cbe05" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptoAssetFinancingReceivableAllowanceForCreditLossExcludingAccruedInterestCurrent_49fe3c76-3ef8-49fa-95ca-94bc057dc41e" xlink:href="coin-20230630.xsd#coin_CryptoAssetFinancingReceivableAllowanceForCreditLossExcludingAccruedInterestCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_790b3807-ee68-4b51-9d18-b97e67f17018" xlink:to="loc_coin_CryptoAssetFinancingReceivableAllowanceForCreditLossExcludingAccruedInterestCurrent_49fe3c76-3ef8-49fa-95ca-94bc057dc41e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptoAssetFinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_5cb1c87d-d2c0-4a3b-a3ef-ba9f92d0a060" xlink:href="coin-20230630.xsd#coin_CryptoAssetFinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_790b3807-ee68-4b51-9d18-b97e67f17018" xlink:to="loc_coin_CryptoAssetFinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_5cb1c87d-d2c0-4a3b-a3ef-ba9f92d0a060" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_1a58555a-4e83-4e66-837c-9407d6c71fcd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_790b3807-ee68-4b51-9d18-b97e67f17018" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_1a58555a-4e83-4e66-837c-9407d6c71fcd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_b82e77f0-d33f-4090-89ac-71b461af5121" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_1a58555a-4e83-4e66-837c-9407d6c71fcd" xlink:to="loc_srt_RangeAxis_b82e77f0-d33f-4090-89ac-71b461af5121" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_b82e77f0-d33f-4090-89ac-71b461af5121_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_b82e77f0-d33f-4090-89ac-71b461af5121" xlink:to="loc_srt_RangeMember_b82e77f0-d33f-4090-89ac-71b461af5121_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_0b643862-db06-43e1-9b3f-df7b1be1deca" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_b82e77f0-d33f-4090-89ac-71b461af5121" xlink:to="loc_srt_RangeMember_0b643862-db06-43e1-9b3f-df7b1be1deca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_4a0061cd-07b1-476c-8427-c49055be2833" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_0b643862-db06-43e1-9b3f-df7b1be1deca" xlink:to="loc_srt_MinimumMember_4a0061cd-07b1-476c-8427-c49055be2833" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_9da0d706-f267-4852-84fa-8b9d65e619ad" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_0b643862-db06-43e1-9b3f-df7b1be1deca" xlink:to="loc_srt_MaximumMember_9da0d706-f267-4852-84fa-8b9d65e619ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_3bec85d9-9909-45cb-856c-70388e52b4d2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivablesPeriodPastDueAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_1a58555a-4e83-4e66-837c-9407d6c71fcd" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_3bec85d9-9909-45cb-856c-70388e52b4d2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_3bec85d9-9909-45cb-856c-70388e52b4d2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivablesPeriodPastDueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_3bec85d9-9909-45cb-856c-70388e52b4d2" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_3bec85d9-9909-45cb-856c-70388e52b4d2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_e0b10cda-3b5a-439f-b3ac-52ce20b00813" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivablesPeriodPastDueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_3bec85d9-9909-45cb-856c-70388e52b4d2" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_e0b10cda-3b5a-439f-b3ac-52ce20b00813" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialAssetPastDueMember_7e212959-7b8f-4e37-983f-85c4d47a0383" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialAssetPastDueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_e0b10cda-3b5a-439f-b3ac-52ce20b00813" xlink:to="loc_us-gaap_FinancialAssetPastDueMember_7e212959-7b8f-4e37-983f-85c4d47a0383" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/GOODWILLINTANGIBLEASSETSNETANDCRYPTOASSETSHELDScheduleofgoodwillDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#GOODWILLINTANGIBLEASSETSNETANDCRYPTOASSETSHELDScheduleofgoodwillDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/GOODWILLINTANGIBLEASSETSNETANDCRYPTOASSETSHELDScheduleofgoodwillDetails" xlink:type="extended" id="i81981f44d37d499c921d96d16e47f99b_GOODWILLINTANGIBLEASSETSNETANDCRYPTOASSETSHELDScheduleofgoodwillDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems_71a0df5f-a678-435d-807e-2bf1425d783c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GoodwillLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillRollForward_382b72c4-82d3-46a2-a48f-ca47a9fa2ee0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GoodwillRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_71a0df5f-a678-435d-807e-2bf1425d783c" xlink:to="loc_us-gaap_GoodwillRollForward_382b72c4-82d3-46a2-a48f-ca47a9fa2ee0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_0d506c02-78d8-4056-8f24-e0238ba68f1d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_382b72c4-82d3-46a2-a48f-ca47a9fa2ee0" xlink:to="loc_us-gaap_Goodwill_0d506c02-78d8-4056-8f24-e0238ba68f1d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_27bb7a66-a316-48f9-aaeb-0ab33978ae03" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GoodwillAcquiredDuringPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_382b72c4-82d3-46a2-a48f-ca47a9fa2ee0" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_27bb7a66-a316-48f9-aaeb-0ab33978ae03" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_42013de0-5f79-4a00-b1e1-8fc838d5b635" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GoodwillPurchaseAccountingAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_382b72c4-82d3-46a2-a48f-ca47a9fa2ee0" xlink:to="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_42013de0-5f79-4a00-b1e1-8fc838d5b635" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_e280e948-d73c-4d20-bc79-9cae08fd74c8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Goodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_f2af2aeb-46eb-498f-9e43-aa0c39d915b6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfGoodwillTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GoodwillLineItems_71a0df5f-a678-435d-807e-2bf1425d783c" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_f2af2aeb-46eb-498f-9e43-aa0c39d915b6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_96b10ae2-4672-406c-a008-38e77ed36098" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_f2af2aeb-46eb-498f-9e43-aa0c39d915b6" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_96b10ae2-4672-406c-a008-38e77ed36098" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_96b10ae2-4672-406c-a008-38e77ed36098_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_96b10ae2-4672-406c-a008-38e77ed36098" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_96b10ae2-4672-406c-a008-38e77ed36098_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_c0b50c41-6377-44a9-8b15-9addd2b61257" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_96b10ae2-4672-406c-a008-38e77ed36098" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_c0b50c41-6377-44a9-8b15-9addd2b61257" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_UnboundSecurityIncMember_9ca980aa-a6ea-430d-81f9-8647817152b5" xlink:href="coin-20230630.xsd#coin_UnboundSecurityIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_c0b50c41-6377-44a9-8b15-9addd2b61257" xlink:to="loc_coin_UnboundSecurityIncMember_9ca980aa-a6ea-430d-81f9-8647817152b5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_FairXchangeIncMember_30357e87-6c06-4293-97a8-4cb0ba7a469e" xlink:href="coin-20230630.xsd#coin_FairXchangeIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_c0b50c41-6377-44a9-8b15-9addd2b61257" xlink:to="loc_coin_FairXchangeIncMember_30357e87-6c06-4293-97a8-4cb0ba7a469e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_c23ee721-5e19-4c88-8e87-abd769a62343" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_c0b50c41-6377-44a9-8b15-9addd2b61257" xlink:to="loc_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_c23ee721-5e19-4c88-8e87-abd769a62343" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/GOODWILLINTANGIBLEASSETSNETANDCRYPTOASSETSHELDNarrativeDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#GOODWILLINTANGIBLEASSETSNETANDCRYPTOASSETSHELDNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/GOODWILLINTANGIBLEASSETSNETANDCRYPTOASSETSHELDNarrativeDetails" xlink:type="extended" id="i712d50842a4b4611b9b5cfbab47aca82_GOODWILLINTANGIBLEASSETSNETANDCRYPTOASSETSHELDNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f1dc7167-acae-4fa3-85aa-64b02f13a943" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_a816ff29-598a-4141-949b-06c9cb39b885" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GoodwillImpairedAccumulatedImpairmentLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f1dc7167-acae-4fa3-85aa-64b02f13a943" xlink:to="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_a816ff29-598a-4141-949b-06c9cb39b885" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_d8dade02-ddcc-4351-8523-9f70854d38a7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f1dc7167-acae-4fa3-85aa-64b02f13a943" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_d8dade02-ddcc-4351-8523-9f70854d38a7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_ImpairmentOfIntangibleAssetsExcludingGoodwillAndCryptoAssetsHeld_9b717377-28d3-4534-98e0-7f127efd870c" xlink:href="coin-20230630.xsd#coin_ImpairmentOfIntangibleAssetsExcludingGoodwillAndCryptoAssetsHeld"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f1dc7167-acae-4fa3-85aa-64b02f13a943" xlink:to="loc_coin_ImpairmentOfIntangibleAssetsExcludingGoodwillAndCryptoAssetsHeld_9b717377-28d3-4534-98e0-7f127efd870c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_77c7c8ef-e652-48db-bfbe-9ab7c88b0ead" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f1dc7167-acae-4fa3-85aa-64b02f13a943" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_77c7c8ef-e652-48db-bfbe-9ab7c88b0ead" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptoAssetImpairmentCharges_961fe25e-72b5-4e01-8c98-242d0eac55e9" xlink:href="coin-20230630.xsd#coin_CryptoAssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f1dc7167-acae-4fa3-85aa-64b02f13a943" xlink:to="loc_coin_CryptoAssetImpairmentCharges_961fe25e-72b5-4e01-8c98-242d0eac55e9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_0593940a-e2b5-4af8-81a5-5d1dcbff693a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f1dc7167-acae-4fa3-85aa-64b02f13a943" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_0593940a-e2b5-4af8-81a5-5d1dcbff693a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_fcfd623c-5edf-46fd-9802-bcac1073b872" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_0593940a-e2b5-4af8-81a5-5d1dcbff693a" xlink:to="loc_srt_RangeAxis_fcfd623c-5edf-46fd-9802-bcac1073b872" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_fcfd623c-5edf-46fd-9802-bcac1073b872_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_fcfd623c-5edf-46fd-9802-bcac1073b872" xlink:to="loc_srt_RangeMember_fcfd623c-5edf-46fd-9802-bcac1073b872_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_4a9da309-6b7d-42a3-a8ec-62295b0ee2d5" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_fcfd623c-5edf-46fd-9802-bcac1073b872" xlink:to="loc_srt_RangeMember_4a9da309-6b7d-42a3-a8ec-62295b0ee2d5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_44aad3b6-6d3e-4e5e-a65a-6b7268820edc" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_4a9da309-6b7d-42a3-a8ec-62295b0ee2d5" xlink:to="loc_srt_MinimumMember_44aad3b6-6d3e-4e5e-a65a-6b7268820edc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_9fa4e3ea-1360-47f0-a811-dd3563bb31f5" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_4a9da309-6b7d-42a3-a8ec-62295b0ee2d5" xlink:to="loc_srt_MaximumMember_9fa4e3ea-1360-47f0-a811-dd3563bb31f5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_781e1e9c-b4cd-4fe5-b10c-d0da57d3cec8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_0593940a-e2b5-4af8-81a5-5d1dcbff693a" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_781e1e9c-b4cd-4fe5-b10c-d0da57d3cec8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_781e1e9c-b4cd-4fe5-b10c-d0da57d3cec8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_781e1e9c-b4cd-4fe5-b10c-d0da57d3cec8" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_781e1e9c-b4cd-4fe5-b10c-d0da57d3cec8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_b92fa9b4-907c-4945-af61-b92c700cc9d5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_781e1e9c-b4cd-4fe5-b10c-d0da57d3cec8" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_b92fa9b4-907c-4945-af61-b92c700cc9d5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptoAssetsHeldAsInvestmentsMember_c53c703c-b984-4c1b-a3be-7785dd9fdf20" xlink:href="coin-20230630.xsd#coin_CryptoAssetsHeldAsInvestmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_b92fa9b4-907c-4945-af61-b92c700cc9d5" xlink:to="loc_coin_CryptoAssetsHeldAsInvestmentsMember_c53c703c-b984-4c1b-a3be-7785dd9fdf20" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/GOODWILLINTANGIBLEASSETSNETANDCRYPTOASSETSHELDScheduleofintangibleassetsDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#GOODWILLINTANGIBLEASSETSNETANDCRYPTOASSETSHELDScheduleofintangibleassetsDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/GOODWILLINTANGIBLEASSETSNETANDCRYPTOASSETSHELDScheduleofintangibleassetsDetails" xlink:type="extended" id="i9fed66b6316e4018a907c1119d712139_GOODWILLINTANGIBLEASSETSNETANDCRYPTOASSETSHELDScheduleofintangibleassetsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_89ed1f7b-2791-45a1-83fd-7bf5137a6de9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_e7b99fdf-368b-4b36-a1ff-730663e0cb51" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_89ed1f7b-2791-45a1-83fd-7bf5137a6de9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_e7b99fdf-368b-4b36-a1ff-730663e0cb51" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_b9f05bf6-042c-485d-829c-21cd7a8403fc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_89ed1f7b-2791-45a1-83fd-7bf5137a6de9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_b9f05bf6-042c-485d-829c-21cd7a8403fc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_14ccce12-4358-475e-a7a5-958540a8883e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_89ed1f7b-2791-45a1-83fd-7bf5137a6de9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_14ccce12-4358-475e-a7a5-958540a8883e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_7b88b8cf-58ee-4200-a530-85f5f40b107c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_89ed1f7b-2791-45a1-83fd-7bf5137a6de9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_7b88b8cf-58ee-4200-a530-85f5f40b107c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_d401699f-6785-45ae-a513-eef2b88162b6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_89ed1f7b-2791-45a1-83fd-7bf5137a6de9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_d401699f-6785-45ae-a513-eef2b88162b6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_6ef88a73-a639-442c-a289-9e0ab02acb17" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_89ed1f7b-2791-45a1-83fd-7bf5137a6de9" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_6ef88a73-a639-442c-a289-9e0ab02acb17" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5f367c23-1bb5-45c0-81a1-0f104708b0e4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_6ef88a73-a639-442c-a289-9e0ab02acb17" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5f367c23-1bb5-45c0-81a1-0f104708b0e4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_5f367c23-1bb5-45c0-81a1-0f104708b0e4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5f367c23-1bb5-45c0-81a1-0f104708b0e4" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_5f367c23-1bb5-45c0-81a1-0f104708b0e4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3048f323-7d1e-4252-b1c7-c0724dc8be18" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5f367c23-1bb5-45c0-81a1-0f104708b0e4" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3048f323-7d1e-4252-b1c7-c0724dc8be18" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_0467fdbb-b6fa-4cf5-b121-8dcbc9afb8ed" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3048f323-7d1e-4252-b1c7-c0724dc8be18" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_0467fdbb-b6fa-4cf5-b121-8dcbc9afb8ed" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelatedIntangibleAssetsMember_e51850e1-9d2a-4bcc-b4f3-fe30b42757d2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CustomerRelatedIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3048f323-7d1e-4252-b1c7-c0724dc8be18" xlink:to="loc_us-gaap_CustomerRelatedIntangibleAssetsMember_e51850e1-9d2a-4bcc-b4f3-fe30b42757d2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_393e7cf4-bb6a-43ae-9255-2f781514f49e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3048f323-7d1e-4252-b1c7-c0724dc8be18" xlink:to="loc_us-gaap_CustomerRelationshipsMember_393e7cf4-bb6a-43ae-9255-2f781514f49e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_a386228c-64c2-488f-a573-9ff6f060da07" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NoncompeteAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3048f323-7d1e-4252-b1c7-c0724dc8be18" xlink:to="loc_us-gaap_NoncompeteAgreementsMember_a386228c-64c2-488f-a573-9ff6f060da07" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmploymentContractsMember_e23ddc87-2380-42fd-84b0-e7aaf6948ef7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmploymentContractsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3048f323-7d1e-4252-b1c7-c0724dc8be18" xlink:to="loc_us-gaap_EmploymentContractsMember_e23ddc87-2380-42fd-84b0-e7aaf6948ef7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_TradeRelationshipsMember_04d7a49f-6936-440c-bac9-6c59c32318f4" xlink:href="coin-20230630.xsd#coin_TradeRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3048f323-7d1e-4252-b1c7-c0724dc8be18" xlink:to="loc_coin_TradeRelationshipsMember_04d7a49f-6936-440c-bac9-6c59c32318f4" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InProcessResearchAndDevelopmentMember_ea84c0bf-4f88-4ecf-8b18-5e259bfa65aa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InProcessResearchAndDevelopmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3048f323-7d1e-4252-b1c7-c0724dc8be18" xlink:to="loc_us-gaap_InProcessResearchAndDevelopmentMember_ea84c0bf-4f88-4ecf-8b18-5e259bfa65aa" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis_238baa2c-6105-4f3f-ab4c-64d7906a53c9" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_StatementScenarioAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_6ef88a73-a639-442c-a289-9e0ab02acb17" xlink:to="loc_srt_StatementScenarioAxis_238baa2c-6105-4f3f-ab4c-64d7906a53c9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_238baa2c-6105-4f3f-ab4c-64d7906a53c9_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementScenarioAxis_238baa2c-6105-4f3f-ab4c-64d7906a53c9" xlink:to="loc_srt_ScenarioUnspecifiedDomain_238baa2c-6105-4f3f-ab4c-64d7906a53c9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_28cc0458-3f71-41a0-8be2-686bdd60942e" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementScenarioAxis_238baa2c-6105-4f3f-ab4c-64d7906a53c9" xlink:to="loc_srt_ScenarioUnspecifiedDomain_28cc0458-3f71-41a0-8be2-686bdd60942e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProFormaMember_4611332c-7c7d-4b42-9747-00f3dc196eb6" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProFormaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ScenarioUnspecifiedDomain_28cc0458-3f71-41a0-8be2-686bdd60942e" xlink:to="loc_srt_ProFormaMember_4611332c-7c7d-4b42-9747-00f3dc196eb6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_533bcdc1-89c7-43d3-83a9-5f60a49fdec9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_837ab8ba-2b3d-43db-8e0a-e1de09c419e3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_533bcdc1-89c7-43d3-83a9-5f60a49fdec9" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_837ab8ba-2b3d-43db-8e0a-e1de09c419e3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_567cf509-4d0e-42a7-9321-80f41171554a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_533bcdc1-89c7-43d3-83a9-5f60a49fdec9" xlink:to="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_567cf509-4d0e-42a7-9321-80f41171554a" xlink:type="arc" order="2" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_60839288-eea7-499a-96a5-1a47b727fab5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_567cf509-4d0e-42a7-9321-80f41171554a" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_60839288-eea7-499a-96a5-1a47b727fab5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_60839288-eea7-499a-96a5-1a47b727fab5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_60839288-eea7-499a-96a5-1a47b727fab5" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_60839288-eea7-499a-96a5-1a47b727fab5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_b806b412-0a59-41ac-9801-68a1e3d35c56" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_60839288-eea7-499a-96a5-1a47b727fab5" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_b806b412-0a59-41ac-9801-68a1e3d35c56" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternetDomainNamesMember_ca267a52-5018-47e0-88c5-264b6ba38bd6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InternetDomainNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_b806b412-0a59-41ac-9801-68a1e3d35c56" xlink:to="loc_us-gaap_InternetDomainNamesMember_ca267a52-5018-47e0-88c5-264b6ba38bd6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LicensingAgreementsMember_57a27a8f-b9f7-4762-ab60-5e56332ae368" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LicensingAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_b806b412-0a59-41ac-9801-68a1e3d35c56" xlink:to="loc_us-gaap_LicensingAgreementsMember_57a27a8f-b9f7-4762-ab60-5e56332ae368" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/GOODWILLINTANGIBLEASSETSNETANDCRYPTOASSETSHELDCryptoassetsheldDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#GOODWILLINTANGIBLEASSETSNETANDCRYPTOASSETSHELDCryptoassetsheldDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/GOODWILLINTANGIBLEASSETSNETANDCRYPTOASSETSHELDCryptoassetsheldDetails" xlink:type="extended" id="i24806ad0f67a469390d5ba962870c167_GOODWILLINTANGIBLEASSETSNETANDCRYPTOASSETSHELDCryptoassetsheldDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_cb1d114a-95df-46b9-9a94-e0f3a9b7292f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_c4b0934b-8d27-43ae-a64d-965fc4f543ab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_cb1d114a-95df-46b9-9a94-e0f3a9b7292f" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_c4b0934b-8d27-43ae-a64d-965fc4f543ab" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_6582da2d-6cf7-40d6-9d36-b497eabbbe7d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_cb1d114a-95df-46b9-9a94-e0f3a9b7292f" xlink:to="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_6582da2d-6cf7-40d6-9d36-b497eabbbe7d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_39652b8c-4527-4885-8083-cddc6334396b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_6582da2d-6cf7-40d6-9d36-b497eabbbe7d" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_39652b8c-4527-4885-8083-cddc6334396b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_39652b8c-4527-4885-8083-cddc6334396b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_39652b8c-4527-4885-8083-cddc6334396b" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_39652b8c-4527-4885-8083-cddc6334396b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_8316fa8d-e3b3-4e89-a6fd-d730b33c29bd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_39652b8c-4527-4885-8083-cddc6334396b" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_8316fa8d-e3b3-4e89-a6fd-d730b33c29bd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptoAssetsMember_99ab871e-7a64-455f-abb1-d043c74caa31" xlink:href="coin-20230630.xsd#coin_CryptoAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_8316fa8d-e3b3-4e89-a6fd-d730b33c29bd" xlink:to="loc_coin_CryptoAssetsMember_99ab871e-7a64-455f-abb1-d043c74caa31" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptoAssetsHeldAsInvestmentsMember_69726ccf-b295-4e1e-a2fb-b647a4af1472" xlink:href="coin-20230630.xsd#coin_CryptoAssetsHeldAsInvestmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_coin_CryptoAssetsMember_99ab871e-7a64-455f-abb1-d043c74caa31" xlink:to="loc_coin_CryptoAssetsHeldAsInvestmentsMember_69726ccf-b295-4e1e-a2fb-b647a4af1472" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptoAssetsHeldForOperationsMember_3a77b2cd-429e-456c-aaf3-6706b6a03137" xlink:href="coin-20230630.xsd#coin_CryptoAssetsHeldForOperationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_coin_CryptoAssetsMember_99ab871e-7a64-455f-abb1-d043c74caa31" xlink:to="loc_coin_CryptoAssetsHeldForOperationsMember_3a77b2cd-429e-456c-aaf3-6706b6a03137" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptoAssetsBorrowedMember_7a54cc86-f421-40f8-bb28-ab7348b872e8" xlink:href="coin-20230630.xsd#coin_CryptoAssetsBorrowedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_coin_CryptoAssetsMember_99ab871e-7a64-455f-abb1-d043c74caa31" xlink:to="loc_coin_CryptoAssetsBorrowedMember_7a54cc86-f421-40f8-bb28-ab7348b872e8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_IntangibleAssetStatusAxis_81a6c8d7-c369-499e-8cc9-b8614b50b8e5" xlink:href="coin-20230630.xsd#coin_IntangibleAssetStatusAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_6582da2d-6cf7-40d6-9d36-b497eabbbe7d" xlink:to="loc_coin_IntangibleAssetStatusAxis_81a6c8d7-c369-499e-8cc9-b8614b50b8e5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_IntangibleAssetStatusDomain_81a6c8d7-c369-499e-8cc9-b8614b50b8e5_default" xlink:href="coin-20230630.xsd#coin_IntangibleAssetStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_coin_IntangibleAssetStatusAxis_81a6c8d7-c369-499e-8cc9-b8614b50b8e5" xlink:to="loc_coin_IntangibleAssetStatusDomain_81a6c8d7-c369-499e-8cc9-b8614b50b8e5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_IntangibleAssetStatusDomain_f5142ac3-d46b-49b5-8c71-4c66a8f128fa" xlink:href="coin-20230630.xsd#coin_IntangibleAssetStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_coin_IntangibleAssetStatusAxis_81a6c8d7-c369-499e-8cc9-b8614b50b8e5" xlink:to="loc_coin_IntangibleAssetStatusDomain_f5142ac3-d46b-49b5-8c71-4c66a8f128fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_RecordedAtImpairedCostMember_8174d579-2f69-4056-afb8-b6baed6dc2cc" xlink:href="coin-20230630.xsd#coin_RecordedAtImpairedCostMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_coin_IntangibleAssetStatusDomain_f5142ac3-d46b-49b5-8c71-4c66a8f128fa" xlink:to="loc_coin_RecordedAtImpairedCostMember_8174d579-2f69-4056-afb8-b6baed6dc2cc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_RecordedAtFairValueMember_dd51d71b-bb89-4670-a864-eb48094d9642" xlink:href="coin-20230630.xsd#coin_RecordedAtFairValueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_coin_IntangibleAssetStatusDomain_f5142ac3-d46b-49b5-8c71-4c66a8f128fa" xlink:to="loc_coin_RecordedAtFairValueMember_dd51d71b-bb89-4670-a864-eb48094d9642" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/CUSTOMERASSETSANDLIABILITIESNarrativeDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#CUSTOMERASSETSANDLIABILITIESNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/CUSTOMERASSETSANDLIABILITIESNarrativeDetails" xlink:type="extended" id="i5acdc4faa3434f1d9000eb65a8577d79_CUSTOMERASSETSANDLIABILITIESNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_srt_PlatformOperatorCryptoAssetLineItems_10162297-5292-4d03-b29a-245bed0090f8" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_PlatformOperatorCryptoAssetLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_SafeguardingAssetPlatformOperatorCryptoAssetsToCashRatio_86782885-8247-4a44-b7aa-305428222dda" xlink:href="coin-20230630.xsd#coin_SafeguardingAssetPlatformOperatorCryptoAssetsToCashRatio"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_PlatformOperatorCryptoAssetLineItems_10162297-5292-4d03-b29a-245bed0090f8" xlink:to="loc_coin_SafeguardingAssetPlatformOperatorCryptoAssetsToCashRatio_86782885-8247-4a44-b7aa-305428222dda" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SafeguardingLiabilityPlatformOperatorCryptoAsset_29a83a0c-ff28-4838-af3f-5fb72cebdbd9" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SafeguardingLiabilityPlatformOperatorCryptoAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_PlatformOperatorCryptoAssetLineItems_10162297-5292-4d03-b29a-245bed0090f8" xlink:to="loc_srt_SafeguardingLiabilityPlatformOperatorCryptoAsset_29a83a0c-ff28-4838-af3f-5fb72cebdbd9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SafeguardingAssetPlatformOperatorCryptoAsset_e2c931b8-0b3e-4a68-843e-aeae9202f8c4" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SafeguardingAssetPlatformOperatorCryptoAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_PlatformOperatorCryptoAssetLineItems_10162297-5292-4d03-b29a-245bed0090f8" xlink:to="loc_srt_SafeguardingAssetPlatformOperatorCryptoAsset_e2c931b8-0b3e-4a68-843e-aeae9202f8c4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CustodialCashDueToClientsCurrent_9f07dabf-7249-4d27-9715-c6bc47b30c21" xlink:href="coin-20230630.xsd#coin_CustodialCashDueToClientsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_PlatformOperatorCryptoAssetLineItems_10162297-5292-4d03-b29a-245bed0090f8" xlink:to="loc_coin_CustodialCashDueToClientsCurrent_9f07dabf-7249-4d27-9715-c6bc47b30c21" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_PlatformOperatorCryptoAssetTable_2c5596f9-e721-4cef-99d3-fcf6eec960ad" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_PlatformOperatorCryptoAssetTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_srt_PlatformOperatorCryptoAssetLineItems_10162297-5292-4d03-b29a-245bed0090f8" xlink:to="loc_srt_PlatformOperatorCryptoAssetTable_2c5596f9-e721-4cef-99d3-fcf6eec960ad" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_a8c0577a-5000-464d-a5f1-8ea03ac88cfa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_srt_PlatformOperatorCryptoAssetTable_2c5596f9-e721-4cef-99d3-fcf6eec960ad" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_a8c0577a-5000-464d-a5f1-8ea03ac88cfa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_a8c0577a-5000-464d-a5f1-8ea03ac88cfa_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_a8c0577a-5000-464d-a5f1-8ea03ac88cfa" xlink:to="loc_us-gaap_RelatedPartyDomain_a8c0577a-5000-464d-a5f1-8ea03ac88cfa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_57576585-0d2d-4bce-be49-f2fb5ee76e94" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_a8c0577a-5000-464d-a5f1-8ea03ac88cfa" xlink:to="loc_us-gaap_RelatedPartyDomain_57576585-0d2d-4bce-be49-f2fb5ee76e94" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_59a32a96-7cd0-4a62-a007-01f4d3de04be" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_57576585-0d2d-4bce-be49-f2fb5ee76e94" xlink:to="loc_us-gaap_RelatedPartyMember_59a32a96-7cd0-4a62-a007-01f4d3de04be" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/CUSTOMERASSETSANDLIABILITIESFairValueofCustomerCryptoAssetsDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#CUSTOMERASSETSANDLIABILITIESFairValueofCustomerCryptoAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/CUSTOMERASSETSANDLIABILITIESFairValueofCustomerCryptoAssetsDetails" xlink:type="extended" id="i20588099af6046cca53afe38d3d53634_CUSTOMERASSETSANDLIABILITIESFairValueofCustomerCryptoAssetsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptocurrencyByTypeLineItems_27c469d2-f3f9-43ca-a92d-3c92f8a701f1" xlink:href="coin-20230630.xsd#coin_CryptocurrencyByTypeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SafeguardingAssetPlatformOperatorCryptoAsset_adcdb603-b9f9-4b66-a5a1-497c5b2c449f" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SafeguardingAssetPlatformOperatorCryptoAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_coin_CryptocurrencyByTypeLineItems_27c469d2-f3f9-43ca-a92d-3c92f8a701f1" xlink:to="loc_srt_SafeguardingAssetPlatformOperatorCryptoAsset_adcdb603-b9f9-4b66-a5a1-497c5b2c449f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_SafeguardingAssetPlatformOperatorCryptoAssetPercentageOfTotal_338da89a-2deb-4373-86bb-73fa6d4ce7e7" xlink:href="coin-20230630.xsd#coin_SafeguardingAssetPlatformOperatorCryptoAssetPercentageOfTotal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_coin_CryptocurrencyByTypeLineItems_27c469d2-f3f9-43ca-a92d-3c92f8a701f1" xlink:to="loc_coin_SafeguardingAssetPlatformOperatorCryptoAssetPercentageOfTotal_338da89a-2deb-4373-86bb-73fa6d4ce7e7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_PlatformOperatorCryptoAssetTable_4cbe8eee-86d7-4cf7-b3db-cfcf9d60540c" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_PlatformOperatorCryptoAssetTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_coin_CryptocurrencyByTypeLineItems_27c469d2-f3f9-43ca-a92d-3c92f8a701f1" xlink:to="loc_srt_PlatformOperatorCryptoAssetTable_4cbe8eee-86d7-4cf7-b3db-cfcf9d60540c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CryptoAssetAxis_06112708-c36b-48fd-8eac-81db329f546f" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CryptoAssetAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_srt_PlatformOperatorCryptoAssetTable_4cbe8eee-86d7-4cf7-b3db-cfcf9d60540c" xlink:to="loc_srt_CryptoAssetAxis_06112708-c36b-48fd-8eac-81db329f546f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CryptoAssetDomain_06112708-c36b-48fd-8eac-81db329f546f_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CryptoAssetDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CryptoAssetAxis_06112708-c36b-48fd-8eac-81db329f546f" xlink:to="loc_srt_CryptoAssetDomain_06112708-c36b-48fd-8eac-81db329f546f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CryptoAssetDomain_8e9723fa-c413-4a0b-ac8c-12dc38f415ce" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CryptoAssetDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CryptoAssetAxis_06112708-c36b-48fd-8eac-81db329f546f" xlink:to="loc_srt_CryptoAssetDomain_8e9723fa-c413-4a0b-ac8c-12dc38f415ce" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_BitcoinMember_ce516adc-9cfc-4d49-be2d-3c2b541e359f" xlink:href="coin-20230630.xsd#coin_BitcoinMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CryptoAssetDomain_8e9723fa-c413-4a0b-ac8c-12dc38f415ce" xlink:to="loc_coin_BitcoinMember_ce516adc-9cfc-4d49-be2d-3c2b541e359f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_EthereumMember_2192c623-1121-41fd-9c1c-3fedd75f75ad" xlink:href="coin-20230630.xsd#coin_EthereumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CryptoAssetDomain_8e9723fa-c413-4a0b-ac8c-12dc38f415ce" xlink:to="loc_coin_EthereumMember_2192c623-1121-41fd-9c1c-3fedd75f75ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_USDCMember_4933e308-14f4-410c-ba2e-4f3b41fccee5" xlink:href="coin-20230630.xsd#coin_USDCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CryptoAssetDomain_8e9723fa-c413-4a0b-ac8c-12dc38f415ce" xlink:to="loc_coin_USDCMember_4933e308-14f4-410c-ba2e-4f3b41fccee5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CryptoAssetOtherMember_99122c08-9f47-4cbc-b535-3ce59800593e" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CryptoAssetOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CryptoAssetDomain_8e9723fa-c413-4a0b-ac8c-12dc38f415ce" xlink:to="loc_srt_CryptoAssetOtherMember_99122c08-9f47-4cbc-b535-3ce59800593e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_Ethereum2Member_d5e6884a-5152-4231-923b-d13cb4e4b3e6" xlink:href="coin-20230630.xsd#coin_Ethereum2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CryptoAssetDomain_8e9723fa-c413-4a0b-ac8c-12dc38f415ce" xlink:to="loc_coin_Ethereum2Member_d5e6884a-5152-4231-923b-d13cb4e4b3e6" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/PREPAIDEXPENSESANDOTHERASSETSNarrativeDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#PREPAIDEXPENSESANDOTHERASSETSNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/PREPAIDEXPENSESANDOTHERASSETSNarrativeDetails" xlink:type="extended" id="i3863d5f95d40453e89182ec022d47495_PREPAIDEXPENSESANDOTHERASSETSNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_3a3d635c-6c2a-49bd-8003-3bb338273304" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount_915b1e83-12bb-44b2-9381-549881b4416a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_3a3d635c-6c2a-49bd-8003-3bb338273304" xlink:to="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount_915b1e83-12bb-44b2-9381-549881b4416a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAndDownwardPriceAdjustmentCumulativeAmount_6e6d50ac-fbbc-49df-9e5b-e1eaea828873" xlink:href="coin-20230630.xsd#coin_EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAndDownwardPriceAdjustmentCumulativeAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_3a3d635c-6c2a-49bd-8003-3bb338273304" xlink:to="loc_coin_EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAndDownwardPriceAdjustmentCumulativeAmount_6e6d50ac-fbbc-49df-9e5b-e1eaea828873" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireMarketableSecurities_a1b5e185-e9e3-41c1-bad4-5ffea59c75e8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireMarketableSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_3a3d635c-6c2a-49bd-8003-3bb338273304" xlink:to="loc_us-gaap_PaymentsToAcquireMarketableSecurities_a1b5e185-e9e3-41c1-bad4-5ffea59c75e8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_6191a54f-da87-4aca-bc1d-2b68ff496da0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_3a3d635c-6c2a-49bd-8003-3bb338273304" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_6191a54f-da87-4aca-bc1d-2b68ff496da0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_9f3905f0-16ad-4ca6-a52e-99d7438f82dc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_6191a54f-da87-4aca-bc1d-2b68ff496da0" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_9f3905f0-16ad-4ca6-a52e-99d7438f82dc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_9f3905f0-16ad-4ca6-a52e-99d7438f82dc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_9f3905f0-16ad-4ca6-a52e-99d7438f82dc" xlink:to="loc_us-gaap_RelatedPartyDomain_9f3905f0-16ad-4ca6-a52e-99d7438f82dc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_edd619a3-ecd0-43f2-b880-ea2166bd1188" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_9f3905f0-16ad-4ca6-a52e-99d7438f82dc" xlink:to="loc_us-gaap_RelatedPartyDomain_edd619a3-ecd0-43f2-b880-ea2166bd1188" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_d955523a-2021-4157-9d08-56b127436d08" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_edd619a3-ecd0-43f2-b880-ea2166bd1188" xlink:to="loc_us-gaap_RelatedPartyMember_d955523a-2021-4157-9d08-56b127436d08" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/ACCRUEDEXPENSESANDOTHERCURRENTLIABILITIESNarrativeDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#ACCRUEDEXPENSESANDOTHERCURRENTLIABILITIESNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/ACCRUEDEXPENSESANDOTHERCURRENTLIABILITIESNarrativeDetails" xlink:type="extended" id="i56736880f5824594bd29932f43618337_ACCRUEDEXPENSESANDOTHERCURRENTLIABILITIESNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_coin_AccruedExpensesLineItems_6374e033-f4fe-4690-9e61-e76f77df2626" xlink:href="coin-20230630.xsd#coin_AccruedExpensesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_24362086-d261-4b50-9ce8-d367b138f471" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_coin_AccruedExpensesLineItems_6374e033-f4fe-4690-9e61-e76f77df2626" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_24362086-d261-4b50-9ce8-d367b138f471" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_f8faa7b6-5e62-43cd-ae08-fea831af7b2d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShortTermBorrowings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_coin_AccruedExpensesLineItems_6374e033-f4fe-4690-9e61-e76f77df2626" xlink:to="loc_us-gaap_ShortTermBorrowings_f8faa7b6-5e62-43cd-ae08-fea831af7b2d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfShortTermDebt_49412d98-cf4b-4899-a2a4-912b7d1e8429" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RepaymentsOfShortTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_coin_AccruedExpensesLineItems_6374e033-f4fe-4690-9e61-e76f77df2626" xlink:to="loc_us-gaap_RepaymentsOfShortTermDebt_49412d98-cf4b-4899-a2a4-912b7d1e8429" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_AssetsPledgedAsCollateralPercentageOfFairValue_2aa57d60-81fc-49ae-8e1e-f8e7a882a83d" xlink:href="coin-20230630.xsd#coin_AssetsPledgedAsCollateralPercentageOfFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_coin_AccruedExpensesLineItems_6374e033-f4fe-4690-9e61-e76f77df2626" xlink:to="loc_coin_AssetsPledgedAsCollateralPercentageOfFairValue_2aa57d60-81fc-49ae-8e1e-f8e7a882a83d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_AccruedExpensesTable_ed14009c-4da8-4f4b-893f-f16c2c51e144" xlink:href="coin-20230630.xsd#coin_AccruedExpensesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_coin_AccruedExpensesLineItems_6374e033-f4fe-4690-9e61-e76f77df2626" xlink:to="loc_coin_AccruedExpensesTable_ed14009c-4da8-4f4b-893f-f16c2c51e144" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_262e759c-75d4-4131-9d69-6c7f68111b4d" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_coin_AccruedExpensesTable_ed14009c-4da8-4f4b-893f-f16c2c51e144" xlink:to="loc_srt_RangeAxis_262e759c-75d4-4131-9d69-6c7f68111b4d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_262e759c-75d4-4131-9d69-6c7f68111b4d_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_262e759c-75d4-4131-9d69-6c7f68111b4d" xlink:to="loc_srt_RangeMember_262e759c-75d4-4131-9d69-6c7f68111b4d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_0e8fab63-c529-4165-a35f-28bb2b2b6eb0" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_262e759c-75d4-4131-9d69-6c7f68111b4d" xlink:to="loc_srt_RangeMember_0e8fab63-c529-4165-a35f-28bb2b2b6eb0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_a91d318b-df62-4ac1-abc0-cc8fa431bb27" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_0e8fab63-c529-4165-a35f-28bb2b2b6eb0" xlink:to="loc_srt_MinimumMember_a91d318b-df62-4ac1-abc0-cc8fa431bb27" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_1f2413c8-ddcc-466d-9b75-d8c982d186c2" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_0e8fab63-c529-4165-a35f-28bb2b2b6eb0" xlink:to="loc_srt_MaximumMember_1f2413c8-ddcc-466d-9b75-d8c982d186c2" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/COLLATERALSummaryofCollateralPositionsDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#COLLATERALSummaryofCollateralPositionsDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/COLLATERALSummaryofCollateralPositionsDetails" xlink:type="extended" id="ief6677213d3a44a29480c41837b56dcf_COLLATERALSummaryofCollateralPositionsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_6bf5d1c6-a51b-40f7-86b2-039fbd2928f4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_AssetsPledgedAsCollateralPercentageOfFairValue_c4e048f3-4aa4-4d3f-996d-568a046d00d3" xlink:href="coin-20230630.xsd#coin_AssetsPledgedAsCollateralPercentageOfFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_6bf5d1c6-a51b-40f7-86b2-039fbd2928f4" xlink:to="loc_coin_AssetsPledgedAsCollateralPercentageOfFairValue_c4e048f3-4aa4-4d3f-996d-568a046d00d3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_e198c584-fcb4-41c1-90dc-5dad3daf76e9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_6bf5d1c6-a51b-40f7-86b2-039fbd2928f4" xlink:to="loc_us-gaap_Assets_e198c584-fcb4-41c1-90dc-5dad3daf76e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability_2941445c-8dfc-4d28-afa7-ece19ed94980" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_6bf5d1c6-a51b-40f7-86b2-039fbd2928f4" xlink:to="loc_us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability_2941445c-8dfc-4d28-afa7-ece19ed94980" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_0f0e00f2-c7e1-4b39-9bcf-0706770b3de9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_6bf5d1c6-a51b-40f7-86b2-039fbd2928f4" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_0f0e00f2-c7e1-4b39-9bcf-0706770b3de9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_23c10d64-ba4d-4fff-aa9d-4de08f8522e2" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_0f0e00f2-c7e1-4b39-9bcf-0706770b3de9" xlink:to="loc_srt_RangeAxis_23c10d64-ba4d-4fff-aa9d-4de08f8522e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_23c10d64-ba4d-4fff-aa9d-4de08f8522e2_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_23c10d64-ba4d-4fff-aa9d-4de08f8522e2" xlink:to="loc_srt_RangeMember_23c10d64-ba4d-4fff-aa9d-4de08f8522e2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_ee57c6fd-5f8b-4249-8f7b-a1f0d70c05ec" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_23c10d64-ba4d-4fff-aa9d-4de08f8522e2" xlink:to="loc_srt_RangeMember_ee57c6fd-5f8b-4249-8f7b-a1f0d70c05ec" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_6a2b4176-2429-468c-82e3-aed4f1e3ad7f" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_ee57c6fd-5f8b-4249-8f7b-a1f0d70c05ec" xlink:to="loc_srt_MinimumMember_6a2b4176-2429-468c-82e3-aed4f1e3ad7f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_c18fd44e-bd33-4be1-90b5-a2a0c710ab57" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_ee57c6fd-5f8b-4249-8f7b-a1f0d70c05ec" xlink:to="loc_srt_MaximumMember_c18fd44e-bd33-4be1-90b5-a2a0c710ab57" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PledgedStatusAxis_2b0da6d7-d7e5-46d1-b2da-db8d334e43c2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PledgedStatusAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_0f0e00f2-c7e1-4b39-9bcf-0706770b3de9" xlink:to="loc_us-gaap_PledgedStatusAxis_2b0da6d7-d7e5-46d1-b2da-db8d334e43c2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PledgedStatusDomain_2b0da6d7-d7e5-46d1-b2da-db8d334e43c2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PledgedStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PledgedStatusAxis_2b0da6d7-d7e5-46d1-b2da-db8d334e43c2" xlink:to="loc_us-gaap_PledgedStatusDomain_2b0da6d7-d7e5-46d1-b2da-db8d334e43c2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PledgedStatusDomain_2992fe24-494d-4c88-9e32-8430f60bbd51" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PledgedStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PledgedStatusAxis_2b0da6d7-d7e5-46d1-b2da-db8d334e43c2" xlink:to="loc_us-gaap_PledgedStatusDomain_2992fe24-494d-4c88-9e32-8430f60bbd51" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetPledgedAsCollateralWithoutRightMember_1e097ef4-dbd6-4797-b8bc-b105de18b52b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetPledgedAsCollateralWithoutRightMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PledgedStatusDomain_2992fe24-494d-4c88-9e32-8430f60bbd51" xlink:to="loc_us-gaap_AssetPledgedAsCollateralWithoutRightMember_1e097ef4-dbd6-4797-b8bc-b105de18b52b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/COLLATERALScheduleofCollateralPostedandReceivedDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#COLLATERALScheduleofCollateralPostedandReceivedDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/COLLATERALScheduleofCollateralPostedandReceivedDetails" xlink:type="extended" id="idf380321f62846b996f44f0943d84c1c_COLLATERALScheduleofCollateralPostedandReceivedDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3c9c8023-08f6-4beb-b6b1-3ba8364bf265" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_AssetsPledgedAsCollateralUnits_815d761f-a307-497d-8cd6-3673bb909cd8" xlink:href="coin-20230630.xsd#coin_AssetsPledgedAsCollateralUnits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3c9c8023-08f6-4beb-b6b1-3ba8364bf265" xlink:to="loc_coin_AssetsPledgedAsCollateralUnits_815d761f-a307-497d-8cd6-3673bb909cd8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_c86cfb3b-91e4-41bf-b6d0-7c63adab0ca5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3c9c8023-08f6-4beb-b6b1-3ba8364bf265" xlink:to="loc_us-gaap_Assets_c86cfb3b-91e4-41bf-b6d0-7c63adab0ca5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_ObligationToReturnCollateralUnits_a9acac51-8317-4f53-8f33-781fc0a963be" xlink:href="coin-20230630.xsd#coin_ObligationToReturnCollateralUnits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3c9c8023-08f6-4beb-b6b1-3ba8364bf265" xlink:to="loc_coin_ObligationToReturnCollateralUnits_a9acac51-8317-4f53-8f33-781fc0a963be" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ObligationToReturnSecuritiesReceivedAsCollateral_6d8247d9-fe48-4780-ad35-9a232713c3b6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ObligationToReturnSecuritiesReceivedAsCollateral"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3c9c8023-08f6-4beb-b6b1-3ba8364bf265" xlink:to="loc_us-gaap_ObligationToReturnSecuritiesReceivedAsCollateral_6d8247d9-fe48-4780-ad35-9a232713c3b6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_SecuritiesLoanedFairValueOfCollateralPercent_492feab2-b228-4c92-98fc-ceec829942bf" xlink:href="coin-20230630.xsd#coin_SecuritiesLoanedFairValueOfCollateralPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3c9c8023-08f6-4beb-b6b1-3ba8364bf265" xlink:to="loc_coin_SecuritiesLoanedFairValueOfCollateralPercent_492feab2-b228-4c92-98fc-ceec829942bf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_1dc80f9a-e294-4630-a57b-c709393fe5df" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3c9c8023-08f6-4beb-b6b1-3ba8364bf265" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_1dc80f9a-e294-4630-a57b-c709393fe5df" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CryptoAssetAxis_427c37a7-ed31-405f-9332-6fa38739aaed" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CryptoAssetAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_1dc80f9a-e294-4630-a57b-c709393fe5df" xlink:to="loc_srt_CryptoAssetAxis_427c37a7-ed31-405f-9332-6fa38739aaed" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CryptoAssetDomain_427c37a7-ed31-405f-9332-6fa38739aaed_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CryptoAssetDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CryptoAssetAxis_427c37a7-ed31-405f-9332-6fa38739aaed" xlink:to="loc_srt_CryptoAssetDomain_427c37a7-ed31-405f-9332-6fa38739aaed_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CryptoAssetDomain_346e6669-858e-4f94-849e-87aeac5c34bb" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CryptoAssetDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CryptoAssetAxis_427c37a7-ed31-405f-9332-6fa38739aaed" xlink:to="loc_srt_CryptoAssetDomain_346e6669-858e-4f94-849e-87aeac5c34bb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_USDCMember_9554be57-8867-455f-b686-dea125b93e04" xlink:href="coin-20230630.xsd#coin_USDCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CryptoAssetDomain_346e6669-858e-4f94-849e-87aeac5c34bb" xlink:to="loc_coin_USDCMember_9554be57-8867-455f-b686-dea125b93e04" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_BitcoinMember_cdcc0679-6718-499b-9733-5e2a87ac09af" xlink:href="coin-20230630.xsd#coin_BitcoinMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CryptoAssetDomain_346e6669-858e-4f94-849e-87aeac5c34bb" xlink:to="loc_coin_BitcoinMember_cdcc0679-6718-499b-9733-5e2a87ac09af" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_FiatMember_9db7e632-f003-4e52-95a9-8ddf54875f5c" xlink:href="coin-20230630.xsd#coin_FiatMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CryptoAssetDomain_346e6669-858e-4f94-849e-87aeac5c34bb" xlink:to="loc_coin_FiatMember_9db7e632-f003-4e52-95a9-8ddf54875f5c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PledgedStatusAxis_dde15aa1-b969-4eec-a82e-26ed7b13e804" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PledgedStatusAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_1dc80f9a-e294-4630-a57b-c709393fe5df" xlink:to="loc_us-gaap_PledgedStatusAxis_dde15aa1-b969-4eec-a82e-26ed7b13e804" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PledgedStatusDomain_dde15aa1-b969-4eec-a82e-26ed7b13e804_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PledgedStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PledgedStatusAxis_dde15aa1-b969-4eec-a82e-26ed7b13e804" xlink:to="loc_us-gaap_PledgedStatusDomain_dde15aa1-b969-4eec-a82e-26ed7b13e804_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PledgedStatusDomain_3abf433f-af6d-4b18-b5ae-7f244e59a051" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PledgedStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PledgedStatusAxis_dde15aa1-b969-4eec-a82e-26ed7b13e804" xlink:to="loc_us-gaap_PledgedStatusDomain_3abf433f-af6d-4b18-b5ae-7f244e59a051" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetPledgedAsCollateralMember_456b7f94-ff1c-4d53-b144-b0e5628e4559" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetPledgedAsCollateralMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PledgedStatusDomain_3abf433f-af6d-4b18-b5ae-7f244e59a051" xlink:to="loc_us-gaap_AssetPledgedAsCollateralMember_456b7f94-ff1c-4d53-b144-b0e5628e4559" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CollateralAxis_cc6ee176-0f26-4978-b309-2a71e3b376e6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CollateralAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_1dc80f9a-e294-4630-a57b-c709393fe5df" xlink:to="loc_us-gaap_CollateralAxis_cc6ee176-0f26-4978-b309-2a71e3b376e6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CollateralDomain_cc6ee176-0f26-4978-b309-2a71e3b376e6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CollateralDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CollateralAxis_cc6ee176-0f26-4978-b309-2a71e3b376e6" xlink:to="loc_us-gaap_CollateralDomain_cc6ee176-0f26-4978-b309-2a71e3b376e6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CollateralDomain_56af4e28-8a41-4788-8551-16d48a3dad06" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CollateralDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CollateralAxis_cc6ee176-0f26-4978-b309-2a71e3b376e6" xlink:to="loc_us-gaap_CollateralDomain_56af4e28-8a41-4788-8551-16d48a3dad06" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_USDCMember_5eccb05a-35b0-4f7e-a2fa-3cbcf45f964b" xlink:href="coin-20230630.xsd#coin_USDCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CollateralDomain_56af4e28-8a41-4788-8551-16d48a3dad06" xlink:to="loc_coin_USDCMember_5eccb05a-35b0-4f7e-a2fa-3cbcf45f964b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_BitcoinMember_ac5fe059-f16b-42b8-94c0-671b89480d35" xlink:href="coin-20230630.xsd#coin_BitcoinMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CollateralDomain_56af4e28-8a41-4788-8551-16d48a3dad06" xlink:to="loc_coin_BitcoinMember_ac5fe059-f16b-42b8-94c0-671b89480d35" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/INDEBTEDNESSScheduleofLongTermDebtDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#INDEBTEDNESSScheduleofLongTermDebtDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/INDEBTEDNESSScheduleofLongTermDebtDetails" xlink:type="extended" id="id0432f46e07e47dcaf2326dd850ebccd_INDEBTEDNESSScheduleofLongTermDebtDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_b1251a1a-a5f4-4f60-bebd-c48102083702" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_cd230ba3-f716-44ac-863d-d0606c791919" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b1251a1a-a5f4-4f60-bebd-c48102083702" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_cd230ba3-f716-44ac-863d-d0606c791919" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_4ef0308e-274a-4c92-9a4e-8e514f709c9f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b1251a1a-a5f4-4f60-bebd-c48102083702" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_4ef0308e-274a-4c92-9a4e-8e514f709c9f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_57c6aafb-f0e8-4b0f-98b3-e656a0709c0d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b1251a1a-a5f4-4f60-bebd-c48102083702" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_57c6aafb-f0e8-4b0f-98b3-e656a0709c0d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_f9b0378e-82de-47d7-8002-859a63016817" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b1251a1a-a5f4-4f60-bebd-c48102083702" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_f9b0378e-82de-47d7-8002-859a63016817" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_407c19c8-69cb-4f2e-a72c-5bdcd226d0d2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b1251a1a-a5f4-4f60-bebd-c48102083702" xlink:to="loc_us-gaap_LongTermDebt_407c19c8-69cb-4f2e-a72c-5bdcd226d0d2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_b2ebf67f-f7c1-48c4-87b3-f87ee9d0ff8e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b1251a1a-a5f4-4f60-bebd-c48102083702" xlink:to="loc_us-gaap_DebtInstrumentTable_b2ebf67f-f7c1-48c4-87b3-f87ee9d0ff8e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_c32a7453-0fb1-4d5d-9c15-ca8cec16ecd0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_b2ebf67f-f7c1-48c4-87b3-f87ee9d0ff8e" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_c32a7453-0fb1-4d5d-9c15-ca8cec16ecd0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_c32a7453-0fb1-4d5d-9c15-ca8cec16ecd0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_c32a7453-0fb1-4d5d-9c15-ca8cec16ecd0" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_c32a7453-0fb1-4d5d-9c15-ca8cec16ecd0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_42fb5369-99c1-4790-9150-db00baaf629d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_c32a7453-0fb1-4d5d-9c15-ca8cec16ecd0" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_42fb5369-99c1-4790-9150-db00baaf629d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_03796eb6-20ef-4e7a-8a53-d7cab7be0e9e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_42fb5369-99c1-4790-9150-db00baaf629d" xlink:to="loc_us-gaap_ConvertibleDebtMember_03796eb6-20ef-4e7a-8a53-d7cab7be0e9e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_bb98e420-58b5-4458-a22a-b2e64e0b475d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_42fb5369-99c1-4790-9150-db00baaf629d" xlink:to="loc_us-gaap_SeniorNotesMember_bb98e420-58b5-4458-a22a-b2e64e0b475d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_16113b3d-7ad0-434d-a493-534c65fa1fe0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_b2ebf67f-f7c1-48c4-87b3-f87ee9d0ff8e" xlink:to="loc_us-gaap_DebtInstrumentAxis_16113b3d-7ad0-434d-a493-534c65fa1fe0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_16113b3d-7ad0-434d-a493-534c65fa1fe0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_16113b3d-7ad0-434d-a493-534c65fa1fe0" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_16113b3d-7ad0-434d-a493-534c65fa1fe0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_73e4d279-db8a-457a-9186-f2726d40b35e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_16113b3d-7ad0-434d-a493-534c65fa1fe0" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_73e4d279-db8a-457a-9186-f2726d40b35e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_ConvertibleSeniorNotesDue2026Member_7bdedf7c-e110-4790-b6a5-5a77fd3b12fd" xlink:href="coin-20230630.xsd#coin_ConvertibleSeniorNotesDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_73e4d279-db8a-457a-9186-f2726d40b35e" xlink:to="loc_coin_ConvertibleSeniorNotesDue2026Member_7bdedf7c-e110-4790-b6a5-5a77fd3b12fd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_SeniorNotesDue2028Member_33eb0e99-f6de-4c95-8bb2-2694a121134c" xlink:href="coin-20230630.xsd#coin_SeniorNotesDue2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_73e4d279-db8a-457a-9186-f2726d40b35e" xlink:to="loc_coin_SeniorNotesDue2028Member_33eb0e99-f6de-4c95-8bb2-2694a121134c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_SeniorNotesDue2031Member_852e083b-caad-4a5d-b0c5-a9a0fd0a5e5e" xlink:href="coin-20230630.xsd#coin_SeniorNotesDue2031Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_73e4d279-db8a-457a-9186-f2726d40b35e" xlink:to="loc_coin_SeniorNotesDue2031Member_852e083b-caad-4a5d-b0c5-a9a0fd0a5e5e" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/INDEBTEDNESSNarrativeDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#INDEBTEDNESSNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/INDEBTEDNESSNarrativeDetails" xlink:type="extended" id="i9a61f100bd474874962376618fbb4016_INDEBTEDNESSNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_693793f4-87a1-447d-9e10-4190e65abe3b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_86b9e609-3997-42b8-964c-bba9af659aa7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_693793f4-87a1-447d-9e10-4190e65abe3b" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_86b9e609-3997-42b8-964c-bba9af659aa7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfConvertibleDebt_e7266e8a-9bd3-471d-9c2f-944e145b149d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RepaymentsOfConvertibleDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_693793f4-87a1-447d-9e10-4190e65abe3b" xlink:to="loc_us-gaap_RepaymentsOfConvertibleDebt_e7266e8a-9bd3-471d-9c2f-944e145b149d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRepurchasedFaceAmount_972d71d4-84d7-4234-87bb-f67319c13767" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentRepurchasedFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_693793f4-87a1-447d-9e10-4190e65abe3b" xlink:to="loc_us-gaap_DebtInstrumentRepurchasedFaceAmount_972d71d4-84d7-4234-87bb-f67319c13767" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRepurchaseAmount_b9edd59a-cc4e-4ccb-bf24-4f5e1ed61353" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentRepurchaseAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_693793f4-87a1-447d-9e10-4190e65abe3b" xlink:to="loc_us-gaap_DebtInstrumentRepurchaseAmount_b9edd59a-cc4e-4ccb-bf24-4f5e1ed61353" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_637421a4-9e9b-409f-96d3-a0d5c372bec1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_693793f4-87a1-447d-9e10-4190e65abe3b" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_637421a4-9e9b-409f-96d3-a0d5c372bec1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_1ac7afdf-ca85-4104-8e1b-dff6adc7aefa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfDebtExtinguishmentCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_693793f4-87a1-447d-9e10-4190e65abe3b" xlink:to="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_1ac7afdf-ca85-4104-8e1b-dff6adc7aefa" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_aa5ce0ec-95f2-48c3-918c-5e8c77dcc70a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_693793f4-87a1-447d-9e10-4190e65abe3b" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_aa5ce0ec-95f2-48c3-918c-5e8c77dcc70a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_86601acf-2244-48c6-80cc-6e8615f38fb9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_693793f4-87a1-447d-9e10-4190e65abe3b" xlink:to="loc_us-gaap_DebtInstrumentTable_86601acf-2244-48c6-80cc-6e8615f38fb9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_0c5f56cb-9c99-4ace-bb54-6bcbd5bd270f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_86601acf-2244-48c6-80cc-6e8615f38fb9" xlink:to="loc_us-gaap_DebtInstrumentAxis_0c5f56cb-9c99-4ace-bb54-6bcbd5bd270f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_0c5f56cb-9c99-4ace-bb54-6bcbd5bd270f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_0c5f56cb-9c99-4ace-bb54-6bcbd5bd270f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_0c5f56cb-9c99-4ace-bb54-6bcbd5bd270f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_87f4eb5e-3468-4d55-8041-028ae440a5b4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_0c5f56cb-9c99-4ace-bb54-6bcbd5bd270f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_87f4eb5e-3468-4d55-8041-028ae440a5b4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_ConvertibleSeniorNotesDue2026Member_986b5e25-43b5-464c-bcc0-660d09996f90" xlink:href="coin-20230630.xsd#coin_ConvertibleSeniorNotesDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_87f4eb5e-3468-4d55-8041-028ae440a5b4" xlink:to="loc_coin_ConvertibleSeniorNotesDue2026Member_986b5e25-43b5-464c-bcc0-660d09996f90" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_SeniorNotesDue2028Member_dda4df35-9e59-4af5-ba07-1dcb397339ea" xlink:href="coin-20230630.xsd#coin_SeniorNotesDue2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_87f4eb5e-3468-4d55-8041-028ae440a5b4" xlink:to="loc_coin_SeniorNotesDue2028Member_dda4df35-9e59-4af5-ba07-1dcb397339ea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_SeniorNotesDue2031Member_7b8939a0-a026-459c-80be-6dddb70eed84" xlink:href="coin-20230630.xsd#coin_SeniorNotesDue2031Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_87f4eb5e-3468-4d55-8041-028ae440a5b4" xlink:to="loc_coin_SeniorNotesDue2031Member_7b8939a0-a026-459c-80be-6dddb70eed84" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_37ed16f4-6488-4a61-a5d1-d6c74f0dda8b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_86601acf-2244-48c6-80cc-6e8615f38fb9" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_37ed16f4-6488-4a61-a5d1-d6c74f0dda8b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_37ed16f4-6488-4a61-a5d1-d6c74f0dda8b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_37ed16f4-6488-4a61-a5d1-d6c74f0dda8b" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_37ed16f4-6488-4a61-a5d1-d6c74f0dda8b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_06fccff0-f6de-409e-b6c5-3ed038b95048" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_37ed16f4-6488-4a61-a5d1-d6c74f0dda8b" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_06fccff0-f6de-409e-b6c5-3ed038b95048" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_98224849-a64a-470e-b92e-80ca016a5fd5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_06fccff0-f6de-409e-b6c5-3ed038b95048" xlink:to="loc_us-gaap_ConvertibleDebtMember_98224849-a64a-470e-b92e-80ca016a5fd5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_ce22937e-290c-4624-8dec-30a2d552ff14" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_06fccff0-f6de-409e-b6c5-3ed038b95048" xlink:to="loc_us-gaap_SeniorNotesMember_ce22937e-290c-4624-8dec-30a2d552ff14" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/DERIVATIVESScheduleofnotionalamountofderivativecontractsoutstandingDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#DERIVATIVESScheduleofnotionalamountofderivativecontractsoutstandingDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/DERIVATIVESScheduleofnotionalamountofderivativecontractsoutstandingDetails" xlink:type="extended" id="ia7d75cdfb30940b4bb3d3b21a2709bd8_DERIVATIVESScheduleofnotionalamountofderivativecontractsoutstandingDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_7321a14e-892d-40db-ab2f-10ce0fe7d205" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_be442a83-95ab-48b6-9391-d384c288b9e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_7321a14e-892d-40db-ab2f-10ce0fe7d205" xlink:to="loc_us-gaap_DerivativeNotionalAmount_be442a83-95ab-48b6-9391-d384c288b9e0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_6d93b61e-b793-427b-9dbf-d61d2868448b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_7321a14e-892d-40db-ab2f-10ce0fe7d205" xlink:to="loc_us-gaap_DerivativeTable_6d93b61e-b793-427b-9dbf-d61d2868448b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_e0dbfd3b-6bcc-4510-9840-f029e4a80535" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_6d93b61e-b793-427b-9dbf-d61d2868448b" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_e0dbfd3b-6bcc-4510-9840-f029e4a80535" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_e0dbfd3b-6bcc-4510-9840-f029e4a80535_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_e0dbfd3b-6bcc-4510-9840-f029e4a80535" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_e0dbfd3b-6bcc-4510-9840-f029e4a80535_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_5a7111c6-d5df-40d8-bf33-6e4615bdf1ce" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_e0dbfd3b-6bcc-4510-9840-f029e4a80535" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_5a7111c6-d5df-40d8-bf33-6e4615bdf1ce" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_EmbeddedDerivativeFinancialInstrumentsCryptoAssetBorrowingsMember_ff8c6ed1-f9d0-4bf0-b79c-032a33d73e9e" xlink:href="coin-20230630.xsd#coin_EmbeddedDerivativeFinancialInstrumentsCryptoAssetBorrowingsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_5a7111c6-d5df-40d8-bf33-6e4615bdf1ce" xlink:to="loc_coin_EmbeddedDerivativeFinancialInstrumentsCryptoAssetBorrowingsMember_ff8c6ed1-f9d0-4bf0-b79c-032a33d73e9e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptoAssetFuturesMember_54b1defc-e060-4873-8e99-b92bf1b2eada" xlink:href="coin-20230630.xsd#coin_CryptoAssetFuturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_5a7111c6-d5df-40d8-bf33-6e4615bdf1ce" xlink:to="loc_coin_CryptoAssetFuturesMember_54b1defc-e060-4873-8e99-b92bf1b2eada" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_AccountsReceivableDenominatedInCryptoAssetsMember_8f0804d6-6dda-4c41-8feb-55ef953d2cf8" xlink:href="coin-20230630.xsd#coin_AccountsReceivableDenominatedInCryptoAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_5a7111c6-d5df-40d8-bf33-6e4615bdf1ce" xlink:to="loc_coin_AccountsReceivableDenominatedInCryptoAssetsMember_8f0804d6-6dda-4c41-8feb-55ef953d2cf8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_OtherPayablesDenominatedInCryptoAssetsMember_4ccba9d5-b37a-44c6-8521-136152404f12" xlink:href="coin-20230630.xsd#coin_OtherPayablesDenominatedInCryptoAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_5a7111c6-d5df-40d8-bf33-6e4615bdf1ce" xlink:to="loc_coin_OtherPayablesDenominatedInCryptoAssetsMember_4ccba9d5-b37a-44c6-8521-136152404f12" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptoAssetsPledgedAsCollateralMember_e36032d5-ead0-4d9d-a2e7-45efcbb145a5" xlink:href="coin-20230630.xsd#coin_CryptoAssetsPledgedAsCollateralMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_5a7111c6-d5df-40d8-bf33-6e4615bdf1ce" xlink:to="loc_coin_CryptoAssetsPledgedAsCollateralMember_e36032d5-ead0-4d9d-a2e7-45efcbb145a5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherContractMember_a03149c2-0903-4afe-9d75-3ed5c4612826" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_5a7111c6-d5df-40d8-bf33-6e4615bdf1ce" xlink:to="loc_us-gaap_OtherContractMember_a03149c2-0903-4afe-9d75-3ed5c4612826" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_f061f16f-c115-4e32-b9be-918497cbb729" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_6d93b61e-b793-427b-9dbf-d61d2868448b" xlink:to="loc_us-gaap_HedgingDesignationAxis_f061f16f-c115-4e32-b9be-918497cbb729" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_f061f16f-c115-4e32-b9be-918497cbb729_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_f061f16f-c115-4e32-b9be-918497cbb729" xlink:to="loc_us-gaap_HedgingDesignationDomain_f061f16f-c115-4e32-b9be-918497cbb729_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_3cbd7c3b-f3eb-4638-8298-e2273084045d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_f061f16f-c115-4e32-b9be-918497cbb729" xlink:to="loc_us-gaap_HedgingDesignationDomain_3cbd7c3b-f3eb-4638-8298-e2273084045d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_cc82e17b-7450-4155-99a8-4381ed4ba681" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_3cbd7c3b-f3eb-4638-8298-e2273084045d" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_cc82e17b-7450-4155-99a8-4381ed4ba681" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_a97b657a-1081-4839-9db5-3386a4c2d778" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_3cbd7c3b-f3eb-4638-8298-e2273084045d" xlink:to="loc_us-gaap_NondesignatedMember_a97b657a-1081-4839-9db5-3386a4c2d778" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/DERIVATIVESScheduleofderivativeassetsandliabilitiesDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#DERIVATIVESScheduleofderivativeassetsandliabilitiesDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/DERIVATIVESScheduleofderivativeassetsandliabilitiesDetails" xlink:type="extended" id="i31dc0f7694914151bc69214099e88cbc_DERIVATIVESScheduleofderivativeassetsandliabilitiesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_3da1557f-7bca-423b-b151-0a4600ba4164" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_9c1784fd-5c4e-4380-b7f5-7f9d8a9e46ea" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_3da1557f-7bca-423b-b151-0a4600ba4164" xlink:to="loc_us-gaap_DerivativeAssets_9c1784fd-5c4e-4380-b7f5-7f9d8a9e46ea" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_fbaf8723-7217-40e2-90be-1171c169d5cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_3da1557f-7bca-423b-b151-0a4600ba4164" xlink:to="loc_us-gaap_DerivativeLiabilities_fbaf8723-7217-40e2-90be-1171c169d5cf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptoAssetFeeOnBorrowings_b897fe05-8c3f-4aad-a5d7-91017d06da38" xlink:href="coin-20230630.xsd#coin_CryptoAssetFeeOnBorrowings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_3da1557f-7bca-423b-b151-0a4600ba4164" xlink:to="loc_coin_CryptoAssetFeeOnBorrowings_b897fe05-8c3f-4aad-a5d7-91017d06da38" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_DerivativeInstrumentFeeInCryptoAssets_eeddcbe8-e242-4441-981b-7fa03a8ca542" xlink:href="coin-20230630.xsd#coin_DerivativeInstrumentFeeInCryptoAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_3da1557f-7bca-423b-b151-0a4600ba4164" xlink:to="loc_coin_DerivativeInstrumentFeeInCryptoAssets_eeddcbe8-e242-4441-981b-7fa03a8ca542" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_9d10c8af-c034-439a-98f4-4beb37bc4dc7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_3da1557f-7bca-423b-b151-0a4600ba4164" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_9d10c8af-c034-439a-98f4-4beb37bc4dc7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_e2fdfe43-0236-47e8-843c-597b270d4b31" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_9d10c8af-c034-439a-98f4-4beb37bc4dc7" xlink:to="loc_us-gaap_HedgingDesignationAxis_e2fdfe43-0236-47e8-843c-597b270d4b31" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_e2fdfe43-0236-47e8-843c-597b270d4b31_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_e2fdfe43-0236-47e8-843c-597b270d4b31" xlink:to="loc_us-gaap_HedgingDesignationDomain_e2fdfe43-0236-47e8-843c-597b270d4b31_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_b3611968-859a-491b-a56b-ff29d23a1448" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_e2fdfe43-0236-47e8-843c-597b270d4b31" xlink:to="loc_us-gaap_HedgingDesignationDomain_b3611968-859a-491b-a56b-ff29d23a1448" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_31bc84c1-2653-4e0e-be74-71457238c8f8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_b3611968-859a-491b-a56b-ff29d23a1448" xlink:to="loc_us-gaap_NondesignatedMember_31bc84c1-2653-4e0e-be74-71457238c8f8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_8c7ce016-d3bf-4f12-9441-a64f4fcda284" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_b3611968-859a-491b-a56b-ff29d23a1448" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_8c7ce016-d3bf-4f12-9441-a64f4fcda284" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_438359d6-69f4-4fb9-b1c4-f9cabdf71b30" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_9d10c8af-c034-439a-98f4-4beb37bc4dc7" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_438359d6-69f4-4fb9-b1c4-f9cabdf71b30" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_438359d6-69f4-4fb9-b1c4-f9cabdf71b30_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_438359d6-69f4-4fb9-b1c4-f9cabdf71b30" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_438359d6-69f4-4fb9-b1c4-f9cabdf71b30_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_f6c54490-a3c4-4636-93d5-b082d4ec258f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_438359d6-69f4-4fb9-b1c4-f9cabdf71b30" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_f6c54490-a3c4-4636-93d5-b082d4ec258f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_EmbeddedDerivativeFinancialInstrumentsCryptoAssetBorrowingsMember_e5233411-e446-4b52-9590-255ce6fc71e8" xlink:href="coin-20230630.xsd#coin_EmbeddedDerivativeFinancialInstrumentsCryptoAssetBorrowingsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_f6c54490-a3c4-4636-93d5-b082d4ec258f" xlink:to="loc_coin_EmbeddedDerivativeFinancialInstrumentsCryptoAssetBorrowingsMember_e5233411-e446-4b52-9590-255ce6fc71e8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_AccountsReceivableDenominatedInCryptoAssetsMember_fc03414e-3f88-42a0-92ba-11fd42861128" xlink:href="coin-20230630.xsd#coin_AccountsReceivableDenominatedInCryptoAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_f6c54490-a3c4-4636-93d5-b082d4ec258f" xlink:to="loc_coin_AccountsReceivableDenominatedInCryptoAssetsMember_fc03414e-3f88-42a0-92ba-11fd42861128" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_OtherPayablesDenominatedInCryptoAssetsMember_df12b235-feb0-4b56-b8d5-497dffb4e885" xlink:href="coin-20230630.xsd#coin_OtherPayablesDenominatedInCryptoAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_f6c54490-a3c4-4636-93d5-b082d4ec258f" xlink:to="loc_coin_OtherPayablesDenominatedInCryptoAssetsMember_df12b235-feb0-4b56-b8d5-497dffb4e885" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptoAssetsPledgedAsCollateralMember_a7d9720c-eb00-400c-93fc-ac96e5159bca" xlink:href="coin-20230630.xsd#coin_CryptoAssetsPledgedAsCollateralMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_f6c54490-a3c4-4636-93d5-b082d4ec258f" xlink:to="loc_coin_CryptoAssetsPledgedAsCollateralMember_a7d9720c-eb00-400c-93fc-ac96e5159bca" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherContractMember_5c6c5377-fcae-412e-9f87-c527607bb2dd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_f6c54490-a3c4-4636-93d5-b082d4ec258f" xlink:to="loc_us-gaap_OtherContractMember_5c6c5377-fcae-412e-9f87-c527607bb2dd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_df2d31f2-9a85-4189-aa91-0eeae609de9c" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_9d10c8af-c034-439a-98f4-4beb37bc4dc7" xlink:to="loc_srt_RangeAxis_df2d31f2-9a85-4189-aa91-0eeae609de9c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_df2d31f2-9a85-4189-aa91-0eeae609de9c_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_df2d31f2-9a85-4189-aa91-0eeae609de9c" xlink:to="loc_srt_RangeMember_df2d31f2-9a85-4189-aa91-0eeae609de9c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_c7efcfef-3fde-4c5d-8216-6ad2f818e0c3" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_df2d31f2-9a85-4189-aa91-0eeae609de9c" xlink:to="loc_srt_RangeMember_c7efcfef-3fde-4c5d-8216-6ad2f818e0c3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_1b72d82d-4d69-4328-9044-8bddea8cfdb0" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_c7efcfef-3fde-4c5d-8216-6ad2f818e0c3" xlink:to="loc_srt_MinimumMember_1b72d82d-4d69-4328-9044-8bddea8cfdb0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_3a5d932c-28ee-42a5-ae49-98ad7d81397c" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_c7efcfef-3fde-4c5d-8216-6ad2f818e0c3" xlink:to="loc_srt_MaximumMember_3a5d932c-28ee-42a5-ae49-98ad7d81397c" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/DERIVATIVESScheduleofgainslossesrecordedinincomeDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#DERIVATIVESScheduleofgainslossesrecordedinincomeDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/DERIVATIVESScheduleofgainslossesrecordedinincomeDetails" xlink:type="extended" id="i25267d2a627e40e1b44e008bdcbc6e1c_DERIVATIVESScheduleofgainslossesrecordedinincomeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_33d3cd5d-f438-4cc9-9590-f15fee8b2ce1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1_9381bf51-3c2f-4bf1-ba2c-904c15d09a3d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_33d3cd5d-f438-4cc9-9590-f15fee8b2ce1" xlink:to="loc_us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1_9381bf51-3c2f-4bf1-ba2c-904c15d09a3d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1_1fffabeb-2971-44a2-9f2e-cf40ed81f024" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_33d3cd5d-f438-4cc9-9590-f15fee8b2ce1" xlink:to="loc_us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1_1fffabeb-2971-44a2-9f2e-cf40ed81f024" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings_c8eed642-26f4-4be5-9d10-7b30ee401538" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_33d3cd5d-f438-4cc9-9590-f15fee8b2ce1" xlink:to="loc_us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings_c8eed642-26f4-4be5-9d10-7b30ee401538" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_f3f1d7e2-5bf0-4d3f-a76d-77585532aadb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_33d3cd5d-f438-4cc9-9590-f15fee8b2ce1" xlink:to="loc_us-gaap_DerivativeTable_f3f1d7e2-5bf0-4d3f-a76d-77585532aadb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_a1001665-91f4-4082-8b72-bbc076b55beb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_f3f1d7e2-5bf0-4d3f-a76d-77585532aadb" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_a1001665-91f4-4082-8b72-bbc076b55beb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_a1001665-91f4-4082-8b72-bbc076b55beb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_a1001665-91f4-4082-8b72-bbc076b55beb" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_a1001665-91f4-4082-8b72-bbc076b55beb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_46d9868e-1af3-426a-9116-d642645730e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_a1001665-91f4-4082-8b72-bbc076b55beb" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_46d9868e-1af3-426a-9116-d642645730e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_EmbeddedDerivativeFinancialInstrumentsCryptoAssetBorrowingsMember_8704e2fb-46b5-4819-8957-768a3e5f01b6" xlink:href="coin-20230630.xsd#coin_EmbeddedDerivativeFinancialInstrumentsCryptoAssetBorrowingsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_46d9868e-1af3-426a-9116-d642645730e2" xlink:to="loc_coin_EmbeddedDerivativeFinancialInstrumentsCryptoAssetBorrowingsMember_8704e2fb-46b5-4819-8957-768a3e5f01b6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptoAssetFuturesMember_79fa5bba-4f07-478e-8b79-41478ea01632" xlink:href="coin-20230630.xsd#coin_CryptoAssetFuturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_46d9868e-1af3-426a-9116-d642645730e2" xlink:to="loc_coin_CryptoAssetFuturesMember_79fa5bba-4f07-478e-8b79-41478ea01632" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_AccountsReceivableDenominatedInCryptoAssetsMember_f411a1e5-88d8-462a-98cc-2dc31c8b9fe5" xlink:href="coin-20230630.xsd#coin_AccountsReceivableDenominatedInCryptoAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_46d9868e-1af3-426a-9116-d642645730e2" xlink:to="loc_coin_AccountsReceivableDenominatedInCryptoAssetsMember_f411a1e5-88d8-462a-98cc-2dc31c8b9fe5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_OtherPayablesDenominatedInCryptoAssetsMember_99b94070-b071-46f7-b190-a3c4d0784943" xlink:href="coin-20230630.xsd#coin_OtherPayablesDenominatedInCryptoAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_46d9868e-1af3-426a-9116-d642645730e2" xlink:to="loc_coin_OtherPayablesDenominatedInCryptoAssetsMember_99b94070-b071-46f7-b190-a3c4d0784943" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CryptoAssetsPledgedAsCollateralMember_75de28c0-b5cd-4412-b453-8206a71b0fcf" xlink:href="coin-20230630.xsd#coin_CryptoAssetsPledgedAsCollateralMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_46d9868e-1af3-426a-9116-d642645730e2" xlink:to="loc_coin_CryptoAssetsPledgedAsCollateralMember_75de28c0-b5cd-4412-b453-8206a71b0fcf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherContractMember_ec605dba-f829-4888-944d-7d03e3b6659f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_46d9868e-1af3-426a-9116-d642645730e2" xlink:to="loc_us-gaap_OtherContractMember_ec605dba-f829-4888-944d-7d03e3b6659f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_fa616dbb-a5ea-46ca-9a2f-aebd80eec16b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_f3f1d7e2-5bf0-4d3f-a76d-77585532aadb" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_fa616dbb-a5ea-46ca-9a2f-aebd80eec16b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_fa616dbb-a5ea-46ca-9a2f-aebd80eec16b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_fa616dbb-a5ea-46ca-9a2f-aebd80eec16b" xlink:to="loc_us-gaap_HedgingRelationshipDomain_fa616dbb-a5ea-46ca-9a2f-aebd80eec16b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_ee013132-fa8d-48f1-88b9-5b88bfa74753" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_fa616dbb-a5ea-46ca-9a2f-aebd80eec16b" xlink:to="loc_us-gaap_HedgingRelationshipDomain_ee013132-fa8d-48f1-88b9-5b88bfa74753" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_1a44e8d2-c8a5-4cca-b728-cc6138703bae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_ee013132-fa8d-48f1-88b9-5b88bfa74753" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_1a44e8d2-c8a5-4cca-b728-cc6138703bae" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_9a6736df-3057-4feb-adf2-70f157ebf93c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_ee013132-fa8d-48f1-88b9-5b88bfa74753" xlink:to="loc_us-gaap_NondesignatedMember_9a6736df-3057-4feb-adf2-70f157ebf93c" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/FAIRVALUEMEASUREMENTSScheduleoffairvalueofassetsandliabilitiesDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#FAIRVALUEMEASUREMENTSScheduleoffairvalueofassetsandliabilitiesDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/FAIRVALUEMEASUREMENTSScheduleoffairvalueofassetsandliabilitiesDetails" xlink:type="extended" id="ia6ec9f8714994541ae822ecc7de6a77b_FAIRVALUEMEASUREMENTSScheduleoffairvalueofassetsandliabilitiesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ff212692-5356-4987-80d6-6d7b7b74f448" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_0ff0e3e5-7432-4fad-9108-436d7f394f9c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ff212692-5356-4987-80d6-6d7b7b74f448" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_0ff0e3e5-7432-4fad-9108-436d7f394f9c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_ClientCustodialCashFairValueDisclosure_5029bd3b-be3b-4a39-93f5-7c8e4e3ae13c" xlink:href="coin-20230630.xsd#coin_ClientCustodialCashFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ff212692-5356-4987-80d6-6d7b7b74f448" xlink:to="loc_coin_ClientCustodialCashFairValueDisclosure_5029bd3b-be3b-4a39-93f5-7c8e4e3ae13c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_IndefiniteLivedCryptoAssetsFairValueDisclosure_65587d78-359c-4281-b5c4-5cbd07b2a512" xlink:href="coin-20230630.xsd#coin_IndefiniteLivedCryptoAssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ff212692-5356-4987-80d6-6d7b7b74f448" xlink:to="loc_coin_IndefiniteLivedCryptoAssetsFairValueDisclosure_65587d78-359c-4281-b5c4-5cbd07b2a512" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_eca0451c-6c11-40de-86e3-09fe9950bf05" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ff212692-5356-4987-80d6-6d7b7b74f448" xlink:to="loc_us-gaap_DerivativeAssets_eca0451c-6c11-40de-86e3-09fe9950bf05" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_AccountsReceivableBeforeAllowanceForCreditLossCryptoAssetLoanReceivableCurrent_5ed82996-61fc-42ec-83d2-e8454b2dde9b" xlink:href="coin-20230630.xsd#coin_AccountsReceivableBeforeAllowanceForCreditLossCryptoAssetLoanReceivableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ff212692-5356-4987-80d6-6d7b7b74f448" xlink:to="loc_coin_AccountsReceivableBeforeAllowanceForCreditLossCryptoAssetLoanReceivableCurrent_5ed82996-61fc-42ec-83d2-e8454b2dde9b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SafeguardingAssetPlatformOperatorCryptoAsset_05e929b3-14a1-4fe1-9a17-984c645747fd" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SafeguardingAssetPlatformOperatorCryptoAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ff212692-5356-4987-80d6-6d7b7b74f448" xlink:to="loc_srt_SafeguardingAssetPlatformOperatorCryptoAsset_05e929b3-14a1-4fe1-9a17-984c645747fd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_e8989a7a-2761-4e3e-8255-45ca48770df2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ff212692-5356-4987-80d6-6d7b7b74f448" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_e8989a7a-2761-4e3e-8255-45ca48770df2" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_6cdc7e4a-a3fc-4d5e-a99f-8aed8bcd7a0b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ff212692-5356-4987-80d6-6d7b7b74f448" xlink:to="loc_us-gaap_DerivativeLiabilities_6cdc7e4a-a3fc-4d5e-a99f-8aed8bcd7a0b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_09f56dc0-7815-4932-b8ac-d4a5e9e32410" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessCombinationContingentConsiderationLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ff212692-5356-4987-80d6-6d7b7b74f448" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_09f56dc0-7815-4932-b8ac-d4a5e9e32410" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SafeguardingLiabilityPlatformOperatorCryptoAsset_5e5c610c-8359-44a8-9785-6301be638239" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SafeguardingLiabilityPlatformOperatorCryptoAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ff212692-5356-4987-80d6-6d7b7b74f448" xlink:to="loc_srt_SafeguardingLiabilityPlatformOperatorCryptoAsset_5e5c610c-8359-44a8-9785-6301be638239" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialLiabilitiesFairValueDisclosure_fcf93264-999e-4cd0-8d71-c5a623beb327" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialLiabilitiesFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ff212692-5356-4987-80d6-6d7b7b74f448" xlink:to="loc_us-gaap_FinancialLiabilitiesFairValueDisclosure_fcf93264-999e-4cd0-8d71-c5a623beb327" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_ClientCustodialFundsDueFromFinancialInstitutions_3ae5ec0f-a972-43fa-a682-cd63a095c7f3" xlink:href="coin-20230630.xsd#coin_ClientCustodialFundsDueFromFinancialInstitutions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ff212692-5356-4987-80d6-6d7b7b74f448" xlink:to="loc_coin_ClientCustodialFundsDueFromFinancialInstitutions_3ae5ec0f-a972-43fa-a682-cd63a095c7f3" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_IndefiniteLivedCryptoAssetsAtCost_63a1c764-8563-42a0-b988-1c00443d9678" xlink:href="coin-20230630.xsd#coin_IndefiniteLivedCryptoAssetsAtCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ff212692-5356-4987-80d6-6d7b7b74f448" xlink:to="loc_coin_IndefiniteLivedCryptoAssetsAtCost_63a1c764-8563-42a0-b988-1c00443d9678" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5245d6d7-ee8c-461b-af17-2978b7c61524" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ff212692-5356-4987-80d6-6d7b7b74f448" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5245d6d7-ee8c-461b-af17-2978b7c61524" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_993c547c-94b4-4480-9c9e-669c23952f05" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5245d6d7-ee8c-461b-af17-2978b7c61524" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_993c547c-94b4-4480-9c9e-669c23952f05" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_993c547c-94b4-4480-9c9e-669c23952f05_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_993c547c-94b4-4480-9c9e-669c23952f05" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_993c547c-94b4-4480-9c9e-669c23952f05_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_3d5ccfd8-9ecf-46c9-8f5d-fbc337748bee" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_993c547c-94b4-4480-9c9e-669c23952f05" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_3d5ccfd8-9ecf-46c9-8f5d-fbc337748bee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_2a544acf-091b-4cbe-981b-46a8863d1dda" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_3d5ccfd8-9ecf-46c9-8f5d-fbc337748bee" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_2a544acf-091b-4cbe-981b-46a8863d1dda" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_ce4e1bfc-0329-4eaa-99fc-a9d8f18662cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_3d5ccfd8-9ecf-46c9-8f5d-fbc337748bee" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_ce4e1bfc-0329-4eaa-99fc-a9d8f18662cf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_86b6cdd9-182a-4f86-a729-60cefbca0c17" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_3d5ccfd8-9ecf-46c9-8f5d-fbc337748bee" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_86b6cdd9-182a-4f86-a729-60cefbca0c17" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_ec257b32-5584-466b-8f4c-ddc85a463338" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5245d6d7-ee8c-461b-af17-2978b7c61524" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_ec257b32-5584-466b-8f4c-ddc85a463338" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_ec257b32-5584-466b-8f4c-ddc85a463338_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_ec257b32-5584-466b-8f4c-ddc85a463338" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_ec257b32-5584-466b-8f4c-ddc85a463338_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_1dc7e1af-8885-40dd-aae9-4af8587ad254" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_ec257b32-5584-466b-8f4c-ddc85a463338" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_1dc7e1af-8885-40dd-aae9-4af8587ad254" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_52dcfaeb-a008-4cee-94d9-bfd12b03d02e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_1dc7e1af-8885-40dd-aae9-4af8587ad254" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_52dcfaeb-a008-4cee-94d9-bfd12b03d02e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAxis_4157f733-fe85-445a-b323-ecd8386d44f2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5245d6d7-ee8c-461b-af17-2978b7c61524" xlink:to="loc_us-gaap_CashAndCashEquivalentsAxis_4157f733-fe85-445a-b323-ecd8386d44f2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_4157f733-fe85-445a-b323-ecd8386d44f2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_4157f733-fe85-445a-b323-ecd8386d44f2" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_4157f733-fe85-445a-b323-ecd8386d44f2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_2b4ae345-545c-4f54-9ab2-114d61ea6430" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_4157f733-fe85-445a-b323-ecd8386d44f2" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_2b4ae345-545c-4f54-9ab2-114d61ea6430" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_HeldInDepositAtFinancialInstitutionsMember_0b45ba0c-af00-4b4f-95a8-6d6ce196ae00" xlink:href="coin-20230630.xsd#coin_HeldInDepositAtFinancialInstitutionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_2b4ae345-545c-4f54-9ab2-114d61ea6430" xlink:to="loc_coin_HeldInDepositAtFinancialInstitutionsMember_0b45ba0c-af00-4b4f-95a8-6d6ce196ae00" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_HeldInDepositAtTradingVenuesMember_51c8f131-c638-4947-bde1-0364d3fcfe01" xlink:href="coin-20230630.xsd#coin_HeldInDepositAtTradingVenuesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_2b4ae345-545c-4f54-9ab2-114d61ea6430" xlink:to="loc_coin_HeldInDepositAtTradingVenuesMember_51c8f131-c638-4947-bde1-0364d3fcfe01" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_b69a386d-96dc-446d-85f8-76cae9bef8a2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5245d6d7-ee8c-461b-af17-2978b7c61524" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_b69a386d-96dc-446d-85f8-76cae9bef8a2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_b69a386d-96dc-446d-85f8-76cae9bef8a2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_b69a386d-96dc-446d-85f8-76cae9bef8a2" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_b69a386d-96dc-446d-85f8-76cae9bef8a2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_4fa68397-5526-44e6-b1cd-79ae33aa3f85" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_b69a386d-96dc-446d-85f8-76cae9bef8a2" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_4fa68397-5526-44e6-b1cd-79ae33aa3f85" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_EmbeddedDerivativeFinancialInstrumentsCryptoAssetBorrowingsMember_8ac42c48-ab0c-4604-acdd-3c1da62213bd" xlink:href="coin-20230630.xsd#coin_EmbeddedDerivativeFinancialInstrumentsCryptoAssetBorrowingsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_4fa68397-5526-44e6-b1cd-79ae33aa3f85" xlink:to="loc_coin_EmbeddedDerivativeFinancialInstrumentsCryptoAssetBorrowingsMember_8ac42c48-ab0c-4604-acdd-3c1da62213bd" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/FAIRVALUEMEASUREMENTSNarrativeDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#FAIRVALUEMEASUREMENTSNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/FAIRVALUEMEASUREMENTSNarrativeDetails" xlink:type="extended" id="i1b44647235084620ad51c0323c7b76ac_FAIRVALUEMEASUREMENTSNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_589a9582-cc2d-4a73-9897-fad26c7147e5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtFairValue_dfdcbe61-6cf4-4a83-a717-37f36e023744" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_589a9582-cc2d-4a73-9897-fad26c7147e5" xlink:to="loc_us-gaap_LongTermDebtFairValue_dfdcbe61-6cf4-4a83-a717-37f36e023744" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_d09590ba-cefc-410a-80b7-5ece8cd8f4be" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_589a9582-cc2d-4a73-9897-fad26c7147e5" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_d09590ba-cefc-410a-80b7-5ece8cd8f4be" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_d6bb25cc-a385-4611-bebd-bac5410d4d0f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_d09590ba-cefc-410a-80b7-5ece8cd8f4be" xlink:to="loc_us-gaap_DebtInstrumentAxis_d6bb25cc-a385-4611-bebd-bac5410d4d0f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_d6bb25cc-a385-4611-bebd-bac5410d4d0f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_d6bb25cc-a385-4611-bebd-bac5410d4d0f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_d6bb25cc-a385-4611-bebd-bac5410d4d0f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_28ea916d-b118-43d7-96ec-0a9429bbb875" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_d6bb25cc-a385-4611-bebd-bac5410d4d0f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_28ea916d-b118-43d7-96ec-0a9429bbb875" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_ConvertibleSeniorNotesDue2026Member_228879bf-98eb-4c43-9fb9-4da3a5f26416" xlink:href="coin-20230630.xsd#coin_ConvertibleSeniorNotesDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_28ea916d-b118-43d7-96ec-0a9429bbb875" xlink:to="loc_coin_ConvertibleSeniorNotesDue2026Member_228879bf-98eb-4c43-9fb9-4da3a5f26416" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_SeniorNotesDue2028And2031Member_51f16564-fd31-4193-9949-2fde82810f8b" xlink:href="coin-20230630.xsd#coin_SeniorNotesDue2028And2031Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_28ea916d-b118-43d7-96ec-0a9429bbb875" xlink:to="loc_coin_SeniorNotesDue2028And2031Member_51f16564-fd31-4193-9949-2fde82810f8b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2a61106d-37e9-402c-b69e-99df6a2865bd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_d09590ba-cefc-410a-80b7-5ece8cd8f4be" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2a61106d-37e9-402c-b69e-99df6a2865bd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2a61106d-37e9-402c-b69e-99df6a2865bd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2a61106d-37e9-402c-b69e-99df6a2865bd" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2a61106d-37e9-402c-b69e-99df6a2865bd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7bf7180a-8e01-4f0c-8e96-34686c087d6d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2a61106d-37e9-402c-b69e-99df6a2865bd" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7bf7180a-8e01-4f0c-8e96-34686c087d6d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_ff64ef3c-4db7-42e5-81d5-0ce13fed6e99" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7bf7180a-8e01-4f0c-8e96-34686c087d6d" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_ff64ef3c-4db7-42e5-81d5-0ce13fed6e99" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_46be1637-8230-4dae-a7ae-03bfd8a1b313" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_d09590ba-cefc-410a-80b7-5ece8cd8f4be" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_46be1637-8230-4dae-a7ae-03bfd8a1b313" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_46be1637-8230-4dae-a7ae-03bfd8a1b313_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_46be1637-8230-4dae-a7ae-03bfd8a1b313" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_46be1637-8230-4dae-a7ae-03bfd8a1b313_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_2d00e11f-5596-4ce7-ad90-ccad9613c978" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_46be1637-8230-4dae-a7ae-03bfd8a1b313" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_2d00e11f-5596-4ce7-ad90-ccad9613c978" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_9218ac13-8f20-4945-8503-679892de6a5d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_2d00e11f-5596-4ce7-ad90-ccad9613c978" xlink:to="loc_us-gaap_ConvertibleDebtMember_9218ac13-8f20-4945-8503-679892de6a5d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_40f96f68-1406-4295-8bb0-42be89836148" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_2d00e11f-5596-4ce7-ad90-ccad9613c978" xlink:to="loc_us-gaap_SeniorNotesMember_40f96f68-1406-4295-8bb0-42be89836148" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/COMMONSTOCKNarrativeDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#COMMONSTOCKNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/COMMONSTOCKNarrativeDetails" xlink:type="extended" id="ida98cecbb4b3449797a652e3cc668feb_COMMONSTOCKNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_5e609972-e622-4396-9bee-e5664a9e5609" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_da0bcf61-8f19-432f-80c8-1a17e6205652" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_5e609972-e622-4396-9bee-e5664a9e5609" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_da0bcf61-8f19-432f-80c8-1a17e6205652" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CommonStockVotingRightsVotesForEachShare_15982651-3ba4-442b-aef0-90154ce5b1d9" xlink:href="coin-20230630.xsd#coin_CommonStockVotingRightsVotesForEachShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_5e609972-e622-4396-9bee-e5664a9e5609" xlink:to="loc_coin_CommonStockVotingRightsVotesForEachShare_15982651-3ba4-442b-aef0-90154ce5b1d9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_CommonStockConversionBasisRatio_a290ade6-8ccf-4c7c-a6ca-2ba261e047c2" xlink:href="coin-20230630.xsd#coin_CommonStockConversionBasisRatio"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_5e609972-e622-4396-9bee-e5664a9e5609" xlink:to="loc_coin_CommonStockConversionBasisRatio_a290ade6-8ccf-4c7c-a6ca-2ba261e047c2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_d826ebc5-863d-4b18-a98a-7b5b9961120d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_5e609972-e622-4396-9bee-e5664a9e5609" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_d826ebc5-863d-4b18-a98a-7b5b9961120d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_48d212b9-7204-4d2b-b3d3-a096ed1895f3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_d826ebc5-863d-4b18-a98a-7b5b9961120d" xlink:to="loc_us-gaap_StatementClassOfStockAxis_48d212b9-7204-4d2b-b3d3-a096ed1895f3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_48d212b9-7204-4d2b-b3d3-a096ed1895f3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_48d212b9-7204-4d2b-b3d3-a096ed1895f3" xlink:to="loc_us-gaap_ClassOfStockDomain_48d212b9-7204-4d2b-b3d3-a096ed1895f3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_c7b234a1-3828-4ccf-848a-3d757be99bfc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_48d212b9-7204-4d2b-b3d3-a096ed1895f3" xlink:to="loc_us-gaap_ClassOfStockDomain_c7b234a1-3828-4ccf-848a-3d757be99bfc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_23113b46-d837-4624-a54a-9e0954c088d7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_c7b234a1-3828-4ccf-848a-3d757be99bfc" xlink:to="loc_us-gaap_CommonClassAMember_23113b46-d837-4624-a54a-9e0954c088d7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_e055e9cb-11c3-40ab-b97e-caf4fa4f7322" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_c7b234a1-3828-4ccf-848a-3d757be99bfc" xlink:to="loc_us-gaap_CommonClassBMember_e055e9cb-11c3-40ab-b97e-caf4fa4f7322" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_UndesignatedCommonStockMember_a120f83a-467b-401c-b888-a13248e481f7" xlink:href="coin-20230630.xsd#coin_UndesignatedCommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_c7b234a1-3828-4ccf-848a-3d757be99bfc" xlink:to="loc_coin_UndesignatedCommonStockMember_a120f83a-467b-401c-b888-a13248e481f7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_UndesignatedPreferredStockMember_797890c9-33f8-4502-add1-32339d19121e" xlink:href="coin-20230630.xsd#coin_UndesignatedPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_c7b234a1-3828-4ccf-848a-3d757be99bfc" xlink:to="loc_coin_UndesignatedPreferredStockMember_797890c9-33f8-4502-add1-32339d19121e" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/COMMONSTOCKScheduleofsharesreservedforfutureissuanceDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#COMMONSTOCKScheduleofsharesreservedforfutureissuanceDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/COMMONSTOCKScheduleofsharesreservedforfutureissuanceDetails" xlink:type="extended" id="i81d1aebcc4234362bc3e2d5ac359c229_COMMONSTOCKScheduleofsharesreservedforfutureissuanceDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_b6be374f-eeba-4a19-b583-5188080cb2a1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_75276fc4-1795-4ddc-8e1a-93d06928207f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b6be374f-eeba-4a19-b583-5188080cb2a1" xlink:to="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_75276fc4-1795-4ddc-8e1a-93d06928207f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_93c762ee-96d3-40d5-92f7-91a3ff052728" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_b6be374f-eeba-4a19-b583-5188080cb2a1" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_93c762ee-96d3-40d5-92f7-91a3ff052728" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_3663f41f-58db-4aeb-86f3-73857e093993" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_93c762ee-96d3-40d5-92f7-91a3ff052728" xlink:to="loc_us-gaap_StatementClassOfStockAxis_3663f41f-58db-4aeb-86f3-73857e093993" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_3663f41f-58db-4aeb-86f3-73857e093993_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_3663f41f-58db-4aeb-86f3-73857e093993" xlink:to="loc_us-gaap_ClassOfStockDomain_3663f41f-58db-4aeb-86f3-73857e093993_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_b098751d-dea6-4c72-b32b-ba8ba4075f87" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_3663f41f-58db-4aeb-86f3-73857e093993" xlink:to="loc_us-gaap_ClassOfStockDomain_b098751d-dea6-4c72-b32b-ba8ba4075f87" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_d47b14d9-e362-431c-b441-e934edb38d49" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_b098751d-dea6-4c72-b32b-ba8ba4075f87" xlink:to="loc_us-gaap_CommonClassAMember_d47b14d9-e362-431c-b441-e934edb38d49" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_ClassACommonStockOptionsIssuedAndOutstandingUnder2013PlanMember_458e33d6-4836-4bd7-8628-103ebbd5ea87" xlink:href="coin-20230630.xsd#coin_ClassACommonStockOptionsIssuedAndOutstandingUnder2013PlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CommonClassAMember_d47b14d9-e362-431c-b441-e934edb38d49" xlink:to="loc_coin_ClassACommonStockOptionsIssuedAndOutstandingUnder2013PlanMember_458e33d6-4836-4bd7-8628-103ebbd5ea87" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_OptionsIssuedAndOutstandingUnder2019PlanMember_98c27960-0260-4224-bdb9-ecf27492cbf4" xlink:href="coin-20230630.xsd#coin_OptionsIssuedAndOutstandingUnder2019PlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CommonClassAMember_d47b14d9-e362-431c-b441-e934edb38d49" xlink:to="loc_coin_OptionsIssuedAndOutstandingUnder2019PlanMember_98c27960-0260-4224-bdb9-ecf27492cbf4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_RestrictedStockUnitsIssuedAndOutstandingUnder2019PlanMember_e0abdc4d-b63c-4094-9e54-abf911099c98" xlink:href="coin-20230630.xsd#coin_RestrictedStockUnitsIssuedAndOutstandingUnder2019PlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CommonClassAMember_d47b14d9-e362-431c-b441-e934edb38d49" xlink:to="loc_coin_RestrictedStockUnitsIssuedAndOutstandingUnder2019PlanMember_e0abdc4d-b63c-4094-9e54-abf911099c98" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_OptionsIssuedAndOutstandingUnder2021PlanMember_6c8084de-a7c6-4ac6-b54c-4f461cb1e533" xlink:href="coin-20230630.xsd#coin_OptionsIssuedAndOutstandingUnder2021PlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CommonClassAMember_d47b14d9-e362-431c-b441-e934edb38d49" xlink:to="loc_coin_OptionsIssuedAndOutstandingUnder2021PlanMember_6c8084de-a7c6-4ac6-b54c-4f461cb1e533" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_RSUsAndPRSUsIssuedAndOutstandingUnder2021PlanMember_c40acf35-9f82-4139-9963-381ec2cc443b" xlink:href="coin-20230630.xsd#coin_RSUsAndPRSUsIssuedAndOutstandingUnder2021PlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CommonClassAMember_d47b14d9-e362-431c-b441-e934edb38d49" xlink:to="loc_coin_RSUsAndPRSUsIssuedAndOutstandingUnder2021PlanMember_c40acf35-9f82-4139-9963-381ec2cc443b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_SharesAvailableForFutureIssuanceUnderThe2021PlanMember_9cc5d8dd-1d88-4577-874b-08f399fb3225" xlink:href="coin-20230630.xsd#coin_SharesAvailableForFutureIssuanceUnderThe2021PlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CommonClassAMember_d47b14d9-e362-431c-b441-e934edb38d49" xlink:to="loc_coin_SharesAvailableForFutureIssuanceUnderThe2021PlanMember_9cc5d8dd-1d88-4577-874b-08f399fb3225" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_SharesAvailableForFutureIssuanceUnderThe2021EmployeeStockPurchasePlanMember_87cef73f-7ffe-4a47-b58c-ab7dbe6bb845" xlink:href="coin-20230630.xsd#coin_SharesAvailableForFutureIssuanceUnderThe2021EmployeeStockPurchasePlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CommonClassAMember_d47b14d9-e362-431c-b441-e934edb38d49" xlink:to="loc_coin_SharesAvailableForFutureIssuanceUnderThe2021EmployeeStockPurchasePlanMember_87cef73f-7ffe-4a47-b58c-ab7dbe6bb845" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_ReplacementOptionsIssuedAndOutstandingFromTagomiAcquisitionMember_ce839c39-d766-4d8b-822d-84d3e7388b37" xlink:href="coin-20230630.xsd#coin_ReplacementOptionsIssuedAndOutstandingFromTagomiAcquisitionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CommonClassAMember_d47b14d9-e362-431c-b441-e934edb38d49" xlink:to="loc_coin_ReplacementOptionsIssuedAndOutstandingFromTagomiAcquisitionMember_ce839c39-d766-4d8b-822d-84d3e7388b37" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_ReplacementOptionsIssuedAndOutstandingFromBisonTrailsAcquisitionMember_2bd0ad47-55b7-48e2-88a2-6a790957ef03" xlink:href="coin-20230630.xsd#coin_ReplacementOptionsIssuedAndOutstandingFromBisonTrailsAcquisitionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CommonClassAMember_d47b14d9-e362-431c-b441-e934edb38d49" xlink:to="loc_coin_ReplacementOptionsIssuedAndOutstandingFromBisonTrailsAcquisitionMember_2bd0ad47-55b7-48e2-88a2-6a790957ef03" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_RestrictedStockUnitsIssuedAndOutstandingFromAcquisitionMember_bdc904d4-b03c-4515-b07c-88bd8e8a8876" xlink:href="coin-20230630.xsd#coin_RestrictedStockUnitsIssuedAndOutstandingFromAcquisitionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CommonClassAMember_d47b14d9-e362-431c-b441-e934edb38d49" xlink:to="loc_coin_RestrictedStockUnitsIssuedAndOutstandingFromAcquisitionMember_bdc904d4-b03c-4515-b07c-88bd8e8a8876" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_SharesAvailableForFutureIssuanceOfWarrantsMember_b6f75465-e21e-4955-acd0-8212c6ae3fd1" xlink:href="coin-20230630.xsd#coin_SharesAvailableForFutureIssuanceOfWarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CommonClassAMember_d47b14d9-e362-431c-b441-e934edb38d49" xlink:to="loc_coin_SharesAvailableForFutureIssuanceOfWarrantsMember_b6f75465-e21e-4955-acd0-8212c6ae3fd1" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_66e6c14c-cbd5-4616-ae1f-4f2b618a01d1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_b098751d-dea6-4c72-b32b-ba8ba4075f87" xlink:to="loc_us-gaap_CommonClassBMember_66e6c14c-cbd5-4616-ae1f-4f2b618a01d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_ClassBCommonStockOptionsIssuedAndOutstandingUnder2013PlanMember_7b29aaef-2812-4dc1-b897-ba892bdec3a1" xlink:href="coin-20230630.xsd#coin_ClassBCommonStockOptionsIssuedAndOutstandingUnder2013PlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CommonClassBMember_66e6c14c-cbd5-4616-ae1f-4f2b618a01d1" xlink:to="loc_coin_ClassBCommonStockOptionsIssuedAndOutstandingUnder2013PlanMember_7b29aaef-2812-4dc1-b897-ba892bdec3a1" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/STOCKBASEDCOMPENSATIONNarrativeDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#STOCKBASEDCOMPENSATIONNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/STOCKBASEDCOMPENSATIONNarrativeDetails" xlink:type="extended" id="i44127e10225645d0a3d701dae6631a7d_STOCKBASEDCOMPENSATIONNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_7f072227-b77b-43a1-a9a5-b5f4f8a48392" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_7f072227-b77b-43a1-a9a5-b5f4f8a48392" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedThroughAcquisition_62564489-25c7-4c5e-a6dc-27fc4febb242" xlink:href="coin-20230630.xsd#coin_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedThroughAcquisition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_coin_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedThroughAcquisition_62564489-25c7-4c5e-a6dc-27fc4febb242" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedThroughAcquisitionWeightedAverageExercisePrice_0da52cc0-9bc7-4a46-b8d6-f5106d43ba6c" xlink:href="coin-20230630.xsd#coin_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedThroughAcquisitionWeightedAverageExercisePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_coin_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedThroughAcquisitionWeightedAverageExercisePrice_0da52cc0-9bc7-4a46-b8d6-f5106d43ba6c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_c14dd134-2f9c-455f-a611-d448d385b15c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_c14dd134-2f9c-455f-a611-d448d385b15c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_6e5fcdd1-9a03-4e28-91f9-e24854d5070c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_6e5fcdd1-9a03-4e28-91f9-e24854d5070c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_NumberOfSharesCommonStockSubjectToRepurchaseOrCancellation_8575d9f5-7f01-43a5-9cfa-a1d829163bc9" xlink:href="coin-20230630.xsd#coin_NumberOfSharesCommonStockSubjectToRepurchaseOrCancellation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_coin_NumberOfSharesCommonStockSubjectToRepurchaseOrCancellation_8575d9f5-7f01-43a5-9cfa-a1d829163bc9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationShareBasedArrangementsLiabilityCurrent_e60b6d81-1578-4bd5-8d24-cdd24649d114" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredCompensationShareBasedArrangementsLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_us-gaap_DeferredCompensationShareBasedArrangementsLiabilityCurrent_e60b6d81-1578-4bd5-8d24-cdd24649d114" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_3732eaad-7a85-4521-a280-ec15290e616d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_3732eaad-7a85-4521-a280-ec15290e616d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_7b54478b-669c-42a0-9a90-b57520dbe002" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_7b54478b-669c-42a0-9a90-b57520dbe002" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_ccbac188-9305-4715-bd76-8134364d9679" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_ccbac188-9305-4715-bd76-8134364d9679" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_03fc4460-4ec2-448e-8ed4-f54d946291a7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_03fc4460-4ec2-448e-8ed4-f54d946291a7" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_45d2afc8-8b76-4888-9d23-63d560ea4efc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_45d2afc8-8b76-4888-9d23-63d560ea4efc" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_ad839ccb-9df1-49ff-940a-d5e67cfd9f6b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_ad839ccb-9df1-49ff-940a-d5e67cfd9f6b" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_38f1ea7d-58d9-4f24-9cef-6591b065cd17" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_38f1ea7d-58d9-4f24-9cef-6591b065cd17" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_88d93fb1-cb01-48ee-837c-b959bff15a5c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_88d93fb1-cb01-48ee-837c-b959bff15a5c" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_abd095f8-7609-47fa-beb2-c27534f4a760" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_abd095f8-7609-47fa-beb2-c27534f4a760" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockPlanOfferingPeriod_ef7ea624-6bf6-4f35-a0c3-1f2881859553" xlink:href="coin-20230630.xsd#coin_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockPlanOfferingPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_coin_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockPlanOfferingPeriod_ef7ea624-6bf6-4f35-a0c3-1f2881859553" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_EmployeeRelatedLiabilitiesEmployeeStockSalesCurrent_70647785-6710-4124-afc7-968778e0a625" xlink:href="coin-20230630.xsd#coin_EmployeeRelatedLiabilitiesEmployeeStockSalesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_coin_EmployeeRelatedLiabilitiesEmployeeStockSalesCurrent_70647785-6710-4124-afc7-968778e0a625" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_757bb005-9058-4815-80dd-6251422c3778" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_757bb005-9058-4815-80dd-6251422c3778" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_a35459ae-83e9-4a2f-9471-085c333c95d2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_de95c733-15ee-40f8-a8db-77a3f53abbba" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_a35459ae-83e9-4a2f-9471-085c333c95d2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_04303917-86d5-419e-9d30-4e6306663674" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_a35459ae-83e9-4a2f-9471-085c333c95d2" xlink:to="loc_us-gaap_AwardTypeAxis_04303917-86d5-419e-9d30-4e6306663674" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_04303917-86d5-419e-9d30-4e6306663674_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_04303917-86d5-419e-9d30-4e6306663674" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_04303917-86d5-419e-9d30-4e6306663674_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_15fe53f4-c4ac-4e2f-b77b-70a34341daf7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_04303917-86d5-419e-9d30-4e6306663674" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_15fe53f4-c4ac-4e2f-b77b-70a34341daf7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_0b3ceb67-cfba-4220-93c8-e5c34814f7da" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_15fe53f4-c4ac-4e2f-b77b-70a34341daf7" xlink:to="loc_us-gaap_EmployeeStockOptionMember_0b3ceb67-cfba-4220-93c8-e5c34814f7da" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockCompensationPlanMember_84efa0b0-ed65-4559-bff5-39aac966e657" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockCompensationPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_15fe53f4-c4ac-4e2f-b77b-70a34341daf7" xlink:to="loc_us-gaap_StockCompensationPlanMember_84efa0b0-ed65-4559-bff5-39aac966e657" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_d9d42843-3978-45e8-964a-bf66516423f6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_15fe53f4-c4ac-4e2f-b77b-70a34341daf7" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_d9d42843-3978-45e8-964a-bf66516423f6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_efa68777-0129-45b6-8d46-3aa3ffa21a01" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_15fe53f4-c4ac-4e2f-b77b-70a34341daf7" xlink:to="loc_us-gaap_RestrictedStockMember_efa68777-0129-45b6-8d46-3aa3ffa21a01" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_28876ab5-d1e8-4f68-acdf-f4d9edc794c6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_15fe53f4-c4ac-4e2f-b77b-70a34341daf7" xlink:to="loc_us-gaap_EmployeeStockMember_28876ab5-d1e8-4f68-acdf-f4d9edc794c6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_e6a28d07-7118-4db5-98c3-154e98a4a7b5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_15fe53f4-c4ac-4e2f-b77b-70a34341daf7" xlink:to="loc_us-gaap_PerformanceSharesMember_e6a28d07-7118-4db5-98c3-154e98a4a7b5" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_RSUsAndPRSUsMember_dececa9c-f76c-4e04-9031-d0c1ab8b8083" xlink:href="coin-20230630.xsd#coin_RSUsAndPRSUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_15fe53f4-c4ac-4e2f-b77b-70a34341daf7" xlink:to="loc_coin_RSUsAndPRSUsMember_dececa9c-f76c-4e04-9031-d0c1ab8b8083" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_1e55cab4-05e1-43e5-a2d8-5d4a83f193d6" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_a35459ae-83e9-4a2f-9471-085c333c95d2" xlink:to="loc_srt_RangeAxis_1e55cab4-05e1-43e5-a2d8-5d4a83f193d6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_1e55cab4-05e1-43e5-a2d8-5d4a83f193d6_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_1e55cab4-05e1-43e5-a2d8-5d4a83f193d6" xlink:to="loc_srt_RangeMember_1e55cab4-05e1-43e5-a2d8-5d4a83f193d6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_36803e37-c9f6-4185-9c36-e0a2c40de647" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_1e55cab4-05e1-43e5-a2d8-5d4a83f193d6" xlink:to="loc_srt_RangeMember_36803e37-c9f6-4185-9c36-e0a2c40de647" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_f484a52f-0c38-4887-998b-685832a5de6d" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_36803e37-c9f6-4185-9c36-e0a2c40de647" xlink:to="loc_srt_MinimumMember_f484a52f-0c38-4887-998b-685832a5de6d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_d1299982-1c40-43df-8cd1-9c8e13e7fb03" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_36803e37-c9f6-4185-9c36-e0a2c40de647" xlink:to="loc_srt_MaximumMember_d1299982-1c40-43df-8cd1-9c8e13e7fb03" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_73271288-b2ed-47ff-a077-827bca6200b9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_a35459ae-83e9-4a2f-9471-085c333c95d2" xlink:to="loc_us-gaap_StatementClassOfStockAxis_73271288-b2ed-47ff-a077-827bca6200b9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_73271288-b2ed-47ff-a077-827bca6200b9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_73271288-b2ed-47ff-a077-827bca6200b9" xlink:to="loc_us-gaap_ClassOfStockDomain_73271288-b2ed-47ff-a077-827bca6200b9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_59b3e454-b924-469b-8188-bd0088e4dfaa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_73271288-b2ed-47ff-a077-827bca6200b9" xlink:to="loc_us-gaap_ClassOfStockDomain_59b3e454-b924-469b-8188-bd0088e4dfaa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_e4e379f5-ffd4-428f-a2e6-044ecd7b990e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_59b3e454-b924-469b-8188-bd0088e4dfaa" xlink:to="loc_us-gaap_CommonClassAMember_e4e379f5-ffd4-428f-a2e6-044ecd7b990e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualAxis_5bc052b4-0a05-4179-ae12-fb7ef0f07656" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_TitleOfIndividualAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_a35459ae-83e9-4a2f-9471-085c333c95d2" xlink:to="loc_srt_TitleOfIndividualAxis_5bc052b4-0a05-4179-ae12-fb7ef0f07656" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_5bc052b4-0a05-4179-ae12-fb7ef0f07656_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_TitleOfIndividualAxis_5bc052b4-0a05-4179-ae12-fb7ef0f07656" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_5bc052b4-0a05-4179-ae12-fb7ef0f07656_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_59b1b3b9-1924-401c-bc1b-f7b11284b348" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_TitleOfIndividualAxis_5bc052b4-0a05-4179-ae12-fb7ef0f07656" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_59b1b3b9-1924-401c-bc1b-f7b11284b348" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ChiefExecutiveOfficerMember_2f87e1f3-5633-453f-85d9-08df9f985c58" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ChiefExecutiveOfficerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_59b1b3b9-1924-401c-bc1b-f7b11284b348" xlink:to="loc_srt_ChiefExecutiveOfficerMember_2f87e1f3-5633-453f-85d9-08df9f985c58" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_PresidentMember_6be43284-9d69-48a3-b801-84f8c76033b1" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_PresidentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_59b1b3b9-1924-401c-bc1b-f7b11284b348" xlink:to="loc_srt_PresidentMember_6be43284-9d69-48a3-b801-84f8c76033b1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ExecutiveOfficerMember_06867acc-0210-423f-97d1-038c5ea6fef4" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ExecutiveOfficerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_59b1b3b9-1924-401c-bc1b-f7b11284b348" xlink:to="loc_srt_ExecutiveOfficerMember_06867acc-0210-423f-97d1-038c5ea6fef4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_89ca840e-b93c-4038-9c61-c1576e39c148" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VestingAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_a35459ae-83e9-4a2f-9471-085c333c95d2" xlink:to="loc_us-gaap_VestingAxis_89ca840e-b93c-4038-9c61-c1576e39c148" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_89ca840e-b93c-4038-9c61-c1576e39c148_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_89ca840e-b93c-4038-9c61-c1576e39c148" xlink:to="loc_us-gaap_VestingDomain_89ca840e-b93c-4038-9c61-c1576e39c148_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_9067127e-0ccf-4810-9809-ea48640b8a3b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_89ca840e-b93c-4038-9c61-c1576e39c148" xlink:to="loc_us-gaap_VestingDomain_9067127e-0ccf-4810-9809-ea48640b8a3b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_1089d106-f997-4d43-b80b-0f862d297d2e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_9067127e-0ccf-4810-9809-ea48640b8a3b" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_1089d106-f997-4d43-b80b-0f862d297d2e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_a1d7bf54-66fa-4127-9606-90d0916ed68b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_9067127e-0ccf-4810-9809-ea48640b8a3b" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_a1d7bf54-66fa-4127-9606-90d0916ed68b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis_5fc25b57-c0a5-43ef-afef-eafd408f0d6e" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_StatementScenarioAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_a35459ae-83e9-4a2f-9471-085c333c95d2" xlink:to="loc_srt_StatementScenarioAxis_5fc25b57-c0a5-43ef-afef-eafd408f0d6e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_5fc25b57-c0a5-43ef-afef-eafd408f0d6e_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementScenarioAxis_5fc25b57-c0a5-43ef-afef-eafd408f0d6e" xlink:to="loc_srt_ScenarioUnspecifiedDomain_5fc25b57-c0a5-43ef-afef-eafd408f0d6e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_9650e443-2582-4854-9585-a2289addbeaa" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementScenarioAxis_5fc25b57-c0a5-43ef-afef-eafd408f0d6e" xlink:to="loc_srt_ScenarioUnspecifiedDomain_9650e443-2582-4854-9585-a2289addbeaa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioForecastMember_9218a2a6-4322-4454-8c50-4c503352820e" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScenarioForecastMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ScenarioUnspecifiedDomain_9650e443-2582-4854-9585-a2289addbeaa" xlink:to="loc_srt_ScenarioForecastMember_9218a2a6-4322-4454-8c50-4c503352820e" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/STOCKBASEDCOMPENSATIONValuationAssumptionsDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#STOCKBASEDCOMPENSATIONValuationAssumptionsDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/STOCKBASEDCOMPENSATIONValuationAssumptionsDetails" xlink:type="extended" id="i254e631a160641b99813ccffbff3e9d8_STOCKBASEDCOMPENSATIONValuationAssumptionsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6b2f5843-28ef-4dea-a736-6b2d0d9ffc4b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_e2d55d9e-71ec-4f4e-9683-c9c01c1269c2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6b2f5843-28ef-4dea-a736-6b2d0d9ffc4b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_e2d55d9e-71ec-4f4e-9683-c9c01c1269c2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_6c9f78b3-f9ff-4ab3-870b-ba7f2536a7fe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6b2f5843-28ef-4dea-a736-6b2d0d9ffc4b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_6c9f78b3-f9ff-4ab3-870b-ba7f2536a7fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_fa8a3d3a-0d38-41ac-be67-d190361083fb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6b2f5843-28ef-4dea-a736-6b2d0d9ffc4b" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_fa8a3d3a-0d38-41ac-be67-d190361083fb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_c319d441-6fb9-4064-8b80-b31c1fafcf3c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6b2f5843-28ef-4dea-a736-6b2d0d9ffc4b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_c319d441-6fb9-4064-8b80-b31c1fafcf3c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_66d32d42-80d7-410c-8dfd-351420ff0ce6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6b2f5843-28ef-4dea-a736-6b2d0d9ffc4b" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_66d32d42-80d7-410c-8dfd-351420ff0ce6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_a9183f21-8d03-4803-8dd5-5bdbafd90ab8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_66d32d42-80d7-410c-8dfd-351420ff0ce6" xlink:to="loc_us-gaap_AwardTypeAxis_a9183f21-8d03-4803-8dd5-5bdbafd90ab8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a9183f21-8d03-4803-8dd5-5bdbafd90ab8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_a9183f21-8d03-4803-8dd5-5bdbafd90ab8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a9183f21-8d03-4803-8dd5-5bdbafd90ab8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_65c926f7-fd6d-4e56-a9c3-96c0f2ad4940" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_a9183f21-8d03-4803-8dd5-5bdbafd90ab8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_65c926f7-fd6d-4e56-a9c3-96c0f2ad4940" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_86a1da19-5ab9-4bfd-a1e9-295cebdf96b5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_65c926f7-fd6d-4e56-a9c3-96c0f2ad4940" xlink:to="loc_us-gaap_EmployeeStockOptionMember_86a1da19-5ab9-4bfd-a1e9-295cebdf96b5" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/STOCKBASEDCOMPENSATIONScheduleofrestrictedstockunitandrestrictedstockactivityDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#STOCKBASEDCOMPENSATIONScheduleofrestrictedstockunitandrestrictedstockactivityDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/STOCKBASEDCOMPENSATIONScheduleofrestrictedstockunitandrestrictedstockactivityDetails" xlink:type="extended" id="i2220d067fc12494e8a479c943ddbe02b_STOCKBASEDCOMPENSATIONScheduleofrestrictedstockunitandrestrictedstockactivityDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_18a0d5bd-b356-45c7-9483-8a84e0e9ced3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_d65e8e7b-2f05-412d-9fd6-5f2a8077c17b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_18a0d5bd-b356-45c7-9483-8a84e0e9ced3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_d65e8e7b-2f05-412d-9fd6-5f2a8077c17b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_828fb570-e9a7-4447-a140-ea334c51e7e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_d65e8e7b-2f05-412d-9fd6-5f2a8077c17b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_828fb570-e9a7-4447-a140-ea334c51e7e0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_68b52382-dc8b-42ad-83ba-8eb3aac85088" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_d65e8e7b-2f05-412d-9fd6-5f2a8077c17b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_68b52382-dc8b-42ad-83ba-8eb3aac85088" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_e5b3762a-f104-4af8-ad76-d9cd3cf52065" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_d65e8e7b-2f05-412d-9fd6-5f2a8077c17b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_e5b3762a-f104-4af8-ad76-d9cd3cf52065" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_3c1075b3-41a9-424a-a347-4a186c6ec799" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_d65e8e7b-2f05-412d-9fd6-5f2a8077c17b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_3c1075b3-41a9-424a-a347-4a186c6ec799" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_623da7af-f201-46cd-becc-ecbb5b0bbcc7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_475ddc07-5507-4b21-8fe7-e6deb7d38ac1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_18a0d5bd-b356-45c7-9483-8a84e0e9ced3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_475ddc07-5507-4b21-8fe7-e6deb7d38ac1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_b3e94445-7edc-480b-8150-05f4b7b64154" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_475ddc07-5507-4b21-8fe7-e6deb7d38ac1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_b3e94445-7edc-480b-8150-05f4b7b64154" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_e7558123-34e0-49a6-ba97-e7d7fa3c78ae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_475ddc07-5507-4b21-8fe7-e6deb7d38ac1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_e7558123-34e0-49a6-ba97-e7d7fa3c78ae" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_64a2f13c-a845-46a8-9c83-75299020b257" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_475ddc07-5507-4b21-8fe7-e6deb7d38ac1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_64a2f13c-a845-46a8-9c83-75299020b257" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_b1b9a4a5-0908-4f71-91e9-1c0c5c77e306" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_475ddc07-5507-4b21-8fe7-e6deb7d38ac1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_b1b9a4a5-0908-4f71-91e9-1c0c5c77e306" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_6b58d445-1e67-4ccd-9a7d-451efc2b07c7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_4ac5d75a-c734-4fab-b469-805c6a45628c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_18a0d5bd-b356-45c7-9483-8a84e0e9ced3" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_4ac5d75a-c734-4fab-b469-805c6a45628c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_16e47c9b-95af-44c8-bad6-dff8485f3b61" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_4ac5d75a-c734-4fab-b469-805c6a45628c" xlink:to="loc_us-gaap_AwardTypeAxis_16e47c9b-95af-44c8-bad6-dff8485f3b61" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_16e47c9b-95af-44c8-bad6-dff8485f3b61_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_16e47c9b-95af-44c8-bad6-dff8485f3b61" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_16e47c9b-95af-44c8-bad6-dff8485f3b61_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_aed48466-1f78-4094-9f99-854bb424c218" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_16e47c9b-95af-44c8-bad6-dff8485f3b61" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_aed48466-1f78-4094-9f99-854bb424c218" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_RSUsAndPRSUsMember_48b07216-8984-450a-9b9c-4d8688542069" xlink:href="coin-20230630.xsd#coin_RSUsAndPRSUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_aed48466-1f78-4094-9f99-854bb424c218" xlink:to="loc_coin_RSUsAndPRSUsMember_48b07216-8984-450a-9b9c-4d8688542069" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_033b973c-afba-4795-9f3f-4b55f376f30c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_aed48466-1f78-4094-9f99-854bb424c218" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_033b973c-afba-4795-9f3f-4b55f376f30c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_cac9136d-99a7-41aa-97ce-c2d23b7b8bf6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_aed48466-1f78-4094-9f99-854bb424c218" xlink:to="loc_us-gaap_RestrictedStockMember_cac9136d-99a7-41aa-97ce-c2d23b7b8bf6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_d1da5ab7-debf-4fba-a3d9-a6ec15c19802" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_aed48466-1f78-4094-9f99-854bb424c218" xlink:to="loc_us-gaap_PerformanceSharesMember_d1da5ab7-debf-4fba-a3d9-a6ec15c19802" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/STOCKBASEDCOMPENSATIONScheduleofstockbasedcompensationDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#STOCKBASEDCOMPENSATIONScheduleofstockbasedcompensationDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/STOCKBASEDCOMPENSATIONScheduleofstockbasedcompensationDetails" xlink:type="extended" id="i5ef14162bdf74aaaa1ab410804b1a745_STOCKBASEDCOMPENSATIONScheduleofstockbasedcompensationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_fbffbda0-afd0-4681-945c-78e5223810e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_1468a4e4-683c-464e-aff6-b70483bf5bc5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_fbffbda0-afd0-4681-945c-78e5223810e0" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_1468a4e4-683c-464e-aff6-b70483bf5bc5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_02f1b08f-7c39-41d4-ae22-2efc5917647d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_fbffbda0-afd0-4681-945c-78e5223810e0" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_02f1b08f-7c39-41d4-ae22-2efc5917647d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_6d0a535c-5f46-478e-857a-984d7b574094" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_02f1b08f-7c39-41d4-ae22-2efc5917647d" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_6d0a535c-5f46-478e-857a-984d7b574094" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_6d0a535c-5f46-478e-857a-984d7b574094_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_6d0a535c-5f46-478e-857a-984d7b574094" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_6d0a535c-5f46-478e-857a-984d7b574094_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_efe286b3-6552-4433-b800-29d7c2fbe0bd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_6d0a535c-5f46-478e-857a-984d7b574094" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_efe286b3-6552-4433-b800-29d7c2fbe0bd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_118fa681-8f98-4fc7-b7f2-a317c404f8f6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ResearchAndDevelopmentExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_efe286b3-6552-4433-b800-29d7c2fbe0bd" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_118fa681-8f98-4fc7-b7f2-a317c404f8f6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpenseMember_c337b4f4-690e-495a-ac97-da2d5141fc0f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SellingAndMarketingExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_efe286b3-6552-4433-b800-29d7c2fbe0bd" xlink:to="loc_us-gaap_SellingAndMarketingExpenseMember_c337b4f4-690e-495a-ac97-da2d5141fc0f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_c7a7c7a6-c301-49fe-a3d5-b2d054d101c7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeneralAndAdministrativeExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_efe286b3-6552-4433-b800-29d7c2fbe0bd" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_c7a7c7a6-c301-49fe-a3d5-b2d054d101c7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringChargesMember_71989fcd-c99d-438c-82d9-2d546b3370f2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringChargesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_efe286b3-6552-4433-b800-29d7c2fbe0bd" xlink:to="loc_us-gaap_RestructuringChargesMember_71989fcd-c99d-438c-82d9-2d546b3370f2" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/NETLOSSPERSHAREScheduleofpotentiallydilutivesharesDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#NETLOSSPERSHAREScheduleofpotentiallydilutivesharesDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/NETLOSSPERSHAREScheduleofpotentiallydilutivesharesDetails" xlink:type="extended" id="i15633c9d188f4666bbc0fc86e903c2ed_NETLOSSPERSHAREScheduleofpotentiallydilutivesharesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_81ac8736-6e1c-48f9-85a2-1abb487a2f5c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_c923007c-bc08-44a4-8dea-dd0308ae670d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_81ac8736-6e1c-48f9-85a2-1abb487a2f5c" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_c923007c-bc08-44a4-8dea-dd0308ae670d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_9c5a957c-7961-4523-a252-84379c2a96d5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_81ac8736-6e1c-48f9-85a2-1abb487a2f5c" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_9c5a957c-7961-4523-a252-84379c2a96d5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_c9519f65-32c3-4bf3-a017-51da3769d083" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_9c5a957c-7961-4523-a252-84379c2a96d5" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_c9519f65-32c3-4bf3-a017-51da3769d083" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_c9519f65-32c3-4bf3-a017-51da3769d083_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_c9519f65-32c3-4bf3-a017-51da3769d083" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_c9519f65-32c3-4bf3-a017-51da3769d083_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_6b692b79-a13c-4e15-8f36-1abc2d0aa889" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_c9519f65-32c3-4bf3-a017-51da3769d083" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_6b692b79-a13c-4e15-8f36-1abc2d0aa889" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_5d2c7698-5d30-4030-b402-677318c93013" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_6b692b79-a13c-4e15-8f36-1abc2d0aa889" xlink:to="loc_us-gaap_EmployeeStockOptionMember_5d2c7698-5d30-4030-b402-677318c93013" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_6956cf24-8ea7-45f1-89f2-d3b7b952a922" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_6b692b79-a13c-4e15-8f36-1abc2d0aa889" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_6956cf24-8ea7-45f1-89f2-d3b7b952a922" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_196d4205-0519-43a8-98d9-6cd9674615da" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_6b692b79-a13c-4e15-8f36-1abc2d0aa889" xlink:to="loc_us-gaap_ConvertibleDebtMember_196d4205-0519-43a8-98d9-6cd9674615da" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_7334e8f2-3a39-4860-8283-201e70f81d5a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_6b692b79-a13c-4e15-8f36-1abc2d0aa889" xlink:to="loc_us-gaap_RestrictedStockMember_7334e8f2-3a39-4860-8283-201e70f81d5a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_4c1d6b88-e9f2-48d8-a601-445350353d3c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_6b692b79-a13c-4e15-8f36-1abc2d0aa889" xlink:to="loc_us-gaap_EmployeeStockMember_4c1d6b88-e9f2-48d8-a601-445350353d3c" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.coinbase.com/role/COMMITMENTSANDCONTINGENCIESDetails" xlink:type="simple" xlink:href="coin-20230630.xsd#COMMITMENTSANDCONTINGENCIESDetails"/>
  <link:definitionLink xlink:role="http://www.coinbase.com/role/COMMITMENTSANDCONTINGENCIESDetails" xlink:type="extended" id="i63be18a0f6754255ac2a545fa938c82a_COMMITMENTSANDCONTINGENCIESDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_0d5e2af7-0361-44e8-b602-f2d9ca0dc890" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingenciesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNewClaimsFiledNumber_a62729f3-d900-4696-9f03-d6c6b9d5fbc4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingencyNewClaimsFiledNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_0d5e2af7-0361-44e8-b602-f2d9ca0dc890" xlink:to="loc_us-gaap_LossContingencyNewClaimsFiledNumber_a62729f3-d900-4696-9f03-d6c6b9d5fbc4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyDamagesAwardedValue_20a64af7-804f-494c-9498-dae6e3c35291" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingencyDamagesAwardedValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_0d5e2af7-0361-44e8-b602-f2d9ca0dc890" xlink:to="loc_us-gaap_LossContingencyDamagesAwardedValue_20a64af7-804f-494c-9498-dae6e3c35291" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_LossContingencyAmountToBeInvestedInCompanyComplianceFunction_ecfd16e6-b12e-4342-8cde-569f5de31a28" xlink:href="coin-20230630.xsd#coin_LossContingencyAmountToBeInvestedInCompanyComplianceFunction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_0d5e2af7-0361-44e8-b602-f2d9ca0dc890" xlink:to="loc_coin_LossContingencyAmountToBeInvestedInCompanyComplianceFunction_ecfd16e6-b12e-4342-8cde-569f5de31a28" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable_27d3ad80-6296-4aba-9dc4-18c19f162258" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingenciesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_0d5e2af7-0361-44e8-b602-f2d9ca0dc890" xlink:to="loc_us-gaap_LossContingenciesTable_27d3ad80-6296-4aba-9dc4-18c19f162258" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_89033b04-b0e6-4329-b7d4-569e9ddb04e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_27d3ad80-6296-4aba-9dc4-18c19f162258" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_89033b04-b0e6-4329-b7d4-569e9ddb04e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_89033b04-b0e6-4329-b7d4-569e9ddb04e2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_89033b04-b0e6-4329-b7d4-569e9ddb04e2" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_89033b04-b0e6-4329-b7d4-569e9ddb04e2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_66a69fce-3155-4dac-8cfc-9a24fc0508d3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_89033b04-b0e6-4329-b7d4-569e9ddb04e2" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_66a69fce-3155-4dac-8cfc-9a24fc0508d3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_91f2ba61-e26c-41ca-836e-923df9460b7c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeneralAndAdministrativeExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_66a69fce-3155-4dac-8cfc-9a24fc0508d3" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_91f2ba61-e26c-41ca-836e-923df9460b7c" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-roles-2023.xsd#eedm"/>
  <link:definitionLink xlink:role="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableNetCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesAndLoansReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableNetCurrent" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/ecd/AwardTypeOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#AwardTypeOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/ecd/AwardTypeOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockCompensationPlanMember" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockCompensationPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_StockCompensationPlanMember" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_PerformanceSharesMember" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_RSUsAndPRSUsMember_b06a7999-744e-442a-8913-9da922e9cf0b" xlink:href="coin-20230630.xsd#coin_RSUsAndPRSUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_coin_RSUsAndPRSUsMember_b06a7999-744e-442a-8913-9da922e9cf0b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_RestrictedStockMember" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_EmployeeStockMember" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/ecd/role/IndividualsOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#IndividualsOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/ecd/role/IndividualsOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AllIndividualsMember" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AllIndividualsMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_KathrynHaunMember_876321e9-f9f8-4990-a140-d1853005173b" xlink:href="coin-20230630.xsd#coin_KathrynHaunMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllIndividualsMember" xlink:to="loc_coin_KathrynHaunMember_876321e9-f9f8-4990-a140-d1853005173b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_coin_LawrenceJBrockMember_7b90db81-771a-4d56-9a70-c4791b867412" xlink:href="coin-20230630.xsd#coin_LawrenceJBrockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllIndividualsMember" xlink:to="loc_coin_LawrenceJBrockMember_7b90db81-771a-4d56-9a70-c4791b867412" xlink:type="arc" order="3"/>
  </link:definitionLink>
</link:linkbase>
