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CUSTOMER ASSETS AND LIABILITIES - Schedule of Customers' Cash and Crypto Positions (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
Customer custodial funds | $ 3,474,489 | $ 5,041,119
Safeguarding customer crypto assets | 114,291,909 | 75,413,188
Total customer assets | 117,766,398 | 80,454,307
Customer custodial cash liabilities | 3,474,489 | 4,829,587
Safeguarding customer crypto liabilities | 114,291,909 | 75,413,188
Total customer liabilities | $ 117,766,398 | $ 80,242,775

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- Definition Client Custodial Cash, Current + References No definition available. + Details
Name: | coin_ClientCustodialCashCurrent
Namespace Prefix: | coin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Custodial Cash Liabilities, Current + References No definition available. + Details
Name: | coin_CustodialCashLiabilitiesCurrent
Namespace Prefix: | coin_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Customer Assets + References No definition available. + Details
Name: | coin_CustomerAssets
Namespace Prefix: | coin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Customer Liabilities + References No definition available. + Details
Name: | coin_CustomerLiabilities
Namespace Prefix: | coin_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Fair value of asset to safeguard crypto-asset held for platform user. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section FF -Subsection Q1 -Publisher SEC + Details
Name: | srt_SafeguardingAssetPlatformOperatorCryptoAsset
Namespace Prefix: | srt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Fair value of obligation to safeguard crypto-asset held for platform user. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section FF -Subsection Q1 -Publisher SEC + Details
Name: | srt_SafeguardingLiabilityPlatformOperatorCryptoAsset
Namespace Prefix: | srt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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