<SEC-DOCUMENT>0001819989-25-000085.txt : 20250819
<SEC-HEADER>0001819989-25-000085.hdr.sgml : 20250819
<ACCEPTANCE-DATETIME>20250819181723
ACCESSION NUMBER:		0001819989-25-000085
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250818
FILED AS OF DATE:		20250819
DATE AS OF CHANGE:		20250819

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Newsome James E
		CENTRAL INDEX KEY:			0001299581
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39625
		FILM NUMBER:		251233349

	MAIL ADDRESS:	
		STREET 1:		C/O CIPHER MINING INC.
		STREET 2:		1 VANDERBILT AVENUE, FLOOR 54, SUITE C
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cipher Mining Inc.
		CENTRAL INDEX KEY:			0001819989
		STANDARD INDUSTRIAL CLASSIFICATION:	FINANCE SERVICES [6199]
		ORGANIZATION NAME:           	09 Crypto Assets
		EIN:				851614529
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1 VANDERBILT AVENUE
		STREET 2:		FLOOR 54
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		332-262-2300

	MAIL ADDRESS:	
		STREET 1:		1 VANDERBILT AVENUE
		STREET 2:		FLOOR 54
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GOOD WORKS ACQUISITION CORP.
		DATE OF NAME CHANGE:	20200803
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1755641839.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-08-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001819989</issuerCik>
        <issuerName>Cipher Mining Inc.</issuerName>
        <issuerTradingSymbol>CIFR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001299581</rptOwnerCik>
            <rptOwnerName>Newsome James E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CIPHER MINING INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1 VANDERBILT AVENUE, FLOOR 54</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-08-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>32468</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.16</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>194313</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in Column 4 represents a weighted average sales price of $6.16. These shares were sold in multiple transactions at prices ranging from $6.1601 to $6.165, inclusive. The reporting person undertakes to provide to Cipher Mining Inc., any security holder of Cipher Mining Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in footnote 1 of this Form 4.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ William Iwaschuk, Attorney-in-Fact for James E. Newsome</signatureName>
        <signatureDate>2025-08-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
