content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001877502</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001083301</issuerCik>
        <issuerName>TERAWULF INC.</issuerName>
        <secFileNumber>001-41163</secFileNumber>
        <issuerAddress>
          <com:street1>9 FEDERAL STREET</com:street1>
          <com:city>EASTON</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>21601</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>(410) 770-9500</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Motz Catherine J.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>245 Summer Street</com:street1>
            <com:city>Boston</com:city>
            <com:stateOrCountry>MA</com:stateOrCountry>
            <com:zipCode>02110</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>21182</noOfUnitsSold>
        <aggregateMarketValue>82395.86</aggregateMarketValue>
        <noOfUnitsOutstanding>384584010</noOfUnitsOutstanding>
        <approxSaleDate>06/18/2025</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>12/31/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Terawulf</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>2651</amountOfSecuritiesAcquired>
        <paymentDate>12/31/2024</paymentDate>
        <natureOfPayment>compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>09/30/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Terawulf</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3206</amountOfSecuritiesAcquired>
        <paymentDate>09/30/2024</paymentDate>
        <natureOfPayment>compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>06/30/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Terawulf</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3371</amountOfSecuritiesAcquired>
        <paymentDate>06/30/2024</paymentDate>
        <natureOfPayment>compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>03/31/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Terawulf</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>5704</amountOfSecuritiesAcquired>
        <paymentDate>03/31/2024</paymentDate>
        <natureOfPayment>compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>12/31/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Terawulf</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>6250</amountOfSecuritiesAcquired>
        <paymentDate>12/31/2023</paymentDate>
        <natureOfPayment>compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>06/18/2025</noticeDate>
        <signature>/s/ Audrey Skillern as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Catherine Motz</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 4952}]
text: 144
  0001877502
  XXXXXXXX
  LIVE
  0001083301
  TERAWULF INC.
  001-41163
  9 FEDERAL STREET
  EASTON
  MD
  21601
  (410) 770-9500
  Motz Catherine J.
  Director
  Common
  Fidelity Brokerage Services LLC
  245 Summer Street
  Boston
  MA
  02110
  21182
  82395.86
  384584010
  06/18/2025
  NASDAQ
  Common Stock
  12/31/2024
  Stock Award
  Terawulf
  N
  2651
  12/31/2024
  compensation
  Common Stock
  09/30/2024
  Stock Award
  Terawulf
  N
  3206
  09/30/2024
  compensation
  Common Stock
  06/30/2024
  Stock Award
  Terawulf
  N
  3371
  06/30/2024
  compensation
  Common Stock
  03/31/2024
  Stock Award
  Terawulf
  N
  5704
  03/31/2024
  compensation
  Common Stock
  12/31/2023
  Stock Award
  Terawulf
  N
  6250
  12/31/2023
  compensation
  Y
  06/18/2025
  /s/ Audrey Skillern as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Catherine Motz