<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/schedule13g" xmlns:ns1="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>SCHEDULE 13G</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0000803012</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <securitiesClassTitle>Ordinary shares, par value $0.0001 per share</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>12/31/2024</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0002000775</issuerCik>
        <issuerName>Black Hawk Acquisition Corp</issuerName>
        <issuerCusip>G1148A101</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <ns1:street1>125 Blackhawk Plaza Circle</ns1:street1>
          <ns1:street2>Suite 166</ns1:street2>
          <ns1:city>Danville</ns1:city>
          <ns1:stateOrCountry>CA</ns1:stateOrCountry>
          <ns1:zipCode>94506</ns1:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(b)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>TD SECURITIES (USA) LLC</reportingPersonName>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>481244</soleVotingPower>
        <sharedVotingPower>0</sharedVotingPower>
        <soleDispositivePower>481244</soleDispositivePower>
        <sharedDispositivePower>0</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>481244</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>5.4</classPercent>
      <typeOfReportingPerson>BD</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>TORONTO DOMINION HOLDINGS USA INC</reportingPersonName>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0</soleVotingPower>
        <sharedVotingPower>0</sharedVotingPower>
        <soleDispositivePower>0</soleDispositivePower>
        <sharedDispositivePower>0</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>0</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>0</classPercent>
      <typeOfReportingPerson>HC</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>TD Group US Holdings LLC</reportingPersonName>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0</soleVotingPower>
        <sharedVotingPower>0</sharedVotingPower>
        <soleDispositivePower>0</soleDispositivePower>
        <sharedDispositivePower>0</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>0</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>0</classPercent>
      <typeOfReportingPerson>HC</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>Toronto Dominion Bank</reportingPersonName>
      <citizenshipOrOrganization>Z4</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0</soleVotingPower>
        <sharedVotingPower>0</sharedVotingPower>
        <soleDispositivePower>0</soleDispositivePower>
        <sharedDispositivePower>0</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>0</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>0</classPercent>
      <typeOfReportingPerson>BK</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>Black Hawk Acquisition Corp</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>125 Blackhawk Plaza Circle
Suite 166
Danville, CALIFORNIA
94506</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>TD SECURITIES (USA) LLC

TORONTO DOMINION HOLDINGS USA INC

TD Group US Holdings LLC

Toronto Dominion Bank</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>ONE VANDERBILT AVENUE
NEW YORK, New York
10017

The address of TD Securities (USA) LLC's ("TDS") principal office and Toronto Dominion Holdings (U.S.A.), Inc.'s ("TDH") principal office is One Vanderbilt Avenue, New York, New York 10017. The address of TD Group US Holdings LLC's ("TD GUS") principal office is 251 Little Falls Drive, Wellington, Delaware 19808. The address of Toronto Dominion Bank's ("TD Bank") principal office is Toronto-Dominion Centre, 66 Wellington Street West, 12th Floor, TD Tower, Toronto, Ontario, Canada M5K 1A2.</principalBusinessOfficeOrResidenceAddress>
        <citizenship>TD SECURITIES (USA) LLC - DELAWARE

TORONTO DOMINION HOLDINGS USA INC - DELAWARE

TD Group US Holdings LLC - DELAWARE

Toronto Dominion Bank - CANADA (FEDERAL LEVEL)</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>N</notApplicableFlag>
        <typeOfPersonFiling>BD</typeOfPersonFiling>
        <typeOfPersonFiling>BK</typeOfPersonFiling>
        <typeOfPersonFiling>HC</typeOfPersonFiling>
      </item3>
      <item4>
        <amountBeneficiallyOwned>481,244

TDS has the sole power to vote or direct the vote and the sole power to dispose or direct the disposition of these shares.

This schedule is jointly filed by TDS, TDH, TD GUS and TD Bank. TDH is the sole owner of TDS. TD GUS is the sole owner of TDH. TD Bank is the sole owner of TD GUS. TD Bank, TDH, and TD GUS may be deemed to hold an indirect interest in the shares reported herein by virtue of their ownership of TDS.

Each of TDH, TD GUS and TD Bank disclaims ownership of the shares reported herein except to the extent of its pecuniary interest therein. Each reporting person declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) of the US Securities Exchange Act of 1934 or any other purpose, (i) acting (or has agreed or is agreeing to act together with any other person) as a partnership, limited partnership, syndicate or other group for the purpose of acquiring, holding or disposing of securities of the Issuer or otherwise with respect to the Issuer or any securities of the Issuer or (ii) a member of any group with respect to the Issuer or any securities of the Issuer.
</amountBeneficiallyOwned>
        <classPercent>5.4</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>TD SECURITIES (USA) LLC - 481,244

TORONTO DOMINION HOLDINGS USA INC - 0

TD Group US Holdings LLC - 0

Toronto Dominion Bank - 0</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>TD SECURITIES (USA) LLC - 0

TORONTO DOMINION HOLDINGS USA INC - 0

TD Group US Holdings LLC - 0

Toronto Dominion Bank - 0</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>TD SECURITIES (USA) LLC - 481,244

TORONTO DOMINION HOLDINGS USA INC - 0

TD Group US Holdings LLC - 0

Toronto Dominion Bank - 0</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>TD SECURITIES (USA) LLC - 0

TORONTO DOMINION HOLDINGS USA INC - 0

TD Group US Holdings LLC - 0

Toronto Dominion Bank - 0</sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <notApplicableFlag>Y</notApplicableFlag>
      </item5>
      <item6>
        <notApplicableFlag>Y</notApplicableFlag>
      </item6>
      <item7>
        <notApplicableFlag>N</notApplicableFlag>
        <subsidiaryIdentificationAndClassification>TD Securities (USA) LLC</subsidiaryIdentificationAndClassification>
      </item7>
      <item8>
        <notApplicableFlag>Y</notApplicableFlag>
      </item8>
      <item9>
        <notApplicableFlag>Y</notApplicableFlag>
      </item9>
      <item10>
        <notApplicableFlag>N</notApplicableFlag>
        <certifications>By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.</certifications>
      </item10>
    </items>
    <exhibitInfo>Exhibit I

JOINT FILING AGREEMENT

This will confirm the agreement by and among the undersigned that the Schedule 13G filed with the Securities and Exchange Commission on or about the date hereof with respect to the beneficial ownership by the undersigned of the ordinary shares of Black Hawk Acquisition Corp will be filed on behalf of each of the persons and entities named below in accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. This Agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.

Dated: February 11, 2025


TD SECURITIES (USA) LLC

By:  /s/ Christina Petrou
Title:  Vice President &amp; Chief Operating Officer


TORONTO DOMINION HOLDINGS (U.S.A.), INC.

By:  /s/ Christina Petrou
Title:  Vice President &amp; Chief Operating Officer


TD GROUP US HOLDINGS LLC

By:  /s/ Romina McMahon
Title:  Deputy Controller


THE TORONTO-DOMINION BANK

By:  /s/ Christina Petrou
Title:  Vice President &amp; Chief Operating Officer
</exhibitInfo>
    <signatureInformation>
      <reportingPersonName>TD SECURITIES (USA) LLC</reportingPersonName>
      <signatureDetails>
        <signature>Christina Petrou</signature>
        <title>Vice President &amp; Chief Operating Officer</title>
        <date>02/11/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>TORONTO DOMINION HOLDINGS USA INC</reportingPersonName>
      <signatureDetails>
        <signature>Christina Petrou</signature>
        <title>Vice President &amp; Chief Operating Officer</title>
        <date>02/11/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>TD Group US Holdings LLC</reportingPersonName>
      <signatureDetails>
        <signature>Romina McMahon</signature>
        <title>Deputy Controller</title>
        <date>02/11/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>Toronto Dominion Bank</reportingPersonName>
      <signatureDetails>
        <signature>Christina Petrou</signature>
        <title>Vice President &amp; Chief Operating Officer</title>
        <date>02/11/2025</date>
      </signatureDetails>
    </signatureInformation>
  </formData>
</edgarSubmission>
