<?xml version="1.0" encoding="us-ascii"?>
<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:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/notAll" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#notAll" xlink:type="simple" />
  <link:roleRef roleURI="http://21shares.com/20260331/role/SubsequentEventsDetails" xlink:href="tdot-20260331.xsd#SubsequentEventsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://21shares.com/20260331/role/SignificantAccountingPoliciesScheduleofFairValueMeasurementDetails" xlink:href="tdot-20260331.xsd#SignificantAccountingPoliciesScheduleofFairValueMeasurementDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://21shares.com/20260331/role/TrustExpensesDetails" xlink:href="tdot-20260331.xsd#TrustExpensesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://21shares.com/20260331/role/RelatedPartiesDetails" xlink:href="tdot-20260331.xsd#RelatedPartiesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://21shares.com/20260331/role/SchedulesofInvestment" xlink:href="tdot-20260331.xsd#SchedulesofInvestment" xlink:type="simple" />
  <link:roleRef roleURI="http://21shares.com/20260331/role/OrganizationDetails" xlink:href="tdot-20260331.xsd#OrganizationDetails" xlink:type="simple" />
  <link:definitionLink xlink:role="http://21shares.com/20260331/role/SubsequentEventsDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_SeedCapitalInvestorMember" xlink:label="tdot_SeedCapitalInvestorMember_38514" />
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_TrustCashDistributionsToShareholdersAsStakingRewards" xlink:label="tdot_TrustCashDistributionsToShareholdersAsStakingRewards_38515" />
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_TrustStakingMember" xlink:label="tdot_TrustStakingMember_38516" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_38513" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_38512" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_38511" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventLineItems" xlink:label="us-gaap_SubsequentEventLineItems_38510" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember_38509" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTable" xlink:label="us-gaap_SubsequentEventTable_38506" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis_38507" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain_38508" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_38513_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain_38508_default" />
    <link:definitionArc xlink:type="arc" order="383.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain_38513" xlink:to="tdot_SeedCapitalInvestorMember_38514" />
    <link:definitionArc xlink:type="arc" order="384.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems_38510" xlink:to="tdot_TrustCashDistributionsToShareholdersAsStakingRewards_38515" />
    <link:definitionArc xlink:type="arc" order="385.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain_38513" xlink:to="tdot_TrustStakingMember_38516" />
    <link:definitionArc xlink:type="arc" order="382.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_38512" xlink:to="us-gaap_RelatedPartyDomain_38513" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable_38506" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_38512" />
    <link:definitionArc xlink:type="arc" order="380.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems_38510" xlink:to="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_38511" />
    <link:definitionArc xlink:type="arc" order="378.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventTypeDomain_38508" xlink:to="us-gaap_SubsequentEventMember_38509" />
    <link:definitionArc xlink:type="arc" order="375.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_SubsequentEventLineItems_38510" xlink:to="us-gaap_SubsequentEventTable_38506" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable_38506" xlink:to="us-gaap_SubsequentEventTypeAxis_38507" />
    <link:definitionArc xlink:type="arc" order="377.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsequentEventTypeAxis_38507" xlink:to="us-gaap_SubsequentEventTypeDomain_38508" />
    <link:definitionArc xlink:type="arc" order="382.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_38512" xlink:to="us-gaap_RelatedPartyDomain_38513_default" />
    <link:definitionArc xlink:type="arc" order="377.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_SubsequentEventTypeAxis_38507" xlink:to="us-gaap_SubsequentEventTypeDomain_38508_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://21shares.com/20260331/role/SchedulesofInvestment" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentOwnedBalanceContracts" xlink:label="us-gaap_InvestmentOwnedBalanceContracts_38523" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIssuerNameDomain" xlink:label="us-gaap_InvestmentIssuerNameDomain_1201" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentOwnedAtCost" xlink:label="us-gaap_InvestmentOwnedAtCost_1202" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentOwnedAtFairValue" xlink:label="us-gaap_InvestmentOwnedAtFairValue_1200" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfInvestmentsLineItems" xlink:label="us-gaap_ScheduleOfInvestmentsLineItems_1193" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentOwnedBalanceOtherMeasure" xlink:label="us-gaap_InvestmentOwnedBalanceOtherMeasure_1195" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonInvestmentAssetsLessNonInvestmentLiabilities" xlink:label="us-gaap_NonInvestmentAssetsLessNonInvestmentLiabilities_1203" />
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_CostMember" xlink:label="tdot_CostMember_1187" />
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_FairValueMember" xlink:label="tdot_FairValueMember_1188" />
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_InvestmentInDOTMember" xlink:label="tdot_InvestmentInDOTMember_1189" />
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_NetAssetsOfNetAssets" xlink:label="tdot_NetAssetsOfNetAssets_1190" />
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_PercentageOfNetAssetsMember" xlink:label="tdot_PercentageOfNetAssetsMember_1191" />
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_QuantityOfDOTMember" xlink:label="tdot_QuantityOfDOTMember_38519" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsNet" xlink:label="us-gaap_AssetsNet_1205" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIssuerAffiliationAxis" xlink:label="us-gaap_InvestmentIssuerAffiliationAxis_1197" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIssuerAffiliationDomain" xlink:label="us-gaap_InvestmentIssuerAffiliationDomain_1198" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIssuerNameAxis" xlink:label="us-gaap_InvestmentIssuerNameAxis_1199" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfInvestmentsTable" xlink:label="us-gaap_ScheduleOfInvestmentsTable_1194" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentOwnedPercentOfNetAssets" xlink:label="us-gaap_InvestmentOwnedPercentOfNetAssets_1196" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonInvestmentAssetsLessNonInvestmentLiabilitiesPercentOfNetAssets" xlink:label="us-gaap_NonInvestmentAssetsLessNonInvestmentLiabilitiesPercentOfNetAssets_1204" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIssuerNameDomain" xlink:label="us-gaap_InvestmentIssuerNameDomain_1201_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIssuerAffiliationDomain" xlink:label="us-gaap_InvestmentIssuerAffiliationDomain_1198_default" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ScheduleOfInvestmentsLineItems_1193" xlink:to="us-gaap_InvestmentOwnedBalanceContracts_38523" />
    <link:definitionArc xlink:type="arc" order="124.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_InvestmentIssuerNameAxis_1199" xlink:to="us-gaap_InvestmentIssuerNameDomain_1201" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ScheduleOfInvestmentsLineItems_1193" xlink:to="us-gaap_InvestmentOwnedAtCost_1202" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ScheduleOfInvestmentsLineItems_1193" xlink:to="us-gaap_InvestmentOwnedAtFairValue_1200" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ScheduleOfInvestmentsLineItems_1193" xlink:to="us-gaap_InvestmentOwnedBalanceOtherMeasure_1195" />
    <link:definitionArc xlink:type="arc" order="15.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ScheduleOfInvestmentsLineItems_1193" xlink:to="us-gaap_NonInvestmentAssetsLessNonInvestmentLiabilities_1203" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentIssuerNameDomain_1201" xlink:to="tdot_CostMember_1187" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentIssuerNameDomain_1201" xlink:to="tdot_FairValueMember_1188" />
    <link:definitionArc xlink:type="arc" order="20.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentIssuerAffiliationDomain_1198" xlink:to="tdot_InvestmentInDOTMember_1189" />
    <link:definitionArc xlink:type="arc" order="19.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ScheduleOfInvestmentsLineItems_1193" xlink:to="tdot_NetAssetsOfNetAssets_1190" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentIssuerNameDomain_1201" xlink:to="tdot_PercentageOfNetAssetsMember_1191" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentIssuerNameDomain_1201" xlink:to="tdot_QuantityOfDOTMember_38519" />
    <link:definitionArc xlink:type="arc" order="16.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ScheduleOfInvestmentsLineItems_1193" xlink:to="us-gaap_AssetsNet_1205" />
    <link:definitionArc xlink:type="arc" order="22.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfInvestmentsTable_1194" xlink:to="us-gaap_InvestmentIssuerAffiliationAxis_1197" />
    <link:definitionArc xlink:type="arc" order="175.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_InvestmentIssuerAffiliationAxis_1197" xlink:to="us-gaap_InvestmentIssuerAffiliationDomain_1198" />
    <link:definitionArc xlink:type="arc" order="21.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfInvestmentsTable_1194" xlink:to="us-gaap_InvestmentIssuerNameAxis_1199" />
    <link:definitionArc xlink:type="arc" order="122.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ScheduleOfInvestmentsLineItems_1193" xlink:to="us-gaap_ScheduleOfInvestmentsTable_1194" />
    <link:definitionArc xlink:type="arc" order="17.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ScheduleOfInvestmentsLineItems_1193" xlink:to="us-gaap_InvestmentOwnedPercentOfNetAssets_1196" />
    <link:definitionArc xlink:type="arc" order="18.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ScheduleOfInvestmentsLineItems_1193" xlink:to="us-gaap_NonInvestmentAssetsLessNonInvestmentLiabilitiesPercentOfNetAssets_1204" />
    <link:definitionArc xlink:type="arc" order="124.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_InvestmentIssuerNameAxis_1199" xlink:to="us-gaap_InvestmentIssuerNameDomain_1201_default" />
    <link:definitionArc xlink:type="arc" order="175.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_InvestmentIssuerAffiliationAxis_1197" xlink:to="us-gaap_InvestmentIssuerAffiliationDomain_1198_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://21shares.com/20260331/role/SignificantAccountingPoliciesScheduleofFairValueMeasurementDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_1252" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member_1253" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member_1254" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member_1255" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1256" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems" xlink:label="us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_1257" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentOwnedAtFairValue" xlink:label="us-gaap_InvestmentOwnedAtFairValue_1258" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" xlink:label="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable_1259" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1256_default" />
    <link:definitionArc xlink:type="arc" order="189.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable_1259" xlink:to="us-gaap_FairValueByFairValueHierarchyLevelAxis_1252" />
    <link:definitionArc xlink:type="arc" order="191.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1256" xlink:to="us-gaap_FairValueInputsLevel1Member_1253" />
    <link:definitionArc xlink:type="arc" order="192.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1256" xlink:to="us-gaap_FairValueInputsLevel2Member_1254" />
    <link:definitionArc xlink:type="arc" order="193.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1256" xlink:to="us-gaap_FairValueInputsLevel3Member_1255" />
    <link:definitionArc xlink:type="arc" order="190.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis_1252" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1256" />
    <link:definitionArc xlink:type="arc" order="21.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_1257" xlink:to="us-gaap_InvestmentOwnedAtFairValue_1258" />
    <link:definitionArc xlink:type="arc" order="188.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_1257" xlink:to="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable_1259" />
    <link:definitionArc xlink:type="arc" order="190.00" priority="1" xbrldt:closed="true" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis_1252" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1256_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://21shares.com/20260331/role/TrustExpensesDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_InvestmentInDOTMember" xlink:label="tdot_InvestmentInDOTMember_38527" />
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_SponsorFeePercentage" xlink:label="tdot_SponsorFeePercentage_1223" />
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_StakingFee" xlink:label="tdot_StakingFee_1224" />
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_StakingFeePercentage" xlink:label="tdot_StakingFeePercentage_1225" />
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_TrustExpensesLineItems" xlink:label="tdot_TrustExpensesLineItems_38528" />
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_TrustExpensesTable" xlink:label="tdot_TrustExpensesTable_38524" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedLiabilitiesCurrentAndNoncurrent" xlink:label="us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_1227" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIssuerAffiliationAxis" xlink:label="us-gaap_InvestmentIssuerAffiliationAxis_38525" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIssuerAffiliationDomain" xlink:label="us-gaap_InvestmentIssuerAffiliationDomain_38526" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SponsorFees" xlink:label="us-gaap_SponsorFees_1226" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIssuerAffiliationDomain" xlink:label="us-gaap_InvestmentIssuerAffiliationDomain_38526_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentIssuerAffiliationDomain_38526" xlink:to="tdot_InvestmentInDOTMember_38527" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="tdot_TrustExpensesLineItems_38528" xlink:to="tdot_SponsorFeePercentage_1223" />
    <link:definitionArc xlink:type="arc" order="15.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="tdot_TrustExpensesLineItems_38528" xlink:to="tdot_StakingFee_1224" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="tdot_TrustExpensesLineItems_38528" xlink:to="tdot_StakingFeePercentage_1225" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="tdot_TrustExpensesLineItems_38528" xlink:to="tdot_TrustExpensesTable_38524" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="tdot_TrustExpensesLineItems_38528" xlink:to="us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_1227" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="tdot_TrustExpensesTable_38524" xlink:to="us-gaap_InvestmentIssuerAffiliationAxis_38525" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_InvestmentIssuerAffiliationAxis_38525" xlink:to="us-gaap_InvestmentIssuerAffiliationDomain_38526" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="tdot_TrustExpensesLineItems_38528" xlink:to="us-gaap_SponsorFees_1226" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_InvestmentIssuerAffiliationAxis_38525" xlink:to="us-gaap_InvestmentIssuerAffiliationDomain_38526_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://21shares.com/20260331/role/RelatedPartiesDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_RelatedPartiesDetailsTable" xlink:label="tdot_RelatedPartiesDetailsTable_1235" />
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_SponsorMember" xlink:label="tdot_SponsorMember_1236" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesHeldInEmployeeTrustShares" xlink:label="us-gaap_CommonStockSharesHeldInEmployeeTrustShares_1237" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_1238" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="us-gaap_RelatedPartyTransactionLineItems_1239" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1240" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_1238_default" />
    <link:definitionArc xlink:type="arc" order="21.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1239" xlink:to="tdot_RelatedPartiesDetailsTable_1235" />
    <link:definitionArc xlink:type="arc" order="20.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain_1238" xlink:to="tdot_SponsorMember_1236" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1239" xlink:to="us-gaap_CommonStockSharesHeldInEmployeeTrustShares_1237" />
    <link:definitionArc xlink:type="arc" order="21.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1240" xlink:to="us-gaap_RelatedPartyDomain_1238" />
    <link:definitionArc xlink:type="arc" order="21.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="tdot_RelatedPartiesDetailsTable_1235" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1240" />
    <link:definitionArc xlink:type="arc" order="21.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1240" xlink:to="us-gaap_RelatedPartyDomain_1238_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://21shares.com/20260331/role/OrganizationDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_OrganizationTable" xlink:label="tdot_OrganizationTable_1284" />
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_SeedCapitalInvestorMember" xlink:label="tdot_SeedCapitalInvestorMember_1285" />
    <link:loc xlink:type="locator" xlink:href="tdot-20260331.xsd#tdot_SubscriptionAgreementMember" xlink:label="tdot_SubscriptionAgreementMember_38503" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_38502" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockLineItems" xlink:label="us-gaap_ClassOfStockLineItems_1287" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_1288" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1289" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockConsiderationReceivedPerTransaction" xlink:label="us-gaap_SaleOfStockConsiderationReceivedPerTransaction_1290" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_1291" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockPricePerShare" xlink:label="us-gaap_SaleOfStockPricePerShare_1283" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityReverseStockSplit" xlink:label="us-gaap_StockholdersEquityReverseStockSplit_34680" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_34682" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="us-gaap_TypeOfArrangementAxis_38501" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_38502_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_1288_default" />
    <link:definitionArc xlink:type="arc" order="21.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ClassOfStockLineItems_1287" xlink:to="tdot_OrganizationTable_1284" />
    <link:definitionArc xlink:type="arc" order="290.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain_1288" xlink:to="tdot_SeedCapitalInvestorMember_1285" />
    <link:definitionArc xlink:type="arc" order="373.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember_38502" xlink:to="tdot_SubscriptionAgreementMember_38503" />
    <link:definitionArc xlink:type="arc" order="372.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_TypeOfArrangementAxis_38501" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember_38502" />
    <link:definitionArc xlink:type="arc" order="20.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1289" xlink:to="us-gaap_RelatedPartyDomain_1288" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="tdot_OrganizationTable_1284" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1289" />
    <link:definitionArc xlink:type="arc" order="23.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1287" xlink:to="us-gaap_SaleOfStockConsiderationReceivedPerTransaction_1290" />
    <link:definitionArc xlink:type="arc" order="21.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1287" xlink:to="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_1291" />
    <link:definitionArc xlink:type="arc" order="22.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1287" xlink:to="us-gaap_SaleOfStockPricePerShare_1283" />
    <link:definitionArc xlink:type="arc" order="320.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1287" xlink:to="us-gaap_StockholdersEquityReverseStockSplit_34680" />
    <link:definitionArc xlink:type="arc" order="322.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1287" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues_34682" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="tdot_OrganizationTable_1284" xlink:to="us-gaap_TypeOfArrangementAxis_38501" />
    <link:definitionArc xlink:type="arc" order="372.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_TypeOfArrangementAxis_38501" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember_38502_default" />
    <link:definitionArc xlink:type="arc" order="20.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1289" xlink:to="us-gaap_RelatedPartyDomain_1288_default" />
  </link:definitionLink>
  <link:roleRef roleURI="http://fasb.org/srt/role/srt-eedm/ExtensibleEnumerationLists" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-roles-2026.xsd#eedm1" xlink:type="simple" />
  <link:definitionLink xlink:role="http://fasb.org/srt/role/srt-eedm/ExtensibleEnumerationLists" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ChiefFinancialOfficerMember" xlink:label="us-gaap_ChiefFinancialOfficerMember" />
    <link:definitionArc xlink:type="arc" order="0" priority="1" xbrldt:closed="true" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="us-gaap_ChiefFinancialOfficerMember" />
  </link:definitionLink>
</link:linkbase>
