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  <xs:element name="CharlesMaddoxMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_CharlesMaddoxMember"/>
  <xs:element name="CommonStockIssuedToHoldersOfSeeIdIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_CommonStockIssuedToHoldersOfSeeIdIncMember"/>
  <xs:element name="CommonStockIssuedToPIPEInvestorsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_CommonStockIssuedToPIPEInvestorsMember"/>
  <xs:element name="CommonStockIssuedToSeeIdSafeNoteHoldersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_CommonStockIssuedToSeeIdSafeNoteHoldersMember"/>
  <xs:element name="CommonStockIssuedToStarUpNVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_CommonStockIssuedToStarUpNVMember"/>
  <xs:element name="CommonStockParValueOf00001PerShareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_CommonStockParValueOf00001PerShareMember"/>
  <xs:element name="ContinentalStockTransferTrustCoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_ContinentalStockTransferTrustCoMember"/>
  <xs:element name="DLAPiperLLPMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_DLAPiperLLPMember"/>
  <xs:element name="EdgarAgentsLLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_EdgarAgentsLLCMember"/>
  <xs:element name="LegacyCommonStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_LegacyCommonStockMember"/>
  <xs:element name="OfficersAndDirectorMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_OfficersAndDirectorMember"/>
  <xs:element name="OrdinarySharesHeldByDLAPiperLLPMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_OrdinarySharesHeldByDLAPiperLLPMember"/>
  <xs:element name="OrdinarySharesHeldByNonRedemptionShareHoldersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_OrdinarySharesHeldByNonRedemptionShareHoldersMember"/>
  <xs:element name="OrdinarySharesHeldByShoulderUpBridgeLoanHolderMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_OrdinarySharesHeldByShoulderUpBridgeLoanHolderMember"/>
  <xs:element name="OriginalPublicShareholdersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_OriginalPublicShareholdersMember"/>
  <xs:element name="OutstandingStockOptionsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_OutstandingStockOptionsMember"/>
  <xs:element name="PIPE1Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_PIPE1Member"/>
  <xs:element name="PIPE2Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_PIPE2Member"/>
  <xs:element name="PIPE3Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_PIPE3Member"/>
  <xs:element name="PIPEInvestmentsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_PIPEInvestmentsMember"/>
  <xs:element name="PIPEInvestorsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_PIPEInvestorsMember"/>
  <xs:element name="PRBTransportationLLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_PRBTransportationLLCMember"/>
  <xs:element name="PopeTechnologiesLLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_PopeTechnologiesLLCMember"/>
  <xs:element name="PublicShareholdersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_PublicShareholdersMember"/>
  <xs:element name="PublicWarrantMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_PublicWarrantMember"/>
  <xs:element name="RetroactiveApplicationOfRecapitalizationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_RetroactiveApplicationOfRecapitalizationMember"/>
  <xs:element name="SAFEAgreementsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_SAFEAgreementsMember"/>
  <xs:element name="SAFENoteHoldersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_SAFENoteHoldersMember"/>
  <xs:element name="ShareSubscriptionLineOfCreditAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_ShareSubscriptionLineOfCreditAgreementMember"/>
  <xs:element name="ShoulderUpBridgeLoanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_ShoulderUpBridgeLoanMember"/>
  <xs:element name="ShoulderUpMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_ShoulderUpMember"/>
  <xs:element name="ShoulderUpsOfficersAndDirectorsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_ShoulderUpsOfficersAndDirectorsMember"/>
  <xs:element name="StandbyEquityPurchaseAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_StandbyEquityPurchaseAgreementMember"/>
  <xs:element name="StarUpNVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_StarUpNVMember"/>
  <xs:element name="StartUpNVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_StartUpNVMember"/>
  <xs:element name="TwoThousandTwentyOneEquityInventivePlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_TwoThousandTwentyOneEquityInventivePlanMember"/>
  <xs:element name="UnsecuredBridgeLoanAgreementsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_UnsecuredBridgeLoanAgreementsMember"/>
  <xs:element name="WarrantsEachExercisableForOneShareOfCommonStockAtAnExercisePriceOf1150PerShareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_WarrantsEachExercisableForOneShareOfCommonStockAtAnExercisePriceOf1150PerShareMember"/>
  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="daic_DocumentAndEntityInformationAbstract"/>
</xs:schema>
