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  <xs:element name="ConversionsOfConvertibleNotePayableAndAccruedInterestToCommonStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_ConversionsOfConvertibleNotePayableAndAccruedInterestToCommonStock"/>
  <xs:element name="UnamortizedWorkingCapitalFacilityFees" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_UnamortizedWorkingCapitalFacilityFees"/>
  <xs:element name="CarryingValueAtMarch312022" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_CarryingValueAtMarch312022"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTermsOne" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTermsOne"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAverageRemainingLifeGranted" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAverageRemainingLifeGranted"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAverageRemainingLifeExercisedcancelled" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAverageRemainingLifeExercisedcancelled"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTermsTwo" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTermsTwo"/>
  <xs:element name="StockholdersEquityDetailsScheduleofgrantdatefairvalueofoptionsgrantedTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="auid_StockholdersEquityDetailsScheduleofgrantdatefairvalueofoptionsgrantedTable"/>
  <xs:element name="StockholdersEquityDetailsScheduleofgrantdatefairvalueofoptionsgrantedLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_StockholdersEquityDetailsScheduleofgrantdatefairvalueofoptionsgrantedLineItems"/>
  <xs:element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermGranted" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermGranted"/>
  <xs:element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermExercised" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermExercised"/>
  <xs:element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermForfeitures" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermForfeitures"/>
  <xs:element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3"/>
  <xs:element name="DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivable"/>
  <xs:element name="SaleOfCosniderationOnDispostionOfNetAssetsProceeds" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_SaleOfCosniderationOnDispostionOfNetAssetsProceeds"/>
  <xs:element name="WriteOffNetPayableWithCP" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_WriteOffNetPayableWithCP"/>
  <xs:element name="NetLossOnSaleOfADiscontinuedOperation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_NetLossOnSaleOfADiscontinuedOperation"/>
  <xs:element name="DepreciationAndAmortizations" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_DepreciationAndAmortizations"/>
  <xs:element name="AssetsOfDisposalGroupIncludingAssetsHeldForSale" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_AssetsOfDisposalGroupIncludingAssetsHeldForSale"/>
  <xs:element name="AccumulatedDeficit" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_AccumulatedDeficit"/>
  <xs:element name="lossFromOpration" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_lossFromOpration"/>
  <xs:element name="SharesOfOurCommonStock" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_SharesOfOurCommonStock"/>
  <xs:element name="ConvertibleCommonStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_ConvertibleCommonStock"/>
  <xs:element name="MaturityDate" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MaturityDate"/>
  <xs:element name="RelatedPartyTransactionsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="auid_RelatedPartyTransactionsDetailsTable"/>
  <xs:element name="RelatedPartyTransactionsDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_RelatedPartyTransactionsDetailsLineItems"/>
  <xs:element name="CashInvested" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_CashInvested"/>
  <xs:element name="CommonStockOffering" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_CommonStockOffering"/>
  <xs:element name="StockholdersEquityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="auid_StockholdersEquityDetailsTable"/>
  <xs:element name="StockholdersEquityDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_StockholdersEquityDetailsLineItems"/>
  <xs:element name="AmountOfInterestOwed" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_AmountOfInterestOwed"/>
  <xs:element name="GrossProceeds" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_GrossProceeds"/>
  <xs:element name="ReceivedConversionNoticesDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ReceivedConversionNoticesDescription"/>
  <xs:element name="SaleOfCardPlusDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_SaleOfCardPlusDescription"/>
  <xs:element name="DescriptionOfEmployeeAndConsultantsPayment" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_DescriptionOfEmployeeAndConsultantsPayment"/>
  <xs:element name="FinanceLeaseLiabilityToBePaidYearOne" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_FinanceLeaseLiabilityToBePaidYearOne"/>
  <xs:element name="CommitmentsandContingenciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="auid_CommitmentsandContingenciesDetailsTable"/>
  <xs:element name="CommitmentsandContingenciesDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_CommitmentsandContingenciesDetailsLineItems"/>
  <xs:element name="AcquiredAndDevelopedSoftwareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_AcquiredAndDevelopedSoftwareMember"/>
  <xs:element name="CardsPlusMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_CardsPlusMember"/>
  <xs:element name="ConvertibleNotesPayableIssuedMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ConvertibleNotesPayableIssuedMember"/>
  <xs:element name="ExercisePrice03400Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ExercisePrice03400Member"/>
  <xs:element name="ExercisePrice10011593Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ExercisePrice10011593Member"/>
  <xs:element name="ExercisePrice401700Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ExercisePrice401700Member"/>
  <xs:element name="ExercisePrice7011000Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ExercisePrice7011000Member"/>
  <xs:element name="LongBeachNewYorkMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_LongBeachNewYorkMember"/>
  <xs:element name="MrSzokeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MrSzokeMember"/>
  <xs:element name="MultiPayMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MultiPayMember"/>
  <xs:element name="RestatedSternNoteMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_RestatedSternNoteMember"/>
  <xs:element name="TenPercentConvertibleNotesPayableMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_TenPercentConvertibleNotesPayableMember"/>
  <xs:element name="TwoDirectorsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_TwoDirectorsMember"/>
  <xs:element name="ScheduleOfAccountsPayableAndAccruedExpensesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ScheduleOfAccountsPayableAndAccruedExpensesAbstract"/>
  <xs:element name="ScheduleOfOtherAssetsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ScheduleOfOtherAssetsAbstract"/>
  <xs:element name="ScheduleOfOtherCurrentAssetsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ScheduleOfOtherCurrentAssetsAbstract"/>
  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_DocumentAndEntityInformationAbstract"/>
</xs:schema>
