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  <xs:element name="SettlementOfAccountsPayableWithIssuanceOfCommonStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_SettlementOfAccountsPayableWithIssuanceOfCommonStock"/>
  <xs:element name="CommonStockForWorkingCapitalFacility" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_CommonStockForWorkingCapitalFacility"/>
  <xs:element name="WarrantForServicesWithTheIssuanceOfConvertibleDebt" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_WarrantForServicesWithTheIssuanceOfConvertibleDebt"/>
  <xs:element name="WorkingCapitalFaciltiyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_WorkingCapitalFaciltiyTextBlock"/>
  <xs:element name="GoingConcernPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_GoingConcernPolicyTextBlock"/>
  <xs:element name="StockholdersEquityTablesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="auid_StockholdersEquityTablesTable"/>
  <xs:element name="StockholdersEquityTablesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_StockholdersEquityTablesLineItems"/>
  <xs:element name="UnamortizedWorkingCapitalFacilityFeesCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_UnamortizedWorkingCapitalFacilityFeesCurrent"/>
  <xs:element name="UnamortizedWorkingCapitalFacilityFeesNonCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_UnamortizedWorkingCapitalFacilityFeesNonCurrent"/>
  <xs:element name="PercentageOfConvertibleNotesDue" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="auid_PercentageOfConvertibleNotesDue"/>
  <xs:element name="StockholdersEquityDetailsScheduleofCompanysWarrantActivityTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="auid_StockholdersEquityDetailsScheduleofCompanysWarrantActivityTable"/>
  <xs:element name="StockholdersEquityDetailsScheduleofCompanysWarrantActivityLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_StockholdersEquityDetailsScheduleofCompanysWarrantActivityLineItems"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageExercisePrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="auid_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageExercisePrice"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageRemainingContractualTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageRemainingContractualTerm"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantedWeightedAverageExercisePrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantedWeightedAverageExercisePrice"/>
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  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisedWeightedAverageExercisePrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisedWeightedAverageExercisePrice"/>
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  <xs:element name="StockholdersEquityDetailsScheduleofGrantDateFairMarketValueofOptionsGrantedTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="auid_StockholdersEquityDetailsScheduleofGrantDateFairMarketValueofOptionsGrantedTable"/>
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  <xs:element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageContractualLifeExercised" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageContractualLifeExercised"/>
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  <xs:element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAggregateIntrinsicValueForfeitedcancelled" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAggregateIntrinsicValueForfeitedcancelled"/>
  <xs:element name="EffectiveIncomeTaxRateLossOnDebtExtinguishment" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_EffectiveIncomeTaxRateLossOnDebtExtinguishment"/>
  <xs:element name="DiscontinuedOperationsandAssetsHeldforSaleDetailsScheduleofAssetsandLiabilitiesoftheMultiPaySaleandConsiderationReceivedTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="auid_DiscontinuedOperationsandAssetsHeldforSaleDetailsScheduleofAssetsandLiabilitiesoftheMultiPaySaleandConsiderationReceivedTable"/>
  <xs:element name="DisposalGroupIncludingDiscontinuedOperationLessValueAddedTax" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_DisposalGroupIncludingDiscontinuedOperationLessValueAddedTax"/>
  <xs:element name="DisposalGroupIncludingDiscontinuedOperatioNetConsideration" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_DisposalGroupIncludingDiscontinuedOperatioNetConsideration"/>
  <xs:element name="DisposalGroupIncludingDiscontinuedOperationImpairmentLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_DisposalGroupIncludingDiscontinuedOperationImpairmentLoss"/>
  <xs:element name="DisposalGroupIncludingDiscontinuedOperationNonoperatingIncomeexpenseNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_DisposalGroupIncludingDiscontinuedOperationNonoperatingIncomeexpenseNet"/>
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  <xs:element name="DisposalGroupIncludingDiscontinuedOperationIncreaseDecreaseInOtherCurrentAssets" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_DisposalGroupIncludingDiscontinuedOperationIncreaseDecreaseInOtherCurrentAssets"/>
  <xs:element name="DisposalGroupIncludingDiscontinuedOperationIncreaseDecreaseInInventory" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_DisposalGroupIncludingDiscontinuedOperationIncreaseDecreaseInInventory"/>
  <xs:element name="DisposalGroupIncludingDiscontinuedOperationIncreaseDecreaseInAccountsPayableAndAccruedLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_DisposalGroupIncludingDiscontinuedOperationIncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
  <xs:element name="DisposalGroupIncludingDiscontinuedOperationIncreaseDecreaseInDeferredRevenue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_DisposalGroupIncludingDiscontinuedOperationIncreaseDecreaseInDeferredRevenue"/>
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  <xs:element name="AggregateGrossProceeds" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_AggregateGrossProceeds"/>
  <xs:element name="ExcessInsuredAmountsFederalDepositoryCorporation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_ExcessInsuredAmountsFederalDepositoryCorporation"/>
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  <xs:element name="WorkingCapitalFacilityDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_WorkingCapitalFacilityDetailsLineItems"/>
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  <xs:element name="ConvertibleNotesPayableDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ConvertibleNotesPayableDetailsLineItems"/>
  <xs:element name="IssuedOfCommonStockOriginationFee" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_IssuedOfCommonStockOriginationFee"/>
  <xs:element name="EstimatedGrantDateFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_EstimatedGrantDateFairValue"/>
  <xs:element name="RelatedPartyTransactionsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="auid_RelatedPartyTransactionsDetailsTable"/>
  <xs:element name="SharesOfCommonStockExchanged" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_SharesOfCommonStockExchanged"/>
  <xs:element name="PercentageOfOutstandingShares" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_PercentageOfOutstandingShares"/>
  <xs:element name="AmendedAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_AmendedAmount"/>
  <xs:element name="AccruedSeveranceLiability" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_AccruedSeveranceLiability"/>
  <xs:element name="StockIssuedDuringPeriodValueIssuedForServicesTotalPaid" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_StockIssuedDuringPeriodValueIssuedForServicesTotalPaid"/>
  <xs:element name="UnsecuredLineOfCreditFacility" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_UnsecuredLineOfCreditFacility"/>
  <xs:element name="AnnualBaseSalaryAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_AnnualBaseSalaryAmount"/>
  <xs:element name="PerfomanceBasedBonusAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_PerfomanceBasedBonusAmount"/>
  <xs:element name="PerformanceContributionsAggregateAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_PerformanceContributionsAggregateAmount"/>
  <xs:element name="StockholdersEquityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="auid_StockholdersEquityDetailsTable"/>
  <xs:element name="StockBasedCompensationCommonStockValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_StockBasedCompensationCommonStockValue"/>
  <xs:element name="NumberOfNonemployeeDirectors" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_NumberOfNonemployeeDirectors"/>
  <xs:element name="PerformanceBasedAndMarketBasedOptions" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_PerformanceBasedAndMarketBasedOptions"/>
  <xs:element name="DiscontinuedOperationsandAssetsHeldforSaleDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="auid_DiscontinuedOperationsandAssetsHeldforSaleDetailsTable"/>
  <xs:element name="SaleOfCardPlus" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_SaleOfCardPlus"/>
  <xs:element name="CardPlusAmountReceived" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_CardPlusAmountReceived"/>
  <xs:element name="DisposalGroupNotDiscontinuedOperationRecognizedGain" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_DisposalGroupNotDiscontinuedOperationRecognizedGain"/>
  <xs:element name="CommitmentsandContingenciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="auid_CommitmentsandContingenciesDetailsTable"/>
  <xs:element name="ARFacilityAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ARFacilityAgreementMember"/>
  <xs:element name="AchievingIncrementsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_AchievingIncrementsMember"/>
  <xs:element name="AcquiredAndDevelopedSoftwareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_AcquiredAndDevelopedSoftwareMember"/>
  <xs:element name="AnniePhamMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_AnniePhamMember"/>
  <xs:element name="CardsPlusBusinessInSouthAfricaMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_CardsPlusBusinessInSouthAfricaMember"/>
  <xs:element name="CardsPlusMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_CardsPlusMember"/>
  <xs:element name="ChiefTechnologyOfficerMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ChiefTechnologyOfficerMember"/>
  <xs:element name="ConvertibleNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ConvertibleNotesMember"/>
  <xs:element name="CustomerThreeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_CustomerThreeMember"/>
  <xs:element name="CustomersTwoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_CustomersTwoMember"/>
  <xs:element name="FifteenPointZeroOneToTwentyPointZeroZeroMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_FifteenPointZeroOneToTwentyPointZeroZeroMember"/>
  <xs:element name="FivePointZeroOneToTenPointZeroZeroMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_FivePointZeroOneToTenPointZeroZeroMember"/>
  <xs:element name="GarchikMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_GarchikMember"/>
  <xs:element name="HoldersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_HoldersMember"/>
  <xs:element name="InducementGrantPlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_InducementGrantPlanMember"/>
  <xs:element name="InitialAnnualSalaryMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_InitialAnnualSalaryMember"/>
  <xs:element name="InternationalCustomersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_InternationalCustomersMember"/>
  <xs:element name="IssuanceOfCommonStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_IssuanceOfCommonStockMember"/>
  <xs:element name="LegacyAuthenticationServicesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_LegacyAuthenticationServicesMember"/>
  <xs:element name="LegacyCustomerMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_LegacyCustomerMember"/>
  <xs:element name="MadisonGlobalPartnersLLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MadisonGlobalPartnersLLCMember"/>
  <xs:element name="MadisonIIILLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MadisonIIILLCMember"/>
  <xs:element name="MessrsJosephTrelinMichaelKoehnemanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MessrsJosephTrelinMichaelKoehnemanMember"/>
  <xs:element name="MichaelThompsonMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MichaelThompsonMember"/>
  <xs:element name="MrDaguroMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MrDaguroMember"/>
  <xs:element name="MrGarchikMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MrGarchikMember"/>
  <xs:element name="MrSellittoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MrSellittoMember"/>
  <xs:element name="MrStephenJGarchikMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MrStephenJGarchikMember"/>
  <xs:element name="MrSzokeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MrSzokeMember"/>
  <xs:element name="MrThimotMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MrThimotMember"/>
  <xs:element name="MrTrelinMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MrTrelinMember"/>
  <xs:element name="MsJacquelineWhiteMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MsJacquelineWhiteMember"/>
  <xs:element name="MsPhamMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MsPhamMember"/>
  <xs:element name="MultiPayBusinessInColombiaMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MultiPayBusinessInColombiaMember"/>
  <xs:element name="MultiPayMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MultiPayMember"/>
  <xs:element name="OriginalFacilityAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_OriginalFacilityAgreementMember"/>
  <xs:element name="OutsideInvestorMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_OutsideInvestorMember"/>
  <xs:element name="OutstandingBalanceMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_OutstandingBalanceMember"/>
  <xs:element name="PIPEInvestorsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_PIPEInvestorsMember"/>
  <xs:element name="RegisteredPublicOfferingMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_RegisteredPublicOfferingMember"/>
  <xs:element name="SternTrustMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_SternTrustMember"/>
  <xs:element name="TPGMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_TPGMember"/>
  <xs:element name="TenPointZeroOneToFifteenPointZeroZeroMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_TenPointZeroOneToFifteenPointZeroZeroMember"/>
  <xs:element name="TwentyPointZeroOneToOneHundredTwentyOnePointTwoEightMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_TwentyPointZeroOneToOneHundredTwentyOnePointTwoEightMember"/>
  <xs:element name="TwoPointSixFourToFivePointZeroZeroMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_TwoPointSixFourToFivePointZeroZeroMember"/>
  <xs:element name="TwoThousandTwentyThreeStockOptionIssuancesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_TwoThousandTwentyThreeStockOptionIssuancesMember"/>
  <xs:element name="TwoThousandTwentyTwoCommonStockTransactionsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_TwoThousandTwentyTwoCommonStockTransactionsMember"/>
  <xs:element name="TwoThousandTwentyTwoStockOptionIssuancesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_TwoThousandTwentyTwoStockOptionIssuancesMember"/>
  <xs:element name="TwoZeroTwoThreeCommonStockTransactionsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_TwoZeroTwoThreeCommonStockTransactionsMember"/>
  <xs:element name="VerifiedSoftwareLicenseMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_VerifiedSoftwareLicenseMember"/>
  <xs:element name="MultiPayAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MultiPayAbstract"/>
  <xs:element name="ScheduleOfDeferredContractCostActivityAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ScheduleOfDeferredContractCostActivityAbstract"/>
  <xs:element name="ScheduleOfGrantDateFairMarketValueOfOptionsGrantedLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ScheduleOfGrantDateFairMarketValueOfOptionsGrantedLineItems"/>
  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_DocumentAndEntityInformationAbstract"/>
</xs:schema>
