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  <xs:element name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardNonOptionsGrantsInPeriodWeightedAverageExercisePrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ShareBasedCompensationArrangementsByShareBasedPaymentAwardNonOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
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  <xs:element name="RelatedPartyTransactionsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="auid_RelatedPartyTransactionsDetailsTable"/>
  <xs:element name="ReductionInConsiderationFromServices" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_ReductionInConsiderationFromServices"/>
  <xs:element name="SeveranceLiabilityCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_SeveranceLiabilityCurrent"/>
  <xs:element name="MonthlyMinimumFees" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="auid_MonthlyMinimumFees"/>
  <xs:element name="StockholdersEquityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="auid_StockholdersEquityDetailsTable"/>
  <xs:element name="StatutoryDamagesForNegligentViolation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_StatutoryDamagesForNegligentViolation"/>
  <xs:element name="StatutoryDamagesForRecklessViolation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="auid_StatutoryDamagesForRecklessViolation"/>
  <xs:element name="SubsequentEventsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="auid_SubsequentEventsDetailsTable"/>
  <xs:element name="AcquiredAndDevelopedSoftwareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_AcquiredAndDevelopedSoftwareMember"/>
  <xs:element name="DaleDaguroMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_DaleDaguroMember"/>
  <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="MrDaguroMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MrDaguroMember"/>
  <xs:element name="MrThimotMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_MrThimotMember"/>
  <xs:element name="RemainingPerformanceObligationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_RemainingPerformanceObligationMember"/>
  <xs:element name="RestrictedStockAwardsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_RestrictedStockAwardsMember"/>
  <xs:element name="SeniorSecuredDebenturesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_SeniorSecuredDebenturesMember"/>
  <xs:element name="TenPointZeroOneToFifteenPointZeroZeroMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_TenPointZeroOneToFifteenPointZeroZeroMember"/>
  <xs:element name="ThePipelineGroupIncTPGMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ThePipelineGroupIncTPGMember"/>
  <xs:element name="ThreeCustomersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_ThreeCustomersMember"/>
  <xs:element name="TwentyPointZeroOneToOneHundredTwentyOnePointTwoEightMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_TwentyPointZeroOneToOneHundredTwentyOnePointTwoEightMember"/>
  <xs:element name="TwoCustomersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_TwoCustomersMember"/>
  <xs:element name="TwoPointSixFourToFivePointZeroZeroMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="auid_TwoPointSixFourToFivePointZeroZeroMember"/>
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</xs:schema>
