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  <xs:element id="mrln_WarrantLiabilitiesMember" name="WarrantLiabilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
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  <xs:element id="mrln_SecondAnniversaryMember" name="SecondAnniversaryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
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  <xs:element id="mrln_PercentageOfPaidInKind" name="PercentageOfPaidInKind" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
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  <xs:element id="mrln_StockOptionsMember" name="StockOptionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
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  <xs:element id="mrln_FourthAnniversaryMember" name="FourthAnniversaryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_TwoThousandNineteenLSAWarrantsMember" name="TwoThousandNineteenLSAWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_PropertyAndEquipmentNetAndOperatingLeaseRightofuseAssets" name="PropertyAndEquipmentNetAndOperatingLeaseRightofuseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
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  <xs:element id="mrln_PGF2022AgreementMember" name="PGF2022AgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
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  <xs:element id="mrln_PIPEBridgeNotesMember" name="PIPEBridgeNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
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  <xs:element id="mrln_SellingAndMarketingMember" name="SellingAndMarketingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_ProceedsFromExchangeForCash" name="ProceedsFromExchangeForCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="mrln_PercentageOfCaseOfEmployeesHolding" name="PercentageOfCaseOfEmployeesHolding" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="mrln_ChangeInAirValueOfWarrantsAfterTheMerger" name="ChangeInAirValueOfWarrantsAfterTheMerger" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
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  <xs:element id="mrln_ExchangeOfWarrantsInTheMerger" name="ExchangeOfWarrantsInTheMerger" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="mrln_ExerciseOfWarrantsPriorToMerger" name="ExerciseOfWarrantsPriorToMerger" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="mrln_MeasurementInputProbabilityOfOccurrence" name="MeasurementInputProbabilityOfOccurrence" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="mrln_WarrantsDisclosureTextBlock" name="WarrantsDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="mrln_TradingDay" name="TradingDay" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="mrln_VolumeWeightedAveragePrice" name="VolumeWeightedAveragePrice" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="mrln_WarrantsDetailsTable" name="WarrantsDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_RetroactiveApplicationOfRecapitalization" name="RetroactiveApplicationOfRecapitalization" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="mrln_ScheduleOfStockOptionActivityAbstract" name="ScheduleOfStockOptionActivityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_WeightedAverageExercisePriceRetroactiveApplicationOfRecapitalization" name="WeightedAverageExercisePriceRetroactiveApplicationOfRecapitalization" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="mrln_BenefitFromResearchAndDevelopmentAgreementMember" name="BenefitFromResearchAndDevelopmentAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_ChangeInFairValueOfConvertiblePromissoryNotesMember" name="ChangeInFairValueOfConvertiblePromissoryNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_ChangeInFairValueOfLongtermDebtMember" name="ChangeInFairValueOfLongtermDebtMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_ChangeInFairValueOfWarrantLiabilitiesMember" name="ChangeInFairValueOfWarrantLiabilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_ConsultingAndProfessionalServicesMember" name="ConsultingAndProfessionalServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_DepreciationMember" name="DepreciationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_FacilitiesMember" name="FacilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_InterestExpensesMember" name="InterestExpensesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_InterestIncomesMember" name="InterestIncomesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_OtherExpensesMember" name="OtherExpensesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_OtherExpensMember" name="OtherExpensMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_PersonnelMember" name="PersonnelMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_SoftwareMember" name="SoftwareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_TravelAndEntertainmentMember" name="TravelAndEntertainmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyLineItems" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="mrln_ShareBasedPaymentArrangementRecognizedAmountTable" name="ShareBasedPaymentArrangementRecognizedAmountTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
</xs:schema>
