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  <xs:element id="mq_AccountingPoliciesAndSupplementalInformationLineItems" abstract="true" name="AccountingPoliciesAndSupplementalInformationLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mq_ReclassificationOfRestrictedCashToCashAndCashEquivalents" abstract="false" name="ReclassificationOfRestrictedCashToCashAndCashEquivalents" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_RevenueFromContractWithCustomerStandardContractTerm" abstract="false" name="RevenueFromContractWithCustomerStandardContractTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="mq_RevenueFromContractWithCustomerStandardContractAutomaticRenewalTerm" abstract="false" name="RevenueFromContractWithCustomerStandardContractAutomaticRenewalTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="mq_RevenueFromContractWithCustomerCardNetworkFeesRecognizedFromChangeInAccountingPolicy" abstract="false" name="RevenueFromContractWithCustomerCardNetworkFeesRecognizedFromChangeInAccountingPolicy" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_RevenueFromContractWithCustomerCardNetworkTerm" abstract="false" name="RevenueFromContractWithCustomerCardNetworkTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="mq_RevenueFromContractWithCustomerCardNetworkRenewalTerm" abstract="false" name="RevenueFromContractWithCustomerCardNetworkRenewalTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="mq_ShareBasedCompensationArrangementByShareBasedPaymentAwardPreEstablishedPerformanceTargetPercentages" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPreEstablishedPerformanceTargetPercentages" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="mq_PlatformServiceRevenueNetMember" abstract="true" name="PlatformServiceRevenueNetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_OtherServicesRevenueMember" abstract="true" name="OtherServicesRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_TransactPayBusinessMember" abstract="true" name="TransactPayBusinessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_IndemnificationPurposesMember" abstract="true" name="IndemnificationPurposesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_BusinessCombinationContingentConsiderationHoldbackConsideration" abstract="false" name="BusinessCombinationContingentConsiderationHoldbackConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_BusinessCombinationConsiderationTransferredOther" abstract="false" name="BusinessCombinationConsiderationTransferredOther" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_PowerFinanceIncMember" abstract="true" name="PowerFinanceIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_PostClosingAdjustmentsMember" abstract="true" name="PostClosingAdjustmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_RegulatoryImprovementEarnOutMember" abstract="true" name="RegulatoryImprovementEarnOutMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_DigitalProductsEarnOutMember" abstract="true" name="DigitalProductsEarnOutMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_PostCombinationCompensationMember" abstract="true" name="PostCombinationCompensationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_BusinessCombinationHoldbackConsiderationLiability" abstract="false" name="BusinessCombinationHoldbackConsiderationLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_BusinessCombinationContingentConsiderationNumberOfEarnOutArrangements" abstract="false" name="BusinessCombinationContingentConsiderationNumberOfEarnOutArrangements" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="mq_BusinessCombinationConsiderationTransferredPostcombinationCashAndNonCashExpense" abstract="false" name="BusinessCombinationConsiderationTransferredPostcombinationCashAndNonCashExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_BusinessCombinationConsiderationTransferredNonCashPostCombinationCompensation" abstract="false" name="BusinessCombinationConsiderationTransferredNonCashPostCombinationCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_BusinessCombinationConsiderationTransferredPostcombinationCashCombinationLiabilitySubjectToContinuousEmployment" abstract="false" name="BusinessCombinationConsiderationTransferredPostcombinationCashCombinationLiabilitySubjectToContinuousEmployment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_BusinessCombinationConsiderationTransferredPostcombinationCashCombinationLiabilitySubjectToContinuousEmploymentServicePeriod" abstract="false" name="BusinessCombinationConsiderationTransferredPostcombinationCashCombinationLiabilitySubjectToContinuousEmploymentServicePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="mq_EMILicenseMember" abstract="true" name="EMILicenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_BusinessCombinationRecognizedAssetsAcquiredRestrictedCash" abstract="false" name="BusinessCombinationRecognizedAssetsAcquiredRestrictedCash" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_BusinessCombinationRecognizedAssetAcquiredOperatingLeaseRightOfUseAssetsNet" abstract="false" name="BusinessCombinationRecognizedAssetAcquiredOperatingLeaseRightOfUseAssetsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_BusinessCombinationRecognizedLiabilityAssumedFundsPayableAndAmountsDueToCustomers" abstract="false" name="BusinessCombinationRecognizedLiabilityAssumedFundsPayableAndAmountsDueToCustomers" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_BusinessCombinationRecognizedLiabilityAssumedAccruedExpensesAndOtherLiabilitiesCurrent" abstract="false" name="BusinessCombinationRecognizedLiabilityAssumedAccruedExpensesAndOtherLiabilitiesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTangibleAssetsNet" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTangibleAssetsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsAndGoodwill" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsAndGoodwill" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_BusinessCombinationConsiderationTransferredPostcombinationCashNonCashExpenseAndOtherPurchaseAdjustment" abstract="false" name="BusinessCombinationConsiderationTransferredPostcombinationCashNonCashExpenseAndOtherPurchaseAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_BusinessCombinationConsiderationExcludingContingentConsideration" abstract="false" name="BusinessCombinationConsiderationExcludingContingentConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_DebtSecuritiesAvailableForSaleAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive" abstract="false" name="DebtSecuritiesAvailableForSaleAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive" abstract="false" name="DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_PrepaidHostingAndDataCosts" abstract="false" name="PrepaidHostingAndDataCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_AccruedCostOfRevenue" abstract="false" name="AccruedCostOfRevenue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_ReserveForContractContingenciesAndProcessingErrors" abstract="false" name="ReserveForContractContingenciesAndProcessingErrors" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_OaklandLeaseMember" abstract="true" name="OaklandLeaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_OperatingLeaseTriggeringEventLeaseTerminationNumberOfFloors" abstract="false" name="OperatingLeaseTriggeringEventLeaseTerminationNumberOfFloors" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="mq_BusinessCombinationRecognizedLiabilityAssumedLeaseObligationNumberOfLease" abstract="false" name="BusinessCombinationRecognizedLiabilityAssumedLeaseObligationNumberOfLease" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="mq_LesseeOperatingLeaseLiabilityToBePaidYearFiveAndThereafter" abstract="false" name="LesseeOperatingLeaseLiabilityToBePaidYearFiveAndThereafter" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_CardAndEMoneyWalletProgramsMember" abstract="true" name="CardAndEMoneyWalletProgramsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_RestrictedCashAndCashEquivalentsCurrentMember" abstract="true" name="RestrictedCashAndCashEquivalentsCurrentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_CloudComputingServiceAgreementMember" abstract="true" name="CloudComputingServiceAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_MarqetaInc.SecuritiesLitigationMember" abstract="true" name="MarqetaInc.SecuritiesLitigationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_LossContingencyDirectorsAndOfficersInsurancePolicyDeductibleAmount" abstract="false" name="LossContingencyDirectorsAndOfficersInsurancePolicyDeductibleAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_EmployeeStockOptionExcludingCEOLongTermPerformanceAwardMember" abstract="true" name="EmployeeStockOptionExcludingCEOLongTermPerformanceAwardMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_RestrictedStockUnitsWithServiceConditionMember" abstract="true" name="RestrictedStockUnitsWithServiceConditionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_RestrictedStockUnitsAndPerformanceStockUnitsMember" abstract="true" name="RestrictedStockUnitsAndPerformanceStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_ShareBasedPaymentArrangementOptionTenPercentStockholdersMember" abstract="true" name="ShareBasedPaymentArrangementOptionTenPercentStockholdersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_A2011And2021StockOptionAndIncentivePlanMember" abstract="true" name="A2011And2021StockOptionAndIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_A2021StockOptionAndIncentivePlanMember" abstract="true" name="A2021StockOptionAndIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAwardSharePriceFairMarketValueThresholdPercent" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAwardSharePriceFairMarketValueThresholdPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="mq_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAwardCombinedVotingPowerOfTenPercentStockholderPercent" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAwardCombinedVotingPowerOfTenPercentStockholderPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="mq_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodGrantDateFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_RestrictedStockAwardForfeituresRelatedToExpensesRecognizedInPriorPeriods" abstract="false" name="RestrictedStockAwardForfeituresRelatedToExpensesRecognizedInPriorPeriods" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_ShareBasedCompensationRecordedWithinCompensationAndBenefits" abstract="false" name="ShareBasedCompensationRecordedWithinCompensationAndBenefits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_CommonStockWarrantsMember" abstract="true" name="CommonStockWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_A2022ShareRepurchaseProgramMember" abstract="true" name="A2022ShareRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_A2023ShareRepurchaseProgramMember" abstract="true" name="A2023ShareRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_A2024ShareRepurchaseProgramMember" abstract="true" name="A2024ShareRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_February2025ShareRepurchaseProgramMember" abstract="true" name="February2025ShareRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_December2025ShareRepurchaseProgramMember" abstract="true" name="December2025ShareRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_ClassOfWarrantOrRightReductionToRevenuesNet" abstract="false" name="ClassOfWarrantOrRightReductionToRevenuesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_StockRepurchasedAndRetiredDuringPeriodTransactionCosts" abstract="false" name="StockRepurchasedAndRetiredDuringPeriodTransactionCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_NumeratorAbstract" abstract="true" name="NumeratorAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mq_DenominatorAbstract" abstract="true" name="DenominatorAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mq_WarrantsToPurchaseClassBCommonStockMember" abstract="true" name="WarrantsToPurchaseClassBCommonStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMergersAndAcquisitionsAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMergersAndAcquisitionsAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="mq_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMergersAndAcquisitionsPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMergersAndAcquisitionsPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="mq_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxesAggregateEffectPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxesAggregateEffectPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="mq_EffectiveIncomeTaxRateReconciliationMergersAndAcquisitionsPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationMergersAndAcquisitionsPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="mq_DeferredTaxAssetsOperatingLeaseLiability" abstract="false" name="DeferredTaxAssetsOperatingLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets" abstract="false" name="DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_UnrecognizedTaxBenefitsThatWouldNotImpactEffectiveTaxRate" abstract="false" name="UnrecognizedTaxBenefitsThatWouldNotImpactEffectiveTaxRate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mq_DebtSecuritiesAvailableForSaleMember" abstract="true" name="DebtSecuritiesAvailableForSaleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_MarketableSecuritiesMember" abstract="true" name="MarketableSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_SuttonBankMember" abstract="true" name="SuttonBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_Customer1Member" abstract="true" name="Customer1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_NumberOfIssuingBankPaymentSettlementThroughTransaction" abstract="false" name="NumberOfIssuingBankPaymentSettlementThroughTransaction" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="mq_Customer2Member" abstract="true" name="Customer2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_Customer3Member" abstract="true" name="Customer3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_Customer4Member" abstract="true" name="Customer4Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mq_ElainePaulMember" abstract="true" name="ElainePaulMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
