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  <xs:import namespace="http://fasb.org/srt-types/2026" schemaLocation="https://xbrl.fasb.org/srt/2026/elts/srt-types-2026.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/sic/2026" schemaLocation="https://xbrl.sec.gov/sic/2026/sic-2026.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2026" schemaLocation="https://xbrl.sec.gov/ecd/2026/ecd-2026.xsd"/>
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  <xs:element name="CommonStockToBeIssued" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="olb_CommonStockToBeIssued"/>
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  <xs:element name="DepreciationExpenseCryptocurrencyMining" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="olb_DepreciationExpenseCryptocurrencyMining"/>
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  <xs:element name="StockIssuedDuringPeriodValueExerciseOfPrefundedWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="olb_StockIssuedDuringPeriodValueExerciseOfPrefundedWarrants"/>
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  <xs:element name="StockIssuedDuringPeriodValueCommonStockIssuedForAccruedSalaryAndLoansPayableRelatedParty" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="olb_StockIssuedDuringPeriodValueCommonStockIssuedForAccruedSalaryAndLoansPayableRelatedParty"/>
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  <xs:element name="AdjustmentToAdditionalPaidInCapitalDeemedDividendPreferredStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="olb_AdjustmentToAdditionalPaidInCapitalDeemedDividendPreferredStock"/>
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  <xs:element name="LoanExtinguishmentRelatedExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="olb_LoanExtinguishmentRelatedExpense"/>
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  <xs:element name="CommonStockIssuedForSettlementOfAccountsPayableAndDebt" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="olb_CommonStockIssuedForSettlementOfAccountsPayableAndDebt"/>
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  <xs:element name="BitcoinPolicyPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_BitcoinPolicyPolicyTextBlock"/>
  <xs:element name="ReserveForChargebackLossesPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_ReserveForChargebackLossesPolicyTextBlock"/>
  <xs:element name="ScheduleOfEstimatedUsefulLifeTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_ScheduleOfEstimatedUsefulLifeTableTextBlock"/>
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  <xs:element name="AcquisitionInterestRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_AcquisitionInterestRate"/>
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  <xs:element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsUnderwriterWarrantExercisableWeightedAverageRemainingContractualTerm7" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsUnderwriterWarrantExercisableWeightedAverageRemainingContractualTerm7"/>
  <xs:element name="IncreaseDecreaseOfAccountsReceivable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="olb_IncreaseDecreaseOfAccountsReceivable"/>
  <xs:element name="DueTofromIntercompany" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="olb_DueTofromIntercompany"/>
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  <xs:element name="GainOnSettlementOfAccountsPayable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="olb_GainOnSettlementOfAccountsPayable"/>
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  <xs:element name="BitcoinPerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="olb_BitcoinPerShare"/>
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  <xs:element name="MinimumPayoutThresholdOfDigitalAsset" type="xbrli:decimalItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_MinimumPayoutThresholdOfDigitalAsset"/>
  <xs:element name="LiquidityandCapitalResourcesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="olb_LiquidityandCapitalResourcesDetailsTable"/>
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  <xs:element name="OperatingLeaseDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="olb_OperatingLeaseDetailsTable"/>
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  <xs:element name="AnnualBaseSalary" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="olb_AnnualBaseSalary"/>
  <xs:element name="TargetAnnualBonus" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="olb_TargetAnnualBonus"/>
  <xs:element name="AnnualIncreaseInBaseSalary" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_AnnualIncreaseInBaseSalary"/>
  <xs:element name="MonthlyAutomobileAllowanceAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="olb_MonthlyAutomobileAllowanceAmount"/>
  <xs:element name="CommitmentsandContingenciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="olb_CommitmentsandContingenciesDetailsTable"/>
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  <xs:element name="MerchantPortfolioPurchaseInstallmentObligationDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="olb_MerchantPortfolioPurchaseInstallmentObligationDetailsTable"/>
  <xs:element name="MerchantPortfolioPurchaseInstallmentObligationDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_MerchantPortfolioPurchaseInstallmentObligationDetailsLineItems"/>
  <xs:element name="SubsequentEventsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="olb_SubsequentEventsDetailsTable"/>
  <xs:element name="SubsequentEventsDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_SubsequentEventsDetailsLineItems"/>
  <xs:element name="AIConsultingServicesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_AIConsultingServicesMember"/>
  <xs:element name="AcquisitionOfInterestOfCuentasSDILLCOnJuneFifteenTwoThousandTwentyThreeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_AcquisitionOfInterestOfCuentasSDILLCOnJuneFifteenTwoThousandTwentyThreeMember"/>
  <xs:element name="BitcoinMiningEquipmentMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_BitcoinMiningEquipmentMember"/>
  <xs:element name="BitcoinMiningSegmentMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_BitcoinMiningSegmentMember"/>
  <xs:element name="CommonStockToBeIssuedMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_CommonStockToBeIssuedMember"/>
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  <xs:element name="ConsultingServicesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_ConsultingServicesMember"/>
  <xs:element name="CuentasSDILLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_CuentasSDILLCMember"/>
  <xs:element name="DigitalProductRevenueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_DigitalProductRevenueMember"/>
  <xs:element name="EVanceIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_EVanceIncMember"/>
  <xs:element name="ExcelCorporationAndSubsidiariesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_ExcelCorporationAndSubsidiariesMember"/>
  <xs:element name="ExistingWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_ExistingWarrantsMember"/>
  <xs:element name="FFSDataCorporationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_FFSDataCorporationMember"/>
  <xs:element name="FintechSegmentMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_FintechSegmentMember"/>
  <xs:element name="MasterEquipmentFinanceAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_MasterEquipmentFinanceAgreementMember"/>
  <xs:element name="MaximGroupLLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_MaximGroupLLCMember"/>
  <xs:element name="MerchantEquipmentRentalAndSalesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_MerchantEquipmentRentalAndSalesMember"/>
  <xs:element name="MrYakovMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_MrYakovMember"/>
  <xs:element name="OtherRevenueFromMonthlyRecurringSubscriptionsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_OtherRevenueFromMonthlyRecurringSubscriptionsMember"/>
  <xs:element name="PreFundedWarrantMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_PreFundedWarrantMember"/>
  <xs:element name="PurchaseAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_PurchaseAgreementMember"/>
  <xs:element name="RevenueNetBitcoinMiningMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_RevenueNetBitcoinMiningMember"/>
  <xs:element name="ServiceProviderSettlementAccountsPayableMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_ServiceProviderSettlementAccountsPayableMember"/>
  <xs:element name="ThirdPartyAIConsultingServiceMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_ThirdPartyAIConsultingServiceMember"/>
  <xs:element name="ThirdPartyConsultingServicesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_ThirdPartyConsultingServicesMember"/>
  <xs:element name="ThirdPartySettlementAccountsPayableMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_ThirdPartySettlementAccountsPayableMember"/>
  <xs:element name="ThirdPartySettlementOfAccountsPayableMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_ThirdPartySettlementOfAccountsPayableMember"/>
  <xs:element name="TransactionAndProcessingFeesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_TransactionAndProcessingFeesMember"/>
  <xs:element name="VFSLoanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_VFSLoanMember"/>
  <xs:element name="YakovLLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_YakovLLCMember"/>
  <xs:element name="MerchantPortfolioPurchaseInstallmentObligationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_MerchantPortfolioPurchaseInstallmentObligationAbstract"/>
  <xs:element name="ScheduleOfCompanySOutstandingWarrantsAndChangesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_ScheduleOfCompanySOutstandingWarrantsAndChangesAbstract"/>
  <xs:element name="ScheduleOfEstimatedUsefulLivesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_ScheduleOfEstimatedUsefulLivesAbstract"/>
  <xs:element name="ScheduleOfGoodwillAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_ScheduleOfGoodwillAbstract"/>
  <xs:element name="ScheduleOfOutstandingStockOptionsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_ScheduleOfOutstandingStockOptionsAbstract"/>
  <xs:element name="ScheduleOfPropertyAndEquipmentAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_ScheduleOfPropertyAndEquipmentAbstract"/>
  <xs:element name="ScheduleOfRevenueDisaggregatedByRevenueSourceAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="olb_ScheduleOfRevenueDisaggregatedByRevenueSourceAbstract"/>
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</xs:schema>
