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<element name="NumberOfCommonStockPurchaseDueToIssuanceOfWarrants" id="blbk_NumberOfCommonStockPurchaseDueToIssuanceOfWarrants" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" />
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<element name="FourthClosingMember" id="blbk_FourthClosingMember" type="nonnum:domainItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="FifthClosingMember" id="blbk_FifthClosingMember" type="nonnum:domainItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="SixthClosingMember" id="blbk_SixthClosingMember" type="nonnum:domainItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="SeventhClosingMember" id="blbk_SeventhClosingMember" type="nonnum:domainItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="EighthClosingMember" id="blbk_EighthClosingMember" type="nonnum:domainItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="NinthClosingMember" id="blbk_NinthClosingMember" type="nonnum:domainItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="LicensorsWarrantsMember" id="blbk_LicensorsWarrantsMember" type="nonnum:domainItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="PrivatePlacementOfferingMember" id="blbk_PrivatePlacementOfferingMember" type="nonnum:domainItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="BrokerWarrantsMember" id="blbk_BrokerWarrantsMember" type="nonnum:domainItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="ConvertibleNoteWarrantsMember" id="blbk_ConvertibleNoteWarrantsMember" type="nonnum:domainItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="DebtConversionFeatureMember" id="blbk_DebtConversionFeatureMember" type="nonnum:domainItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="SeriesWarrantMember" id="blbk_SeriesWarrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="SeriesBWarrrantMember" id="blbk_SeriesBWarrrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="SeriesCWarrrantMember" id="blbk_SeriesCWarrrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="SeriesDWarrrantMember" id="blbk_SeriesDWarrrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="SeriesEWarrrantMember" id="blbk_SeriesEWarrrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="DerivativeLiabilityTextualAbstract" id="blbk_DerivativeLiabilityTextualAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="NumberOfCommonStockRepurchase" id="blbk_NumberOfCommonStockRepurchase" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" />
<element name="NumberOfWarrantsCancelled" id="blbk_NumberOfWarrantsCancelled" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" />
<element name="NumberOfBridgeWarrantsReceivedByBridgeHolder" id="blbk_NumberOfBridgeWarrantsReceivedByBridgeHolder" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" />
<element name="BridgeNoteWarrantsExercisableAtExercisePriceOne" id="blbk_BridgeNoteWarrantsExercisableAtExercisePriceOne" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
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<element name="WarrantsExercisablePriceTwo" id="blbk_WarrantsExercisablePriceTwo" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="WarrantsExercisablePriceThree" id="blbk_WarrantsExercisablePriceThree" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="NumberOfPrivatePlacementOfferingDueToConversionOfBridgeNotes" id="blbk_NumberOfPrivatePlacementOfferingDueToConversionOfBridgeNotes" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="NumberOfInvestorWarrantsDueToConversionOfBridgeNotes" id="blbk_NumberOfInvestorWarrantsDueToConversionOfBridgeNotes" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="NumberOfPrivatePlacementOfferingUnitsSold" id="blbk_NumberOfPrivatePlacementOfferingUnitsSold" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="DescriptionOfPrivatePlacementOffering" id="blbk_DescriptionOfPrivatePlacementOffering" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="NumberOfCommonStockConsistingDueToPrivatePlacementOffering" id="blbk_NumberOfCommonStockConsistingDueToPrivatePlacementOffering" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="NumberOfInvestorWarrantsConsistingDueToPrivatePlacementOffering" id="blbk_NumberOfInvestorWarrantsConsistingDueToPrivatePlacementOffering" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="ExercisePriceOfInvestorWarrants" id="blbk_ExercisePriceOfInvestorWarrants" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="ClassOfRightOrWarrantIssuedDuringPeriod" id="blbk_ClassOfRightOrWarrantIssuedDuringPeriod" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="NumberOfNotes" id="blbk_NumberOfNotes" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" />
<element name="ExercisePriceOfBrokerWarrants" id="blbk_ExercisePriceOfBrokerWarrants" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="ConvertibleNoteWarrantsExercisableAtExercisePriceThree" id="blbk_ConvertibleNoteWarrantsExercisableAtExercisePriceThree" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="ConvertibleNoteWarrantsExercisableAtExercisePriceFour" id="blbk_ConvertibleNoteWarrantsExercisableAtExercisePriceFour" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="WarrantsExercisablePriceFour" id="blbk_WarrantsExercisablePriceFour" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="ConvertibleNoteWarrantsIssued" id="blbk_ConvertibleNoteWarrantsIssued" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="WarrantsExercisablePriceFive" id="blbk_WarrantsExercisablePriceFive" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="WarrantsExercisablePriceSix" id="blbk_WarrantsExercisablePriceSix" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="WarrantsExercisablePriceSeven" id="blbk_WarrantsExercisablePriceSeven" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="ExercisePricePriorToAmendment" id="blbk_ExercisePricePriorToAmendment" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="ExercisePricePriorToAmendmentOne" id="blbk_ExercisePricePriorToAmendmentOne" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="ConvertibleNoteWarrantsExpenseAfterChangeInExercisePrice" id="blbk_ConvertibleNoteWarrantsExpenseAfterChangeInExercisePrice" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" />
<element name="IncreaseInClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" id="blbk_IncreaseInClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" type="us-types:perUnitItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" />
<element name="BrokerWarrantsIssuedShares" id="blbk_BrokerWarrantsIssuedShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
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<element name="OperatingLeaseAgreementOneMember" id="blbk_OperatingLeaseAgreementOneMember" type="nonnum:domainItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="OperatingLeaseAgreementTwoMember" id="blbk_OperatingLeaseAgreementTwoMember" type="nonnum:domainItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="RestrictedCommonStockOrWarrantsMember" id="blbk_RestrictedCommonStockOrWarrantsMember" type="nonnum:domainItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="PpoOfferingRegistrationRightsMember" id="blbk_PpoOfferingRegistrationRightsMember" type="nonnum:domainItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="ConvertibleNoteRegistrationRightsAgreementMember" id="blbk_ConvertibleNoteRegistrationRightsAgreementMember" type="nonnum:domainItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="CommitmentsAndContingenciesLineItems" id="blbk_CommitmentsAndContingenciesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
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<element name="TermOfWarrants" id="blbk_TermOfWarrants" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="DurationOfAdvanceRoyalties" id="blbk_DurationOfAdvanceRoyalties" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="OperatingLeaseDuration" id="blbk_OperatingLeaseDuration" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="NumberOfPendingTrademarkApplication" id="blbk_NumberOfPendingTrademarkApplication" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" />
<element name="OperatingLeasesPeriodicRentExpense" id="blbk_OperatingLeasesPeriodicRentExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" />
<element name="NumberOfDaysInWhichBondAmountNeedToDepositOnEntryOfInjunction" id="blbk_NumberOfDaysInWhichBondAmountNeedToDepositOnEntryOfInjunction" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="PercentageOfLiquidatedDamagesMaximum" id="blbk_PercentageOfLiquidatedDamagesMaximum" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" />
<element name="PercentageOfAggregatePenaltyAccruedWithEachInvestor" id="blbk_PercentageOfAggregatePenaltyAccruedWithEachInvestor" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" />
<element name="PercentageOfInterestRatePayInvestor" id="blbk_PercentageOfInterestRatePayInvestor" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" />
<element name="RegistrationPaymentArrangementDefaultPenaltyPercentage" id="blbk_RegistrationPaymentArrangementDefaultPenaltyPercentage" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="ConsultingServicesMember" id="blbk_ConsultingServicesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="BoardMember" id="blbk_BoardMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="ConsultingServicesTwoMember" id="blbk_ConsultingServicesTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="EquityTransactionsTextualAbstract" id="blbk_EquityTransactionsTextualAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="StockOptionsOneMember" id="blbk_StockOptionsOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="StockOptionsTwoMember" id="blbk_StockOptionsTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="StockOptionThreeMember" id="blbk_StockOptionThreeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="StockOptionFourMember" id="blbk_StockOptionFourMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="StockOptionFiveMember" id="blbk_StockOptionFiveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="StockOptionSixMember" id="blbk_StockOptionSixMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="StockOptionSevenMember" id="blbk_StockOptionSevenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="EquityIncentivePlanMember" id="blbk_EquityIncentivePlanMember" type="nonnum:domainItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
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<element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsFairValue" id="blbk_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" />
<element name="ShareBasedCompensationIssuedToNonEmployeesByShareBasedPaymentAwardOptionsLossRelativeFairValue" id="blbk_ShareBasedCompensationIssuedToNonEmployeesByShareBasedPaymentAwardOptionsLossRelativeFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" />
<element name="UnrecognizedCompensationCostRelatedToUnvestedStockOptions" id="blbk_UnrecognizedCompensationCostRelatedToUnvestedStockOptions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" />
<element name="IncomeTaxesTextualAbstract" id="blbk_IncomeTaxesTextualAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="PercentageOperatingLossCarryforwardsValuationAllowance" id="blbk_PercentageOperatingLossCarryforwardsValuationAllowance" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" />
<element name="GoldGrenadeMember" id="blbk_GoldGrenadeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="RelatedPartyTransactionsTextualAbstract" id="blbk_RelatedPartyTransactionsTextualAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
</schema>
</XBRL>
