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  <xsd:element name="OrganizationConsolidationAndPresentationOfFinancialStatementsTable" id="cyph_OrganizationConsolidationAndPresentationOfFinancialStatementsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NatureOfBusinessBasisOfPresentationAndLiquidityLineItem" id="cyph_NatureOfBusinessBasisOfPresentationAndLiquidityLineItem" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PlacementAgentExpense" id="cyph_PlacementAgentExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PlacementAgentExpensePaidInCash" id="cyph_PlacementAgentExpensePaidInCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PlacementAgentWarrantsMember" id="cyph_PlacementAgentWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ClassOfWarrantOrRightTransferOfWarrantsOrUnderlyingSharesRestrictionPeriod" id="cyph_ClassOfWarrantOrRightTransferOfWarrantsOrUnderlyingSharesRestrictionPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightAggregatePurchasePricePerUnitWithCommonShares" id="cyph_ClassOfWarrantOrRightAggregatePurchasePricePerUnitWithCommonShares" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="StockIssuedDuringPeriodValueWarrantsExercised" id="cyph_StockIssuedDuringPeriodValueWarrantsExercised" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StockIssuedDuringPeriodSharesStockWarrantsExercised" id="cyph_StockIssuedDuringPeriodSharesStockWarrantsExercised" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ResearchAndDevelopmentIncentiveIncomeExpense" id="cyph_ResearchAndDevelopmentIncentiveIncomeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AtMarketOfferingMember" id="cyph_AtMarketOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IssuanceOfCommonStockInExchangeForStockSubscriptionReceivable" id="cyph_IssuanceOfCommonStockInExchangeForStockSubscriptionReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StockSubscriptionReceivableFromIssuanceOfCommonStock" id="cyph_StockSubscriptionReceivableFromIssuanceOfCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CryptoAssetsPolicyPolicyTextBlock" id="cyph_CryptoAssetsPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SaleOfStockValueOfSharesIssuedOrIssuableInTransaction" id="cyph_SaleOfStockValueOfSharesIssuedOrIssuableInTransaction" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StockSubscriptionReceivableTextBlock" id="cyph_StockSubscriptionReceivableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="CantorFitzgeraldAndCoMember" id="cyph_CantorFitzgeraldAndCoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="StockSubscriptionReceivableAbstract" id="cyph_StockSubscriptionReceivableAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CryptoAssetAveragePurchasePricePerUnit" id="cyph_CryptoAssetAveragePurchasePricePerUnit" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="CryptoAssetNumberOfUnitsPurchased" id="cyph_CryptoAssetNumberOfUnitsPurchased" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SaleOfStockPercentageOfCommissionOnGrossProceeds" id="cyph_SaleOfStockPercentageOfCommissionOnGrossProceeds" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SaleOfStockTerminationPriorNoticeNumberOfBusinessDays" id="cyph_SaleOfStockTerminationPriorNoticeNumberOfBusinessDays" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SaleOfStockCommission" id="cyph_SaleOfStockCommission" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AmortizationOfStockIssuanceCosts" id="cyph_AmortizationOfStockIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="IncrementalCommonSharesAttributableToDilutiveEffectOfCommonStockWarrants" id="cyph_IncrementalCommonSharesAttributableToDilutiveEffectOfCommonStockWarrants" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="OperatingLossCarryforwardsSubjectToLimitations" id="cyph_OperatingLossCarryforwardsSubjectToLimitations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DeferredTaxLiabilitiesUnrealizedGainsLossesOnCryptoAssets" id="cyph_DeferredTaxLiabilitiesUnrealizedGainsLossesOnCryptoAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ZcashOpenDevelopmentLabMember" id="cyph_ZcashOpenDevelopmentLabMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="WinklevossCapitalMember" id="cyph_WinklevossCapitalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CryptoAssetHostContractFairValue" id="cyph_CryptoAssetHostContractFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CryptoAssetFairValueAsPercentageOfTotalAssets" id="cyph_CryptoAssetFairValueAsPercentageOfTotalAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
</xsd:schema>
