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    <element id="SDCH_NewEmployeesMember" name="NewEmployeesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_GeneralAndAdministrativeExpensesMember" name="GeneralAndAdministrativeExpensesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_SellingAndMarketingExpensesMember" name="SellingAndMarketingExpensesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_ResearchAndDevelopmentExpensesMember" name="ResearchAndDevelopmentExpensesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_StockIssuedDuringPeriodValueRoundingUpOfFractionalShares" name="StockIssuedDuringPeriodValueRoundingUpOfFractionalShares" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_StockIssuedDuringPeriodSharesRoundingUpOfFractionalShares" name="StockIssuedDuringPeriodSharesRoundingUpOfFractionalShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_PurchaseOfRestrictedStockUnitsSoldByEmployeesToPayForTaxesDueOnVested" name="PurchaseOfRestrictedStockUnitsSoldByEmployeesToPayForTaxesDueOnVested" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_DisclosureReverseStockSplitAbstract" name="DisclosureReverseStockSplitAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_ReverseStockSplitTextBlock" name="ReverseStockSplitTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_DisclosureLeasesAbstract" name="DisclosureLeasesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_WarrantsPolicyTextBlock" name="WarrantsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_ScheduleOfWarrantsOrRightsTableTextBlock" name="ScheduleOfWarrantsOrRightsTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_ScheduleOfChangesInDeferredRevenueTableTextBlock" name="ScheduleOfChangesInDeferredRevenueTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_ReverseStockSplitAbstract" name="ReverseStockSplitAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_ReverseStockSplitTable" name="ReverseStockSplitTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="SDCH_ReverseStockSplitLineItems" name="ReverseStockSplitLineItems" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_RevenueDescription" name="RevenueDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_TimeDepositsFairValueDisclosure" name="TimeDepositsFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_EquityTable" name="EquityTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="SDCH_EquityLineItems" name="EquityLineItems" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_CommonStockOutstandingBeforeReverseSplit" name="CommonStockOutstandingBeforeReverseSplit" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisedWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisedWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageRemainingContractualTerms" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageRemainingContractualTerms" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantsInPeriodWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantsInPeriodWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_ContractWithCustomerLiabilityRevenueDeferred" name="ContractWithCustomerLiabilityRevenueDeferred" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_RecognitionOfDeferredReveneues" name="RecognitionOfDeferredReveneues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_ConcentrationRiskPercentageExceeds" name="ConcentrationRiskPercentageExceeds" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_CashFDICInsuranceLimit" name="CashFDICInsuranceLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_DepositsUninsuredAmount" name="DepositsUninsuredAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_SoftwareDevelopmentServicesAmountInvoiced" name="SoftwareDevelopmentServicesAmountInvoiced" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="SDCH_IncomeStatementsLocationAxis" name="IncomeStatementsLocationAxis" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" />
    <element id="SDCH_IncomeStatementsLocationDomain" name="IncomeStatementsLocationDomain" abstract="true" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
</schema>
