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        <link:linkbaseRef xlink:type="simple" xlink:href="nxts-20260331_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links" />
        <link:linkbaseRef xlink:type="simple" xlink:href="nxts-20260331_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links" />
      </appinfo>
    </annotation>
    <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
    <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
    <import namespace="http://xbrl.sec.gov/dei/2026" schemaLocation="https://xbrl.sec.gov/dei/2026/dei-2026.xsd" />
    <import namespace="http://fasb.org/us-gaap/2026" schemaLocation="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd" />
    <import namespace="http://fasb.org/us-types/2026" schemaLocation="https://xbrl.fasb.org/us-gaap/2026/elts/us-types-2026.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd" />
    <import namespace="http://xbrl.sec.gov/ecd/2026" schemaLocation="https://xbrl.sec.gov/ecd/2026/ecd-2026.xsd" />
    <import namespace="http://xbrl.sec.gov/country/2026" schemaLocation="https://xbrl.sec.gov/country/2026/country-2026.xsd" />
    <import namespace="http://fasb.org/srt/2026" schemaLocation="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd" />
    <import namespace="http://fasb.org/srt-types/2026" schemaLocation="https://xbrl.fasb.org/srt/2026/elts/srt-types-2026.xsd" />
    <element id="NXTS_ForeignCurrencyTranslationAdjustmentsMember" name="ForeignCurrencyTranslationAdjustmentsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_SaveFoodsLtdMember" name="SaveFoodsLtdMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_SecuritiesExchangeAgreementMember" name="SecuritiesExchangeAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_SaveFoodsIncMember" name="SaveFoodsIncMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ItalyAgreementMember" name="ItalyAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_MitoCareXMember" name="MitoCareXMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_InvestmentInPlantifyMember" name="InvestmentInPlantifyMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_InvestmentInSolterraMember" name="InvestmentInSolterraMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_InvestmentInVoiceAssistMember" name="InvestmentInVoiceAssistMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_SolarPvJointVentureProjectMember" name="SolarPvJointVentureProjectMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ConvertibleLoansToSolterraMember" name="ConvertibleLoansToSolterraMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_SolarPhotovoltaicJointVentureProjectMember" name="SolarPhotovoltaicJointVentureProjectMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ConvertibleLoanToSolterraMember" name="ConvertibleLoanToSolterraMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_StockPurchaseWarrantsLiabilityMember" name="StockPurchaseWarrantsLiabilityMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_WarrantLliabilitiesToPureCapitalMember" name="WarrantLliabilitiesToPureCapitalMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_CreditFacilityMember" name="CreditFacilityMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ContingentConsiderationsMember" name="ContingentConsiderationsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_MitoCareXBioLtdMember" name="MitoCareXBioLtdMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_CiroLeonardoPierriMember" name="CiroLeonardoPierriMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_LoanAgreementMember" name="LoanAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_SolterraRenewableEnergyLtdMember" name="SolterraRenewableEnergyLtdMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_SolterraEnergyLtdMember" name="SolterraEnergyLtdMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_LoanAndPartnershipAgreementMember" name="LoanAndPartnershipAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_NewLendersLoanAgreementMember" name="NewLendersLoanAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_VoiceAssistMember" name="VoiceAssistMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_FacilityAgreementMember" name="FacilityAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_PIPEAgreementAgreementMember" name="PIPEAgreementAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_SecuritiesPurchaseAgreementMember" name="SecuritiesPurchaseAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_PromissoryNoteMember" name="PromissoryNoteMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_NewConsultingAgreementMember" name="NewConsultingAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ConsultantsMember" name="ConsultantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_TwoThousandTwentyTwoShareIncentivePlanMember" name="TwoThousandTwentyTwoShareIncentivePlanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_MrAlonSilbermanMember" name="MrAlonSilbermanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_DirectorsCompensationMember" name="DirectorsCompensationMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_SalariesAndFeesToOfficersMember" name="SalariesAndFeesToOfficersMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_RelatedPartiesAndOfficersMember" name="RelatedPartiesAndOfficersMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_BiotechnologyActivityMember" name="BiotechnologyActivityMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_RenewableEnergyProjectsMember" name="RenewableEnergyProjectsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ShortTermLoanCurrent" name="ShortTermLoanCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_SolarProjectsUnderDevelopment" name="SolarProjectsUnderDevelopment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_WarrantLiabilitiesCurrent" name="WarrantLiabilitiesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_WarrantLiabilitiesNonCurrent" name="WarrantLiabilitiesNonCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ChangeInFairValueOfContingentConsideration" name="ChangeInFairValueOfContingentConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_FinancingIncomeExpensesNet" name="FinancingIncomeExpensesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ComprehensiveIncomeLossNetOfTax" name="ComprehensiveIncomeLossNetOfTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_StockIssuedDuringPeriodValueDeconsolidationOfSaveFoodsLtd" name="StockIssuedDuringPeriodValueDeconsolidationOfSaveFoodsLtd" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_IssuanceOfSharesForPrivateInvestmentInPublicEquityPipeAgreement" name="IssuanceOfSharesForPrivateInvestmentInPublicEquityPipeAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_IssuanceOfSharesForPrivateInvestmentInPublicEquityPipeAgreementShares" name="IssuanceOfSharesForPrivateInvestmentInPublicEquityPipeAgreementShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_StockIssuedDuringPeriodValueExercisingWarrants" name="StockIssuedDuringPeriodValueExercisingWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_StockIssuedDuringPeriodSharesExercisingWarrants" name="StockIssuedDuringPeriodSharesExercisingWarrants" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_GainFromStandbyEquityPurchaseAgreementI" name="GainFromStandbyEquityPurchaseAgreementI" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ExpensesFromStandbyEquityPurchaseAgreementIIAndPromissoryNote" name="ExpensesFromStandbyEquityPurchaseAgreementIIAndPromissoryNote" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_InterestOnLoan" name="InterestOnLoan" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ChangeInFairValueOfCreditFacilityLiability" name="ChangeInFairValueOfCreditFacilityLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ChangeInFairValueOfPIPESWarrantLiability" name="ChangeInFairValueOfPIPESWarrantLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_GainLossOnInvestment" name="GainLossOnInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_IncreaseDecreaseInInterestIncomeFromSolarProject" name="IncreaseDecreaseInInterestIncomeFromSolarProject" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_IncreaseDecreaseInFairValueOfContingentConsiderations" name="IncreaseDecreaseInFairValueOfContingentConsiderations" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_IncreaseDecreaseInOperatingLeaseExpense" name="IncreaseDecreaseInOperatingLeaseExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_PaymentsForCashDereservedAtDeconsolidation" name="PaymentsForCashDereservedAtDeconsolidation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_PaymentsOnLoansGantedOrSolarPVJointVentureProject" name="PaymentsOnLoansGantedOrSolarPVJointVentureProject" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ProceedsFromPIPEAgreement" name="ProceedsFromPIPEAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ProceedsFromStandbyEquityPurchaseAgreementNet" name="ProceedsFromStandbyEquityPurchaseAgreementNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_CashPaidDuringYearAbstract" name="CashPaidDuringYearAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_InitialRecognitionOfOperatingLeaseLiabilityAndCorrespondingRightofuseAsset" name="InitialRecognitionOfOperatingLeaseLiabilityAndCorrespondingRightofuseAsset" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ReclassificationOfWarrantLiabilitiesToEquityUponExerciseOfWarrants" name="ReclassificationOfWarrantLiabilitiesToEquityUponExerciseOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_IssuanceOfSharesForFutureServices" name="IssuanceOfSharesForFutureServices" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_InvestmentInMarketableSecuritiesInExchangeForSharesOfSubsidiary" name="InvestmentInMarketableSecuritiesInExchangeForSharesOfSubsidiary" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_DisclosureContingentConsiderationAndIntangibleAssetAbstract" name="DisclosureContingentConsiderationAndIntangibleAssetAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ContingentConsiderationAndIntangiableAssetTextBlock" name="ContingentConsiderationAndIntangiableAssetTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_DisclosureInvestmentAndLoanToSolterraAbstract" name="DisclosureInvestmentAndLoanToSolterraAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_InvestmentAndLoanToSolterraDisclosureTextBlock" name="InvestmentAndLoanToSolterraDisclosureTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_DisclosureSolarPhotovolaicJointVentureProjectAbstract" name="DisclosureSolarPhotovolaicJointVentureProjectAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_SolarPhotovolaicJointVentureProjectDisclosureTextBlock" name="SolarPhotovolaicJointVentureProjectDisclosureTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_DisclosureShareExchangeTransactionAndInvestmentInVoiceAssistIncAbstract" name="DisclosureShareExchangeTransactionAndInvestmentInVoiceAssistIncAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
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    <element id="NXTS_ScheduleOfEstimatedFairValueOfWarrantAssumptionsUsedTableTextBlock" name="ScheduleOfEstimatedFairValueOfWarrantAssumptionsUsedTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
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    <element id="NXTS_ReclassificationOfContingentConsiderationsToLiabilitiesToOtherPayables" name="ReclassificationOfContingentConsiderationsToLiabilitiesToOtherPayables" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_LiabilitiesFairValueDisclosureChangesInFairValue" name="LiabilitiesFairValueDisclosureChangesInFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_StockPurchaseWarrantsLiabilityFairValueDisclosure" name="StockPurchaseWarrantsLiabilityFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_WarrantLiabilitiesFairValueDisclosure" name="WarrantLiabilitiesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_CreditFacilityFairValueDisclosure" name="CreditFacilityFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ContingentConsiderationAndIntangibleAssetAbstract" name="ContingentConsiderationAndIntangibleAssetAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ContingentConsiderationAndIntangibleAssetTable" name="ContingentConsiderationAndIntangibleAssetTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="NXTS_FairValueOfInvestment" name="FairValueOfInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_DescriptionForNetProfitFormSales" name="DescriptionForNetProfitFormSales" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ShareExchangeTransactionAndInvestmentInVoiceAssistAbstract" name="ShareExchangeTransactionAndInvestmentInVoiceAssistAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ShareExchangeTransactionAndInvestmentInVoiceAssistTable" name="ShareExchangeTransactionAndInvestmentInVoiceAssistTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="NXTS_DiscontinuedOperationsAndDisposalGroupsTable" name="DiscontinuedOperationsAndDisposalGroupsTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="NXTS_DiscontinuedOperationsAndDisposalGroupsLineItem" name="DiscontinuedOperationsAndDisposalGroupsLineItem" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopmentExpenses" name="DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopmentExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_DisposalGroupIncludingDiscontinuedOperationSellingAndMarketingExpenses" name="DisposalGroupIncludingDiscontinuedOperationSellingAndMarketingExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_DisposalGroupIncludingDiscontinuedOperationFinancingIncome" name="DisposalGroupIncludingDiscontinuedOperationFinancingIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_GainLossBeforeGainFromDeconsolidation" name="GainLossBeforeGainFromDeconsolidation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_DeferredFinacingCosts" name="DeferredFinacingCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_DiscountPercentOnSaleOfStock" name="DiscountPercentOnSaleOfStock" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_SaleOfStockConsiderationReceivedPerTransactionGross" name="SaleOfStockConsiderationReceivedPerTransactionGross" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ProfessionalServices" name="ProfessionalServices" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_InterestOfLoans" name="InterestOfLoans" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_FinancingExpensesIncomeNet" name="FinancingExpensesIncomeNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_RecognitionOfPrepaidWarrantCostsAndCorrespondingWarrantLiability" name="RecognitionOfPrepaidWarrantCostsAndCorrespondingWarrantLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ReclassificationOfContingentConsiderationsToLiabilities" name="ReclassificationOfContingentConsiderationsToLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_DisposalGroupIncludingDiscontinuedOperationNetIncomeLoss" name="DisposalGroupIncludingDiscontinuedOperationNetIncomeLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NXTS_ResearchAndDevelopmentExpensesMember" name="ResearchAndDevelopmentExpensesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
</schema>
