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    <element id="ATCH_LongTermMergerFinancingCurrent" name="LongTermMergerFinancingCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_MergerFinancingPayable" name="MergerFinancingPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiabilityCurrent" name="EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiabilityCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharePurchaseCommitmentAmountCurrent" name="SharePurchaseCommitmentAmountCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebentureCurrent" name="DebentureCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_WinstonStrawnAgreementCurrent" name="WinstonStrawnAgreementCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockPayableCurrent" name="StockPayableCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_WarrantsLiabilitiesNonCurrent" name="WarrantsLiabilitiesNonCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DerivativeLiabilityWarrants" name="DerivativeLiabilityWarrants" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EarnoutLiabilitiesNoncurrent" name="EarnoutLiabilitiesNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_TradingAccountDepositNoncurrent" name="TradingAccountDepositNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_RevenueFromVettingProcessingFees" name="RevenueFromVettingProcessingFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_RevenueFromClearanceFees" name="RevenueFromClearanceFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DataProcessingAndClearingCosts" name="DataProcessingAndClearingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockLocateExpense" name="StockLocateExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_RegulatoryProfessionalFeesAndRelatedExpenses" name="RegulatoryProfessionalFeesAndRelatedExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_TransferFees" name="TransferFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_BankCharges" name="BankCharges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DerivativeGainLossOnConvertibleNoteDerivativeNet" name="DerivativeGainLossOnConvertibleNoteDerivativeNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DerivativeGainLossOnLongTermAndShortTermNoteDerivativeNet" name="DerivativeGainLossOnLongTermAndShortTermNoteDerivativeNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueAdjustmentOfContingentGuarantee" name="FairValueAdjustmentOfContingentGuarantee" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfSecuredConvertibleNoteAmount" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfSecuredConvertibleNoteAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmbeddedDerivativeGainLossOnMergerFinancing" name="EmbeddedDerivativeGainLossOnMergerFinancing" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueAdjustmentOfEarnoutLiability" name="FairValueAdjustmentOfEarnoutLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueAdjustmentOfWinstonStrawnAgreement" name="FairValueAdjustmentOfWinstonStrawnAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmbeddedDerivativeGainLossOnDebenture" name="EmbeddedDerivativeGainLossOnDebenture" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueAdjustmentOfStockPayable" name="FairValueAdjustmentOfStockPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueAdjustmentOfSharePurchaseCommitmentAmount" name="FairValueAdjustmentOfSharePurchaseCommitmentAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_LossOnSettlementOnWinstonStrawnAgreement" name="LossOnSettlementOnWinstonStrawnAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodValueIssuedForSoftwareAsServiceUnderLicenseAgreement" name="StockIssuedDuringPeriodValueIssuedForSoftwareAsServiceUnderLicenseAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodShareIssuedForSoftwareAsServiceUnderLicenseAgreement" name="StockIssuedDuringPeriodShareIssuedForSoftwareAsServiceUnderLicenseAgreement" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodValueIssuedForConsultingServices" name="StockIssuedDuringPeriodValueIssuedForConsultingServices" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodShareIssuedForConsultingServices" name="StockIssuedDuringPeriodShareIssuedForConsultingServices" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodValueSettledVendorObligation" name="StockIssuedDuringPeriodValueSettledVendorObligation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodSharesSettledVendorObligation" name="StockIssuedDuringPeriodSharesSettledVendorObligation" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_AdjustmentsToAccumulatedDeficitReversalOfExciseTaxRelatedToPriorShareholderRedemptions" name="AdjustmentsToAccumulatedDeficitReversalOfExciseTaxRelatedToPriorShareholderRedemptions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodValueToWinstonStrawnAsPartialPaymentInSettlementAgreement" name="StockIssuedDuringPeriodValueToWinstonStrawnAsPartialPaymentInSettlementAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodSharesToWinstonStrawnAsPartialPaymentInSettlementAgreement" name="StockIssuedDuringPeriodSharesToWinstonStrawnAsPartialPaymentInSettlementAgreement" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockTransferredDuringPeriodByRelatedPartyValueConversionOfConvertibleSecuritiesPrincipal" name="StockTransferredDuringPeriodByRelatedPartyValueConversionOfConvertibleSecuritiesPrincipal" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodValueSettlementOfDues" name="StockIssuedDuringPeriodValueSettlementOfDues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodSharesSettlementOfDues" name="StockIssuedDuringPeriodSharesSettlementOfDues" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodValueDelayedPaymentsOfDebt" name="StockIssuedDuringPeriodValueDelayedPaymentsOfDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodSharesDelayedPaymentsOfDebt" name="StockIssuedDuringPeriodSharesDelayedPaymentsOfDebt" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodValueCompanyObligationsNetOfContributedCapitalForDebtAssumed" name="StockIssuedDuringPeriodValueCompanyObligationsNetOfContributedCapitalForDebtAssumed" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodSharesCompanyObligationsNetOfContributedCapitalForDebtAssumed" name="StockIssuedDuringPeriodSharesCompanyObligationsNetOfContributedCapitalForDebtAssumed" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodValueReverseStockSplits" name="StockIssuedDuringPeriodValueReverseStockSplits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockTransferredDuringPeriodByRelatedPartyValueAsSettlementForCompanyObligationsUnderVariousFinancialInstruments" name="StockTransferredDuringPeriodByRelatedPartyValueAsSettlementForCompanyObligationsUnderVariousFinancialInstruments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockTransferredDuringPeriodByRelatedPartySharesAsSettlementForCompanyObligationsUnderVariousFinancialInstruments" name="StockTransferredDuringPeriodByRelatedPartySharesAsSettlementForCompanyObligationsUnderVariousFinancialInstruments" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringThePeriodValueCommitmentFeeSharesSettledUnderTauAgreement" name="StockIssuedDuringThePeriodValueCommitmentFeeSharesSettledUnderTauAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringThePeriodSharesCommitmentFeeSharesSettledUnderTauAgreement" name="StockIssuedDuringThePeriodSharesCommitmentFeeSharesSettledUnderTauAgreement" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtConversionOriginalDebtPrincipalAmount" name="DebtConversionOriginalDebtPrincipalAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtConversionOriginalDebtInterestAmount" name="DebtConversionOriginalDebtInterestAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueOfDerivativeGainLossOnConvertibleNoteDerivativeNet" name="FairValueOfDerivativeGainLossOnConvertibleNoteDerivativeNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ChangeInFairValueOfWinstonStrawnAgreement" name="ChangeInFairValueOfWinstonStrawnAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueAdjustmentOfStockPayables" name="FairValueAdjustmentOfStockPayables" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PaidInKindLateFeesToSellers" name="PaidInKindLateFeesToSellers" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InterestExpenseFinancialInstruments" name="InterestExpenseFinancialInstruments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_TransactionCostAttributedToWarrants" name="TransactionCostAttributedToWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_RealizedGainLossOnSaleOfSharesUnderSharePurchaseCommitment" name="RealizedGainLossOnSaleOfSharesUnderSharePurchaseCommitment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CommissionOnTauAgreement" name="CommissionOnTauAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ExciseTaxPenaltiesAndInterest" name="ExciseTaxPenaltiesAndInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockBasedConsultingExpense" name="StockBasedConsultingExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_BankAcquisitionDepositWriteOff" name="BankAcquisitionDepositWriteOff" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_NetOperatingLeasePayments" name="NetOperatingLeasePayments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_IncreaseDecreaseInCommissionsAndPayrollTaxesPayable" name="IncreaseDecreaseInCommissionsAndPayrollTaxesPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_IncreaseDecreaseInTradingDeposits" name="IncreaseDecreaseInTradingDeposits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_RepaymentsOfSecurityConvertibleNotes" name="RepaymentsOfSecurityConvertibleNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ProceedsFromIssuanceOfDebenture" name="ProceedsFromIssuanceOfDebenture" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ProceedsFromNonInterestBearingAdvances" name="ProceedsFromNonInterestBearingAdvances" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PaymentOnWinstonStrawnSettlementAgreement" name="PaymentOnWinstonStrawnSettlementAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_NoncashOrPartOfNoncashChangesInGoodwillDueToChangeInDeferredTaxLiability" name="NoncashOrPartOfNoncashChangesInGoodwillDueToChangeInDeferredTaxLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InitialSharesIssuedValuePurchaseCommitmentAmount" name="InitialSharesIssuedValuePurchaseCommitmentAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ValueOfSharesTransferredByRelatedPartiesToSettleObligations" name="ValueOfSharesTransferredByRelatedPartiesToSettleObligations" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedSettlementOfAccountsPayableToRelatedParty" name="StockIssuedSettlementOfAccountsPayableToRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ReceivableFromSharesAdvancedUnderSharePurchaseCommitment" name="ReceivableFromSharesAdvancedUnderSharePurchaseCommitment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharesIssuedForCommercialBancorpAcquisitionExtension" name="SharesIssuedForCommercialBancorpAcquisitionExtension" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharesIssuedForConversionOfPrincipalAndInterestOnLongtermNote" name="SharesIssuedForConversionOfPrincipalAndInterestOnLongtermNote" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharesIssuedForStockPayable" name="SharesIssuedForStockPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InitialValueOfDerivativeIncludedInMergerFinancing" name="InitialValueOfDerivativeIncludedInMergerFinancing" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PromissoryNoteIssuedUnderInsurancePremium" name="PromissoryNoteIssuedUnderInsurancePremium" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ReversalOfExciseTax" name="ReversalOfExciseTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ConvertibleNotesTransferredToEquitySpa" name="ConvertibleNotesTransferredToEquitySpa" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InitialValueOfWarrantsAllocatedForEquitySPA" name="InitialValueOfWarrantsAllocatedForEquitySPA" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InitialValueOfWarrantIssuedAsTransactionCostUnderEquity" name="InitialValueOfWarrantIssuedAsTransactionCostUnderEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharesIssuedForWinstonStrawnSettlementAgreement" name="SharesIssuedForWinstonStrawnSettlementAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharesIssuedForNoncashExerciseOf2025Warrants" name="SharesIssuedForNoncashExerciseOf2025Warrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_RightofuseAssetsObtainedInExchangeForNewOperatingLeaseLiabilities" name="RightofuseAssetsObtainedInExchangeForNewOperatingLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DisclosureCashSegregatedInAccordanceWithFederalRegulationsAbstract" name="DisclosureCashSegregatedInAccordanceWithFederalRegulationsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsDisclosuresTextBlock" name="CashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsDisclosuresTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DisclosureNetCapitalRequirementsAbstract" name="DisclosureNetCapitalRequirementsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_BrokerDealerNetCapitalRequirementSecRegulationTextBlock" name="BrokerDealerNetCapitalRequirementSecRegulationTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DisclosureLeaseAbstract" name="DisclosureLeaseAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_LesseeOperatingLeasesOtherInformationTableTextBlock" name="LesseeOperatingLeasesOtherInformationTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ScheduleOfShareBasedPaymentAwardPerformanceSharesValuationAssumptionsTableTextBlock" name="ScheduleOfShareBasedPaymentAwardPerformanceSharesValuationAssumptionsTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_NumberOfSharesPerUnitIssued" name="NumberOfSharesPerUnitIssued" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_NumberOfWarrantsPerUnitIssued" name="NumberOfWarrantsPerUnitIssued" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_UnitsIssuedProceeds" name="UnitsIssuedProceeds" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_GrossProceedsFromIssuanceOfDebtAndUnits" name="GrossProceedsFromIssuanceOfDebtAndUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueAdjustmentOfFinancialInstrumentsNetOfTax" name="FairValueAdjustmentOfFinancialInstrumentsNetOfTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ImpairmentCharges" name="ImpairmentCharges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CashDepositNumberOfFinancialInstitutions" name="CashDepositNumberOfFinancialInstitutions" nillable="true" xbrli:periodType="instant" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DisclosureCashSegregatedInAccordanceWithFederalRegulationsTable" name="DisclosureCashSegregatedInAccordanceWithFederalRegulationsTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="ATCH_DisclosureCashSegregatedInAccordanceWithFederalRegulationsLineItems" name="DisclosureCashSegregatedInAccordanceWithFederalRegulationsLineItems" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsAxis" name="CashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsAxis" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" />
    <element id="ATCH_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsDomain" name="CashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsDomain" abstract="true" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CashReserveDepositRequired" name="CashReserveDepositRequired" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CashReserveDepositLessThanAmountRequired" name="CashReserveDepositLessThanAmountRequired" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CashSegregatedCustomers" name="CashSegregatedCustomers" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_OperatingLeaseRightOfUseAssetBeginningBalance" name="OperatingLeaseRightOfUseAssetBeginningBalance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_RightOfUseAssetObtainedExchangeForOperatingLeaseLiability" name="RightOfUseAssetObtainedExchangeForOperatingLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DecreaseInOperatingLeaseRightOfUseAsset" name="DecreaseInOperatingLeaseRightOfUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_OperatingLeaseRightOfUseAssetEndingBalance" name="OperatingLeaseRightOfUseAssetEndingBalance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtConversionConvertedInstrumentValueTransferred" name="DebtConversionConvertedInstrumentValueTransferred" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtConversionConvertedInstrumentSharesTransferred" name="DebtConversionConvertedInstrumentSharesTransferred" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DueToRelatedParties" name="DueToRelatedParties" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_UnitsIssuedDuringPeriodValueNewIssues" name="UnitsIssuedDuringPeriodValueNewIssues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EarnOutSharesMaximumNumberOfSharesIssuable" name="EarnOutSharesMaximumNumberOfSharesIssuable" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ThresholdPeriodFromClosingToAchieveMilestonesConsideredForIssuanceOfEarnOutShares" name="ThresholdPeriodFromClosingToAchieveMilestonesConsideredForIssuanceOfEarnOutShares" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EarnOutSharesMaximumAmountOfSharesIssuable" name="EarnOutSharesMaximumAmountOfSharesIssuable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PeriodForMeasurementOfRevenueTargets" name="PeriodForMeasurementOfRevenueTargets" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementTermOfEmployment" name="EmploymentAgreementTermOfEmployment" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementTermOfRenewal" name="EmploymentAgreementTermOfRenewal" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementAnnualBaseSalaryYearOne" name="EmploymentAgreementAnnualBaseSalaryYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementAnnualBaseSalaryYearTwo" name="EmploymentAgreementAnnualBaseSalaryYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementAnnualBaseSalaryYearThree" name="EmploymentAgreementAnnualBaseSalaryYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PercentageOfBonusPayable" name="PercentageOfBonusPayable" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_MinimumQualifiedCumulativeFinancingAmount" name="MinimumQualifiedCumulativeFinancingAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PercentageOfBonusPayableFourthQuarter" name="PercentageOfBonusPayableFourthQuarter" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PercentageOfBonusPayableFirstQuarter" name="PercentageOfBonusPayableFirstQuarter" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementStockGrants" name="EmploymentAgreementStockGrants" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementNumberOfStockAwards" name="EmploymentAgreementNumberOfStockAwards" nillable="true" xbrli:periodType="duration" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ThresholdPercentageOfOutstandingSharesForDeterminingStockAward" name="ThresholdPercentageOfOutstandingSharesForDeterminingStockAward" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_WeightedAveragePrice" name="WeightedAveragePrice" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementThresholdPeriodOfWrittenNoticeOfNonRenewal" name="EmploymentAgreementThresholdPeriodOfWrittenNoticeOfNonRenewal" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ThresholdTradingDaysOverWhichVolumeWeightedAverageStockPriceConsideredCalculatingStockTradingPrice" name="ThresholdTradingDaysOverWhichVolumeWeightedAverageStockPriceConsideredCalculatingStockTradingPrice" nillable="true" xbrli:periodType="duration" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementOneTimeSignInBonusPaid" name="EmploymentAgreementOneTimeSignInBonusPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_LossContingencyReductionInDamageAwarded" name="LossContingencyReductionInDamageAwarded" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_MergerFinancingDerivative" name="MergerFinancingDerivative" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DerivativeLiabilityDebenture" name="DerivativeLiabilityDebenture" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ConvertibleNoteDerivative" name="ConvertibleNoteDerivative" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtInstrumentConvertibleConversionRateAsPercentageOfSpecifiedTradingDaysVolumeWeightedAverageSharePrice" name="DebtInstrumentConvertibleConversionRateAsPercentageOfSpecifiedTradingDaysVolumeWeightedAverageSharePrice" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockTransferredDuringPeriodByRelatedPartySharesConversionOfConvertibleSecuritiesInterest" name="StockTransferredDuringPeriodByRelatedPartySharesConversionOfConvertibleSecuritiesInterest" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtConversionConvertedInstrumentAmountConversionOfInterestOfConvertibleNotes" name="DebtConversionConvertedInstrumentAmountConversionOfInterestOfConvertibleNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtInstrumentInterestRateInEventOfDefault" name="DebtInstrumentInterestRateInEventOfDefault" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_TransactionCost" name="TransactionCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAccruedInterest" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAccruedInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_IndividualAdvancesRequestedThresholdTradingDays" name="IndividualAdvancesRequestedThresholdTradingDays" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_AmortizationOfDebtDiscount" name="AmortizationOfDebtDiscount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtConversionOriginalDebtAmountContingentGuarantee" name="DebtConversionOriginalDebtAmountContingentGuarantee" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_MergerFinancingConvertibleNoteNoncurrent" name="MergerFinancingConvertibleNoteNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_UnamortizedDiscountPremiumContingentGuarantee" name="UnamortizedDiscountPremiumContingentGuarantee" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_AmortizationOfDebtDiscountPremiumContingentGuarantee" name="AmortizationOfDebtDiscountPremiumContingentGuarantee" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InterestOnContingentGuarantee" name="InterestOnContingentGuarantee" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharesToBeIssuedAmount" name="SharesToBeIssuedAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SaleOfSharesUnderSharePurchaseAgreement" name="SaleOfSharesUnderSharePurchaseAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockPurchasedDuringPeriodSharesSharePurchaseAgreement" name="StockPurchasedDuringPeriodSharesSharePurchaseAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockPurchasedDuringPeriodSharesRealizedGain" name="StockPurchasedDuringPeriodSharesRealizedGain" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharesAvailableUnderSharePurchaseAgreement" name="SharesAvailableUnderSharePurchaseAgreement" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtConversionsOriginalDebtInterestAmount" name="DebtConversionsOriginalDebtInterestAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_NumberOfSharesIssuableUponDebtConversion" name="NumberOfSharesIssuableUponDebtConversion" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ValueOfSharesIssuableForServicesInEachInstallment" name="ValueOfSharesIssuableForServicesInEachInstallment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SubscriptionPayableLiabilityNoncurrent" name="SubscriptionPayableLiabilityNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_LossOnSettlement" name="LossOnSettlement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PercentageOfProceedsRaisedInExcessOfThresholdAmount" name="PercentageOfProceedsRaisedInExcessOfThresholdAmount" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ThirdPartyFinancingThresholdAmount" name="ThirdPartyFinancingThresholdAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ThresholdPeriodToFileRegistrationStatement" name="ThresholdPeriodToFileRegistrationStatement" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtInstrumentDiscountPercentage" name="DebtInstrumentDiscountPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_QualifiedFinancingThresholdGrossProceeds" name="QualifiedFinancingThresholdGrossProceeds" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtInstrumentAggregateDiscountOnIssuance" name="DebtInstrumentAggregateDiscountOnIssuance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtInstrumentOriginalIssueDiscount" name="DebtInstrumentOriginalIssueDiscount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_UnitPricePerShare" name="UnitPricePerShare" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ClassOfWarrantOrRightExercisePriceDeterminationNumberOfClosingBidPrice" name="ClassOfWarrantOrRightExercisePriceDeterminationNumberOfClosingBidPrice" nillable="true" xbrli:periodType="duration" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ClassOfWarrantOrRightNumberOfDaysForExercisePriceDetermination" name="ClassOfWarrantOrRightNumberOfDaysForExercisePriceDetermination" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EquityFinancingParticipationRightTriggerPeriod" name="EquityFinancingParticipationRightTriggerPeriod" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EquityFinancingMinimumThresholdInvestmentForFutureOffering" name="EquityFinancingMinimumThresholdInvestmentForFutureOffering" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EquityFinancingMaximumReinvestmentPercentage" name="EquityFinancingMaximumReinvestmentPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PlacementAgentFeeRateGrossProceedsFromNotesPayable" name="PlacementAgentFeeRateGrossProceedsFromNotesPayable" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PlacementAgentFeeRateGrossProceedsFromUnitsSoldToExistingInvestors" name="PlacementAgentFeeRateGrossProceedsFromUnitsSoldToExistingInvestors" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PlacementAgentFeeRateGrossProceedsFromUnitsSoldToNewInvestors" name="PlacementAgentFeeRateGrossProceedsFromUnitsSoldToNewInvestors" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_WarrantsToPurchaseOfCommonStockTransactionCostTotal" name="WarrantsToPurchaseOfCommonStockTransactionCostTotal" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour" name="FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodSharesConversionOfConvertibleNoteAndUnits" name="StockIssuedDuringPeriodSharesConversionOfConvertibleNoteAndUnits" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantsVolumeWeightedAverageTriggerPrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantsVolumeWeightedAverageTriggerPrice" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementExecutivesAnnualBaseSalariesEntitlements" name="EmploymentAgreementExecutivesAnnualBaseSalariesEntitlements" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementTerm" name="EmploymentAgreementTerm" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAwardsEligibleToBeReceived" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAwardsEligibleToBeReceived" nillable="true" xbrli:periodType="duration" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesPerAwardPercent" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesPerAwardPercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_WinstonStrawnAgreementFairValueDisclosure" name="WinstonStrawnAgreementFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_WarrantLiabilityPrivateWarrants" name="WarrantLiabilityPrivateWarrants" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EarnoutLiabilityNoncurrentLiabilityFairValueDisclosure" name="EarnoutLiabilityNoncurrentLiabilityFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharePurchaseCommitmentFairValueDisclosure" name="SharePurchaseCommitmentFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_WarrantLiabilityEquity" name="WarrantLiabilityEquity" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SubscriptionAgreementMeasurementInput" name="SubscriptionAgreementMeasurementInput" nillable="true" xbrli:periodType="instant" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_WarrantsAndRightsExpirationDateDescription" name="WarrantsAndRightsExpirationDateDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EarnoutLiabilityMeasurementInput" name="EarnoutLiabilityMeasurementInput" nillable="true" xbrli:periodType="instant" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DerivativeLiabilityExpirationDateDescription" name="DerivativeLiabilityExpirationDateDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CommitmentAmountMeasurementInput" name="CommitmentAmountMeasurementInput" nillable="true" xbrli:periodType="instant" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CommitmentAmountExpirationDateDescription" name="CommitmentAmountExpirationDateDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityWriteOff" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityWriteOff" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransferredToEquity" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransferredToEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAdvanceRequests" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAdvanceRequests" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityDerecognizedOnSettlement" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityDerecognizedOnSettlement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityExchanges" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityExchanges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueMeasurementWithUnobservableInputsReconciliationRecurringOfFairValueOfWarrantsExercised" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringOfFairValueOfWarrantsExercised" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InitialFairValueCommitmentAmount" name="InitialFairValueCommitmentAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InitialFairValueCommitmentFee" name="InitialFairValueCommitmentFee" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_RevenueFromStockLocateFees" name="RevenueFromStockLocateFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CommonStockPercentage" name="CommonStockPercentage" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
</schema>
