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        <link:definition>9955529 - Disclosure - Material accounting policies (Details)</link:definition>
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  <xs:element id="iren_NonCurrentPrepaymentsTransfersOut" abstract="false" name="NonCurrentPrepaymentsTransfersOut" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_NonCurrentPrepaymentsIncreaseDecreaseThroughNetExchangeDifferences" abstract="false" name="NonCurrentPrepaymentsIncreaseDecreaseThroughNetExchangeDifferences" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_NonCurrentPrepaymentsAbstract" abstract="true" name="NonCurrentPrepaymentsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="iren_PrepaymentsAndOtherAssets" abstract="false" name="PrepaymentsAndOtherAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_MiningAssetsS19jProMember" abstract="true" name="MiningAssetsS19jProMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_SubsequentEventsMember" abstract="true" name="SubsequentEventsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_ImpairmentLossRecognisedInProfitOrLossDisposalGroupsClassifiedAsHeldForSale" abstract="false" name="ImpairmentLossRecognisedInProfitOrLossDisposalGroupsClassifiedAsHeldForSale" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_DisposalsPropertyPlantAndEquipment.NumberOfMiners" abstract="false" name="DisposalsPropertyPlantAndEquipment.NumberOfMiners" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="iren_PropertyPlantAndEquipmentNumberOfMiners" abstract="false" name="PropertyPlantAndEquipmentNumberOfMiners" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="iren_PlantAndEquipmentMember" abstract="true" name="PlantAndEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_DevelopmentAssetsMember" abstract="true" name="DevelopmentAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_AdditionsReductionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" abstract="false" name="AdditionsReductionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_IncreaseDecreaseThroughTransfersFromComputerHardwarePrepaymentPropertyPlantAndEquipment" abstract="false" name="IncreaseDecreaseThroughTransfersFromComputerHardwarePrepaymentPropertyPlantAndEquipment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_IncreaseDecreaseThroughTransfersFromAssetsHeldForSalePropertyPlantAndEquipment" abstract="false" name="IncreaseDecreaseThroughTransfersFromAssetsHeldForSalePropertyPlantAndEquipment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_MiningAssetsBitmainT21MinersMember" abstract="true" name="MiningAssetsBitmainT21MinersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_DepreciationPropertyPlantAndEquipmentDisposals" abstract="false" name="DepreciationPropertyPlantAndEquipmentDisposals" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_HashrateOperatingCapacityOfBitmainMiners" abstract="false" name="HashrateOperatingCapacityOfBitmainMiners" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="iren_GainsLossesOnDisposalsOfPropertyPlantAndEquipmentWarranty" abstract="false" name="GainsLossesOnDisposalsOfPropertyPlantAndEquipmentWarranty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_AssetsHeldForSaleSubsequentlyClassifiedMember" abstract="true" name="AssetsHeldForSaleSubsequentlyClassifiedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_AssetsHeldForSaleRevaluationMember" abstract="true" name="AssetsHeldForSaleRevaluationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_PrinceGeorgeBritishColumbiaCanadaMember" abstract="true" name="PrinceGeorgeBritishColumbiaCanadaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_SydneyAustraliaMember" abstract="true" name="SydneyAustraliaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_VancouverBritishColumbiaCanadaMember" abstract="true" name="VancouverBritishColumbiaCanadaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_TradePayablesAndLeaseLiabilitiesCurrent" abstract="false" name="TradePayablesAndLeaseLiabilitiesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_TradePayablesAndLeaseLiabilities" abstract="false" name="TradePayablesAndLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_LeaseTerm" abstract="false" name="LeaseTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="iren_DisclosureOfProvisionTable" abstract="true" name="DisclosureOfProvisionTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="iren_DisclosureOfProvisionLineItems" abstract="true" name="DisclosureOfProvisionLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="iren_CurrentProvisionForNonRefundableSalesTaxAndOtherProvisions" abstract="false" name="CurrentProvisionForNonRefundableSalesTaxAndOtherProvisions" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_PercentageOfGoodsAndServicesTaxRequiredToRemit" abstract="false" name="PercentageOfGoodsAndServicesTaxRequiredToRemit" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="iren_PercentageOfGoodsAndServicesTaxOnExportedServices" abstract="false" name="PercentageOfGoodsAndServicesTaxOnExportedServices" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="iren_IncreaseDecreaseInNumberOfSharesIssuedUnderAtTheMarketFacility" abstract="false" name="IncreaseDecreaseInNumberOfSharesIssuedUnderAtTheMarketFacility" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="iren_IncreaseDecreaseThroughShareBasedPaymentEmployeeShares" abstract="false" name="IncreaseDecreaseThroughShareBasedPaymentEmployeeShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="iren_IncreaseDecreaseThroughCapitalRaiseCostsTransactionsShares" abstract="false" name="IncreaseDecreaseThroughCapitalRaiseCostsTransactionsShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="iren_ShareBasedPaymentTransactionsUnderAtTheMarketFacility" abstract="false" name="ShareBasedPaymentTransactionsUnderAtTheMarketFacility" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_IncreaseDecreaseThroughShareBasedPaymentEmployee" abstract="false" name="IncreaseDecreaseThroughShareBasedPaymentEmployee" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_CapitalRaiseCosts" abstract="false" name="CapitalRaiseCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_BRileyPrincipalCapitalIILLCMember" abstract="true" name="BRileyPrincipalCapitalIILLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_EquityOfferingsAtTheMarketMember" abstract="true" name="EquityOfferingsAtTheMarketMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_MaximumValueOfSharesToBeIssuedUnderShareSaleOptionAgreement" abstract="false" name="MaximumValueOfSharesToBeIssuedUnderShareSaleOptionAgreement" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_TermOfOptionAgreementToSellOrdinaryShares" abstract="false" name="TermOfOptionAgreementToSellOrdinaryShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="iren_MaximumValueOfSharesToBeIssuedUnderShareSaleOptionAgreementAdditionalAmount" abstract="false" name="MaximumValueOfSharesToBeIssuedUnderShareSaleOptionAgreementAdditionalAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_NumberOfRestrictedSharesIssued" abstract="false" name="NumberOfRestrictedSharesIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="iren_OtherCommitments1Axis" abstract="true" name="OtherCommitments1Axis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="iren_OtherCommitments1Domain" abstract="true" name="OtherCommitments1Domain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_OtherCommitmentsMember" abstract="true" name="OtherCommitmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_CommittedAmountsPayableAbstract" abstract="true" name="CommittedAmountsPayableAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="iren_DollarSeventyFiveExercisePriceOptionsMember" abstract="true" name="DollarSeventyFiveExercisePriceOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_TwoThousandAndTwentyThreeLongTermIncentivePlanRestrictedStockUnitsMember" abstract="true" name="TwoThousandAndTwentyThreeLongTermIncentivePlanRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_NonExecutiveDirectorMember" abstract="true" name="NonExecutiveDirectorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_CoFounderAndCoCEOMember" abstract="true" name="CoFounderAndCoCEOMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_TrancheOneMember" abstract="true" name="TrancheOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_TrancheTwoMember" abstract="true" name="TrancheTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_TrancheThreeMember" abstract="true" name="TrancheThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_TrancheFourMember" abstract="true" name="TrancheFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_TrancheFiveMember" abstract="true" name="TrancheFiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_TrancheSixMember" abstract="true" name="TrancheSixMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_TrancheSevenMember" abstract="true" name="TrancheSevenMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_TimeBasedVestingConditionsMember" abstract="true" name="TimeBasedVestingConditionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_PerformanceBasedVestingConditionsMember" abstract="true" name="PerformanceBasedVestingConditionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="iren_NumberOfOtherEquityInstrumentsIssuedInShareBasedPaymentArrangement" abstract="false" name="NumberOfOtherEquityInstrumentsIssuedInShareBasedPaymentArrangement" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="iren_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="iren_NumberOfTranches" abstract="false" name="NumberOfTranches" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="iren_NumberOfTradingDays" abstract="false" name="NumberOfTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="iren_OtherEquityInstrumentsSharePrice" abstract="false" name="OtherEquityInstrumentsSharePrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="iren_OtherEquityInstrumentsSharePremium" abstract="false" name="OtherEquityInstrumentsSharePremium" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="iren_WeightedAverageRemainingContractualLifeOfOutstandingRestrictedShareUnits" abstract="false" name="WeightedAverageRemainingContractualLifeOfOutstandingRestrictedShareUnits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="iren_NumberOfOptionsAbstract" abstract="true" name="NumberOfOptionsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="iren_WeightedAverageExercisePriceAbstract" abstract="true" name="WeightedAverageExercisePriceAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="iren_NumberOfRestrictedShareUnitsAbstract" abstract="true" name="NumberOfRestrictedShareUnitsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="iren_RelatedPartyTransactions" abstract="false" name="RelatedPartyTransactions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_InitialConvertibleNotesIssuance" abstract="false" name="InitialConvertibleNotesIssuance" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_AnnualInterestRateOnConvertibleNotes" abstract="false" name="AnnualInterestRateOnConvertibleNotes" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="iren_NetProceedsOfConvertibleNotes" abstract="false" name="NetProceedsOfConvertibleNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_ConvertibleNotesCappedCallTransactionCosts" abstract="false" name="ConvertibleNotesCappedCallTransactionCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_ConvertibleNotesPrepaidForwardContractCosts" abstract="false" name="ConvertibleNotesPrepaidForwardContractCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_S21ProOptionExercised" abstract="false" name="S21ProOptionExercised" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="iren_S21ProsCapacityOptionExercised" abstract="false" name="S21ProsCapacityOptionExercised" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="iren_S21XPOptionExercised" abstract="false" name="S21XPOptionExercised" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="iren_S21XPCapacityOptionExercised" abstract="false" name="S21XPCapacityOptionExercised" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="iren_BitmainContractOptionExercised" abstract="false" name="BitmainContractOptionExercised" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_NumberOrMinersS21T21Swap" abstract="false" name="NumberOrMinersS21T21Swap" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="iren_S21XPUpgradeCapacity" abstract="false" name="S21XPUpgradeCapacity" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="iren_S21XPUpgrade" abstract="false" name="S21XPUpgrade" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_NumberOfSharesSoldUnderPreviousATM" abstract="false" name="NumberOfSharesSoldUnderPreviousATM" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="iren_TotalProceedsUnderPreviousATM" abstract="false" name="TotalProceedsUnderPreviousATM" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_NewATMCapacity" abstract="false" name="NewATMCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_GridConnectionAgreementNonRefundableConnectionCosts" abstract="false" name="GridConnectionAgreementNonRefundableConnectionCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="iren_GridConnectionAgreementRefundableDeposits" abstract="false" name="GridConnectionAgreementRefundableDeposits" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
