3.26.3 html 214 407 1 true 64 0 false 9 false false R1.htm 995200090 - Document - Document and Entity Information Sheet http://bitorigin.io/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 995200100 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://bitorigin.io/role/StatementConsolidatedBalanceSheets CONSOLIDATED BALANCE SHEETS Statements 2 false false R3.htm 995200105 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://bitorigin.io/role/StatementConsolidatedBalanceSheetsParenthetical CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 3 false false R4.htm 995200200 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS Sheet http://bitorigin.io/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS Statements 4 false false R5.htm 995200205 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Parenthetical) Sheet http://bitorigin.io/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLossParenthetical CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Parenthetical) Statements 5 false false R6.htm 995200300 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY Sheet http://bitorigin.io/role/StatementConsolidatedStatementsOfChangesInShareholdersEquity CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY Statements 6 false false R7.htm 995200305 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) Sheet http://bitorigin.io/role/StatementConsolidatedStatementsOfChangesInShareholdersEquityParenthetical CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) Statements 7 false false R8.htm 995200400 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://bitorigin.io/role/StatementConsolidatedStatementsOfCashFlows CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 8 false false R9.htm 995210101 - Disclosure - Nature of business and organization Sheet http://bitorigin.io/role/DisclosureNatureOfBusinessAndOrganization Nature of business and organization Notes 9 false false R10.htm 995210201 - Disclosure - Summary of significant accounting policies Sheet http://bitorigin.io/role/DisclosureSummaryOfSignificantAccountingPolicies Summary of significant accounting policies Notes 10 false false R11.htm 995210301 - Disclosure - Crypto assets Sheet http://bitorigin.io/role/DisclosureCryptoAssets Crypto assets Notes 11 false false R12.htm 995210401 - Disclosure - Other receivables, net Sheet http://bitorigin.io/role/DisclosureOtherReceivablesNet Other receivables, net Notes 12 false false R13.htm 995210501 - Disclosure - Loans receivable, net Sheet http://bitorigin.io/role/DisclosureLoansReceivableNet Loans receivable, net Notes 13 false false R14.htm 995210601 - Disclosure - Deposit for long-term investment Sheet http://bitorigin.io/role/DisclosureDepositForLongTermInvestment Deposit for long-term investment Notes 14 false false R15.htm 995210701 - Disclosure - Taxes Sheet http://bitorigin.io/role/DisclosureTaxes Taxes Notes 15 false false R16.htm 995210801 - Disclosure - Concentration of risks Sheet http://bitorigin.io/role/DisclosureConcentrationOfRisks Concentration of risks Notes 16 false false R17.htm 995210901 - Disclosure - Convertible debentures Sheet http://bitorigin.io/role/DisclosureConvertibleDebentures Convertible debentures Notes 17 false false R18.htm 995211001 - Disclosure - Fair value measurements Sheet http://bitorigin.io/role/DisclosureFairValueMeasurements Fair value measurements Notes 18 false false R19.htm 995211101 - Disclosure - Equity Sheet http://bitorigin.io/role/DisclosureEquity Equity Notes 19 false false R20.htm 995211201 - Disclosure - Segment reporting Sheet http://bitorigin.io/role/DisclosureSegmentReporting Segment reporting Notes 20 false false R21.htm 995211301 - Disclosure - Commitments and contingencies Sheet http://bitorigin.io/role/DisclosureCommitmentsAndContingencies Commitments and contingencies Notes 21 false false R22.htm 995211401 - Disclosure - Subsequent events Sheet http://bitorigin.io/role/DisclosureSubsequentEvents Subsequent events Notes 22 false false R23.htm 995447 - Disclosure - Insider Trading Policies and Procedures Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc Insider Trading Policies and Procedures Notes 23 false false R24.htm 995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure Sheet http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure Cybersecurity Risk Management and Strategy Disclosure Notes 24 false false R25.htm 99920202 - Disclosure - Summary of significant accounting policies (Policies) Sheet http://bitorigin.io/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies Summary of significant accounting policies (Policies) Policies 25 false false R26.htm 99930103 - Disclosure - Nature of business and organization (Tables) Sheet http://bitorigin.io/role/DisclosureNatureOfBusinessAndOrganizationTables Nature of business and organization (Tables) Tables http://bitorigin.io/role/DisclosureNatureOfBusinessAndOrganization 26 false false R27.htm 99930203 - Disclosure - Summary of significant accounting policies (Tables) Sheet http://bitorigin.io/role/DisclosureSummaryOfSignificantAccountingPoliciesTables Summary of significant accounting policies (Tables) Tables http://bitorigin.io/role/DisclosureSummaryOfSignificantAccountingPolicies 27 false false R28.htm 99930303 - Disclosure - Crypto assets (Tables) Sheet http://bitorigin.io/role/DisclosureCryptoAssetsTables Crypto assets (Tables) Tables http://bitorigin.io/role/DisclosureCryptoAssets 28 false false R29.htm 99930403 - Disclosure - Other receivables, net (Tables) Sheet http://bitorigin.io/role/DisclosureOtherReceivablesNetTables Other receivables, net (Tables) Tables http://bitorigin.io/role/DisclosureOtherReceivablesNet 29 false false R30.htm 99930503 - Disclosure - Loans receivable, net (Tables) Sheet http://bitorigin.io/role/DisclosureLoansReceivableNetTables Loans receivable, net (Tables) Tables http://bitorigin.io/role/DisclosureLoansReceivableNet 30 false false R31.htm 99930703 - Disclosure - Taxes (Tables) Sheet http://bitorigin.io/role/DisclosureTaxesTables Taxes (Tables) Tables http://bitorigin.io/role/DisclosureTaxes 31 false false R32.htm 99930903 - Disclosure - Convertible debentures (Tables) Sheet http://bitorigin.io/role/DisclosureConvertibleDebenturesTables Convertible debentures (Tables) Tables http://bitorigin.io/role/DisclosureConvertibleDebentures 32 false false R33.htm 99931003 - Disclosure - Fair value measurements (Tables) Sheet http://bitorigin.io/role/DisclosureFairValueMeasurementsTables Fair value measurements (Tables) Tables http://bitorigin.io/role/DisclosureFairValueMeasurements 33 false false R34.htm 99931203 - Disclosure - Equity (Tables) Sheet http://bitorigin.io/role/DisclosureEquityTables Equity (Tables) Tables http://bitorigin.io/role/DisclosureEquity 34 false false R35.htm 99940101 - Disclosure - Nature of business and organization - Organization and business overview (Details) Sheet http://bitorigin.io/role/DisclosureNatureOfBusinessAndOrganizationOrganizationAndBusinessOverviewDetails Nature of business and organization - Organization and business overview (Details) Details 35 false false R36.htm 99940102 - Disclosure - Nature of business and organization - Consolidated financial statements reflect the activities of SANGRIX (Details) Sheet http://bitorigin.io/role/DisclosureNatureOfBusinessAndOrganizationConsolidatedFinancialStatementsReflectActivitiesOfSangrixDetails Nature of business and organization - Consolidated financial statements reflect the activities of SANGRIX (Details) Details 36 false false R37.htm 99940103 - Disclosure - Nature of business and organization - Liquidity and going concern (Details) Sheet http://bitorigin.io/role/DisclosureNatureOfBusinessAndOrganizationLiquidityAndGoingConcernDetails Nature of business and organization - Liquidity and going concern (Details) Details 37 false false R38.htm 99940202 - Disclosure - Summary of significant accounting policies - Other receivables, net (Details) Sheet http://bitorigin.io/role/DisclosureSummaryOfSignificantAccountingPoliciesOtherReceivablesNetDetails Summary of significant accounting policies - Other receivables, net (Details) Details 38 false false R39.htm 99940203 - Disclosure - Summary of significant accounting policies - Loans receivable, net (Details) Sheet http://bitorigin.io/role/DisclosureSummaryOfSignificantAccountingPoliciesLoansReceivableNetDetails Summary of significant accounting policies - Loans receivable, net (Details) Details 39 false false R40.htm 99940204 - Disclosure - Summary of significant accounting policies - Prepayments (Details) Sheet http://bitorigin.io/role/DisclosureSummaryOfSignificantAccountingPoliciesPrepaymentsDetails Summary of significant accounting policies - Prepayments (Details) Details 40 false false R41.htm 99940205 - Disclosure - Summary of significant accounting policies - Impairment for long-lived assets (Details) Sheet http://bitorigin.io/role/DisclosureSummaryOfSignificantAccountingPoliciesImpairmentForLongLivedAssetsDetails Summary of significant accounting policies - Impairment for long-lived assets (Details) Details 41 false false R42.htm 99940206 - Disclosure - Summary of significant accounting policies - Fair value hierarchy for those assets and liabilities measured at fair value on a recurring basis (Details) Sheet http://bitorigin.io/role/DisclosureSummaryOfSignificantAccountingPoliciesFairValueHierarchyForThoseAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails Summary of significant accounting policies - Fair value hierarchy for those assets and liabilities measured at fair value on a recurring basis (Details) Details 42 false false R43.htm 99940207 - Disclosure - Summary of significant accounting policies - Segment reporting (Details) Sheet http://bitorigin.io/role/DisclosureSummaryOfSignificantAccountingPoliciesSegmentReportingDetails Summary of significant accounting policies - Segment reporting (Details) Details 43 false false R44.htm 99940208 - Disclosure - Summary of significant accounting policies - Share-based compensation (Details) Sheet http://bitorigin.io/role/DisclosureSummaryOfSignificantAccountingPoliciesShareBasedCompensationDetails Summary of significant accounting policies - Share-based compensation (Details) Details 44 false false R45.htm 99940209 - Disclosure - Summary of significant accounting policies - Loss per share (Details) Sheet http://bitorigin.io/role/DisclosureSummaryOfSignificantAccountingPoliciesLossPerShareDetails Summary of significant accounting policies - Loss per share (Details) Details 45 false false R46.htm 99940301 - Disclosure - Crypto assets (Details) Sheet http://bitorigin.io/role/DisclosureCryptoAssetsDetails Crypto assets (Details) Details http://bitorigin.io/role/DisclosureCryptoAssetsTables 46 false false R47.htm 99940302 - Disclosure - Crypto assets - Additional information about Dogecoins (Details) Sheet http://bitorigin.io/role/DisclosureCryptoAssetsAdditionalInformationAboutDogecoinsDetails Crypto assets - Additional information about Dogecoins (Details) Details 47 false false R48.htm 99940303 - Disclosure - Crypto assets - Additional information about USDT (Details) Sheet http://bitorigin.io/role/DisclosureCryptoAssetsAdditionalInformationAboutUsdtDetails Crypto assets - Additional information about USDT (Details) Details 48 false false R49.htm 99940401 - Disclosure - Other receivables, net (Details) Sheet http://bitorigin.io/role/DisclosureOtherReceivablesNetDetails Other receivables, net (Details) Details http://bitorigin.io/role/DisclosureOtherReceivablesNetTables 49 false false R50.htm 99940402 - Disclosure - Other receivables, net - Movements of allowance for credit losses (Details) Sheet http://bitorigin.io/role/DisclosureOtherReceivablesNetMovementsOfAllowanceForCreditLossesDetails Other receivables, net - Movements of allowance for credit losses (Details) Details 50 false false R51.htm 99940501 - Disclosure - Loans receivable, net - Outstanding balances on loans receivable (Details) Sheet http://bitorigin.io/role/DisclosureLoansReceivableNetOutstandingBalancesOnLoansReceivableDetails Loans receivable, net - Outstanding balances on loans receivable (Details) Details 51 false false R52.htm 99940502 - Disclosure - Loans receivable, net - Movements of allowance for credit losses (Details) Sheet http://bitorigin.io/role/DisclosureLoansReceivableNetMovementsOfAllowanceForCreditLossesDetails Loans receivable, net - Movements of allowance for credit losses (Details) Details 52 false false R53.htm 99940503 - Disclosure - Loans receivable, net - Additional information (Details) Sheet http://bitorigin.io/role/DisclosureLoansReceivableNetAdditionalInformationDetails Loans receivable, net - Additional information (Details) Details 53 false false R54.htm 99940601 - Disclosure - Deposit for long-term investment (Details) Sheet http://bitorigin.io/role/DisclosureDepositForLongTermInvestmentDetails Deposit for long-term investment (Details) Details http://bitorigin.io/role/DisclosureDepositForLongTermInvestment 54 false false R55.htm 99940701 - Disclosure - Taxes - Additional Information (Details) Sheet http://bitorigin.io/role/DisclosureTaxesAdditionalInformationDetails Taxes - Additional Information (Details) Details 55 false false R56.htm 99940702 - Disclosure - Taxes - Loss before provision for income taxes (Details) Sheet http://bitorigin.io/role/DisclosureTaxesLossBeforeProvisionForIncomeTaxesDetails Taxes - Loss before provision for income taxes (Details) Details 56 false false R57.htm 99940703 - Disclosure - Taxes - Effective tax rate (Details) Sheet http://bitorigin.io/role/DisclosureTaxesEffectiveTaxRateDetails Taxes - Effective tax rate (Details) Details 57 false false R58.htm 99940704 - Disclosure - Taxes - Significant components of deferred tax assets (Details) Sheet http://bitorigin.io/role/DisclosureTaxesSignificantComponentsOfDeferredTaxAssetsDetails Taxes - Significant components of deferred tax assets (Details) Details 58 false false R59.htm 99940801 - Disclosure - Concentration of risks (Details) Sheet http://bitorigin.io/role/DisclosureConcentrationOfRisksDetails Concentration of risks (Details) Details http://bitorigin.io/role/DisclosureConcentrationOfRisks 59 false false R60.htm 99940901 - Disclosure - Convertible debentures (Details) Sheet http://bitorigin.io/role/DisclosureConvertibleDebenturesDetails Convertible debentures (Details) Details http://bitorigin.io/role/DisclosureConvertibleDebenturesTables 60 false false R61.htm 99940902 - Disclosure - Convertible debentures - Components (Details) Sheet http://bitorigin.io/role/DisclosureConvertibleDebenturesComponentsDetails Convertible debentures - Components (Details) Details 61 false false R62.htm 99940903 - Disclosure - Convertible debentures - Gain attributable to changes in instrument-specific credit risk in other comprehensive income (Details) Sheet http://bitorigin.io/role/DisclosureConvertibleDebenturesGainAttributableToChangesInInstrumentSpecificCreditRiskInOtherComprehensiveIncomeDetails Convertible debentures - Gain attributable to changes in instrument-specific credit risk in other comprehensive income (Details) Details 62 false false R63.htm 99940904 - Disclosure - Convertible debentures - Initial measurement of the debentures (Details) Sheet http://bitorigin.io/role/DisclosureConvertibleDebenturesInitialMeasurementOfDebenturesDetails Convertible debentures - Initial measurement of the debentures (Details) Details 63 false false R64.htm 99940905 - Disclosure - Convertible debentures - Aggregate unpaid principal balance and carrying amount of the debentures (Details) Sheet http://bitorigin.io/role/DisclosureConvertibleDebenturesAggregateUnpaidPrincipalBalanceAndCarryingAmountOfDebenturesDetails Convertible debentures - Aggregate unpaid principal balance and carrying amount of the debentures (Details) Details 64 false false R65.htm 99941001 - Disclosure - Fair value measurements - Fair value hierarchy (Details) Sheet http://bitorigin.io/role/DisclosureFairValueMeasurementsFairValueHierarchyDetails Fair value measurements - Fair value hierarchy (Details) Details 65 false false R66.htm 99941002 - Disclosure - Fair value measurements - Transfers between levels (Details) Sheet http://bitorigin.io/role/DisclosureFairValueMeasurementsTransfersBetweenLevelsDetails Fair value measurements - Transfers between levels (Details) Details 66 false false R67.htm 99941003 - Disclosure - Fair value measurements - Additional information (Details) Sheet http://bitorigin.io/role/DisclosureFairValueMeasurementsAdditionalInformationDetails Fair value measurements - Additional information (Details) Details 67 false false R68.htm 99941004 - Disclosure - Fair value measurements - Reconciliation of the beginning and ending balances of the debentures (Details) Sheet http://bitorigin.io/role/DisclosureFairValueMeasurementsReconciliationOfBeginningAndEndingBalancesOfDebenturesDetails Fair value measurements - Reconciliation of the beginning and ending balances of the debentures (Details) Details 68 false false R69.htm 99941005 - Disclosure - Fair value measurements - Valuation model (Details) Sheet http://bitorigin.io/role/DisclosureFairValueMeasurementsValuationModelDetails Fair value measurements - Valuation model (Details) Details 69 false false R70.htm 99941101 - Disclosure - Equity (Details) Sheet http://bitorigin.io/role/DisclosureEquityDetails Equity (Details) Details http://bitorigin.io/role/DisclosureEquityTables 70 false false R71.htm 99941102 - Disclosure - Equity - Direct offering and private placement (Details) Sheet http://bitorigin.io/role/DisclosureEquityDirectOfferingAndPrivatePlacementDetails Equity - Direct offering and private placement (Details) Details 71 false false R72.htm 99941103 - Disclosure - Equity - Mezzanine equity (Details) Sheet http://bitorigin.io/role/DisclosureEquityMezzanineEquityDetails Equity - Mezzanine equity (Details) Details 72 false false R73.htm 99941104 - Disclosure - Equity - Restricted shares issued for compensation (Details) Sheet http://bitorigin.io/role/DisclosureEquityRestrictedSharesIssuedForCompensationDetails Equity - Restricted shares issued for compensation (Details) Details 73 false false R74.htm 99941105 - Disclosure - Equity - Shares issued for settlement of accrued compensation (Details) Sheet http://bitorigin.io/role/DisclosureEquitySharesIssuedForSettlementOfAccruedCompensationDetails Equity - Shares issued for settlement of accrued compensation (Details) Details 74 false false R75.htm 99941106 - Disclosure - Equity - Pre-funded warrants (Details) Sheet http://bitorigin.io/role/DisclosureEquityPreFundedWarrantsDetails Equity - Pre-funded warrants (Details) Details 75 false false R76.htm 99941107 - Disclosure - Equity - Summary of pre-funded warrant activity (Details) Sheet http://bitorigin.io/role/DisclosureEquitySummaryOfPreFundedWarrantActivityDetails Equity - Summary of pre-funded warrant activity (Details) Details 76 false false R77.htm 99941108 - Disclosure - Equity - Warrants (Details) Sheet http://bitorigin.io/role/DisclosureEquityWarrantsDetails Equity - Warrants (Details) Details 77 false false R78.htm 99941201 - Disclosure - Segment reporting (Details) Sheet http://bitorigin.io/role/DisclosureSegmentReportingDetails Segment reporting (Details) Details http://bitorigin.io/role/DisclosureSegmentReporting 78 false false R79.htm 99941301 - Disclosure - Commitments and contingencies - Lease commitments (Details) Sheet http://bitorigin.io/role/DisclosureCommitmentsAndContingenciesLeaseCommitmentsDetails Commitments and contingencies - Lease commitments (Details) Details 79 false false R80.htm 99941401 - Disclosure - Subsequent events (Details) Sheet http://bitorigin.io/role/DisclosureSubsequentEventsDetails Subsequent events (Details) Details http://bitorigin.io/role/DisclosureSubsequentEvents 80 false false All Reports Book All Reports btog-20260630.xsd btog-20260630_cal.xml btog-20260630_def.xml btog-20260630_lab.xml btog-20260630_pre.xml btog-20260630x20f.htm btog-20260630x20f001.jpg btog-20260630x20f002.jpg btog-20260630x20f003.jpg btog-20260630x20f004.jpg http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/cyd/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true