Fixed overhead costs, percent Capital Management, Fixed Overhead Costs, Mandatory Percentage Capital Management, Fixed Overhead Costs, Mandatory Percentage Revision of Prior Period [Axis] Revision of Prior Period [Axis] Current portion Categories of current financial liabilities [abstract] Impairment loss of other assets (non-current assets) Adjustments For Impairment Loss Of Other Non-Current Assets Adjustments For Impairment Loss Of Other Non-Current Assets Provisions made during the year Retirements, right-of-use assets Purchase of property and equipment Purchase of property, plant and equipment, classified as investing activities Expected life (in years) Expected life, measurement input [Member] Expected life, measurement input Tax expenses Tax expense other than income tax expense Business Combinations And Reverse Recapitalization [Abstract] Business Combinations And Reverse Recapitalization [Abstract] Business Combinations And Reverse Recapitalization [Abstract] Wages and salaries Wages and salaries Entity File Number Entity File Number Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items] Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items] Non-current liabilities recognised as of acquisition date Non-current liabilities recognised as of acquisition date Disclosure of detailed information about business combination [line items] Disclosure of detailed information about business combination [line items] Sub-total Deferred tax expense (income) Others Other finance income Levels of fair value hierarchy [domain] Levels of fair value hierarchy [domain] Other Financial Liabilities [Abstract] Other Financial Liabilities [Abstract] Other Financial Liabilities Number of lawsuits, unresolved Number Of Lawsuits, Unresolved Number Of Lawsuits, Unresolved Accrued expenses Current accrued expenses and other current liabilities Cryptocurrencies Cryptocurrencies [Member] Cryptocurrencies From two years to three years Later than two years and not later than three years [member] Cash and cash equivalents [abstract] Deferred tax liabilities Deferred tax liabilities recognised as of acquisition date Reconciliation of liabilities arising from financing activities Disclosure of reconciliation of liabilities arising from financing activities [text block] Disclosure of lease liabilities Disclosure of lease liabilities [Text Block] Disclosure of lease liabilities Cash provided by operating activities Cash flows from (used in) operations Income taxes payable Income Tax Payables Recognised As Of Acquisition Date Income Tax Payables Recognised As Of Acquisition Date Less: Other financial liabilities(1) Reverse Recapitalization, Other Financial Liabilities Reverse Recapitalization, Other Financial Liabilities Purchase of other financial assets (non-current assets) Purchase of financial instruments, classified as investing activities Disclosure of detailed information about borrowings [table] Disclosure of detailed information about borrowings [table] Number of RSUs vested (in shares) Number of other equity instruments exercised or vested in share-based payment arrangement Intangible assets and goodwill Intangible assets and goodwill at beginning of period Intangible assets and goodwill at end of period Intangible assets and goodwill Statement of changes in equity [line items] Statement of changes in equity [line items] Other current assets and liabilities Disclosure of other current liabilities [text block] Disclosure of other income and expenses Disclosure Of Other Operating Income (Expense) [Table Text Block] Disclosure Of Other Operating Income (Expense) Non-Fungible Tokens (NFTs) Non-Fungible Tokens (NFTs) [Member] Non-Fungible Tokens (NFTs) Increase (decrease) in intangible assets and goodwill Increase (decrease) in intangible assets and goodwill Disclosure of reverse recapitalization impact Disclosure Of Detailed Information About 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Conversion Ratio Common Stock, Conversion Ratio Loss on sales and disposals of intangible assets Crypto Assets Held-For-Sale, Noncurrent Crypto Assets Held-For-Sale, Noncurrent Statement of financial position [abstract] Issuance of shares in Reverse Recapitalization Issuance of shares in Reverse Recapitalization [Member] Issuance of shares in Reverse Recapitalization Other Increase (decrease) through other changes, property, plant and equipment including right-of-use assets Interest expenses Interest expense on other financial liabilities Cover [Abstract] Listing Expense Listing expense Listing Expense Listing Expense Line Of Credit 2,400 Million Line Of Credit 2,400 Million [Member] Line Of Credit 2,400 Million Provisions Description of accounting policy for provisions [text block] Classes of intangible assets other than goodwill [axis] Classes of intangible assets other than goodwill [axis] Entity Shell Company Entity Shell Company Crypto assets held Crypto assets held, current Current Crypto Assets Held Current Crypto Assets Held Capital surplus Share premium Other Other Financial Liabilities, Accrued Expenses An Other Payables Other Financial Liabilities, Accrued Expenses An Other Payables Cash flows from financing activities Cash flows from (used in) financing activities [abstract] Classes of liabilities [domain] Classes of liabilities [domain] Transaction revenue Revenue from rendering of services, related party transactions Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [table] Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [table] Accumulated Depreciation, Location [Domain] Accumulated Depreciation, Location [Domain] Accumulated Depreciation, Location [Domain] Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] Expenses: Expenses By Function [Abstract] Expenses By Function Basis of preparation of consolidated financial statements Disclosure of basis of preparation of financial statements [text block] Total current liabilities Current liabilities recognised as of acquisition date Cash segregated as deposits Cash segregated as deposits Short-term deposits, not classified as cash equivalents Document Fiscal Period Focus Document Fiscal Period Focus Total assets Assets Assets Crypto assets held Current Crypto Asset Held Recognised As Of Acquisition Date Current Crypto Asset Held Recognised As Of Acquisition Date Amounts recognised as of acquisition date for each major class of assets acquired and liabilities assumed Amounts recognised as of acquisition date for each major class of assets acquired and liabilities assumed [abstract] Total Other financial liabilities Other financial liabilities Income taxes Description of accounting policy for income tax [text block] Other financial assets (non-current) Non-Current Other Financial Assets Recognised As Of Acquisition Date Non-Current Other Financial Assets Recognised As Of Acquisition Date Associates [domain] Associates [domain] Number of RSUs outstanding, beginning of the year (in shares) Number of RSUs outstanding, ending of the year (in shares) Number of other equity instruments outstanding in share-based payment arrangement Disclosure of cash flow statement [Abstract] Disclosure of cash flow statement Sub-total Current tax expense (income) and adjustments for current tax of prior periods Crypto asset held Crypto assets held, non-current Crypto assets held (non-current assets), beginning balance Crypto assets held (non-current assets), ending balance Non-Current Crypto Assets Held Non-Current Crypto Assets Held Excise tax payable Excise Tax Payables Recognised As Of Acquisition Date Excise Tax Payables Recognised As Of Acquisition Date Trading Symbol Trading Symbol Total revenue Revenue Entity Address, City or 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Disclosure of general information about financial statements [text block] Termination benefits Termination benefits Termination benefits expense Crypto asset held (non-current) Noncurrent Crypto Asset Held Recognised As Of Acquisition Date Noncurrent Crypto Asset Held Recognised As Of Acquisition Date Collection Of NEM Collection Of NEM, Cryptocurrency [Member] Collection Of NEM, Cryptocurrency Non-Redemption Shares Non-Redemption Shares [Member] Non-Redemption Shares Other non-current assets Other non-current non-financial assets Non-Redemption shares returned to Coincheck Parent Non-Redeemed Shares Returned To Parent [Member] Non-Redeemed Shares Returned To Parent Advance received and other Current Advances And Other Current Advances And Other Prepaid expenses Current prepaid expenses Loans payable to related party Non-current payables to related parties Proceeds from sale of crypto assets held (non-current) Proceeds From Sale Of Non-Current Crypto Assets Held Proceeds From Sale Of Non-Current Crypto Assets Held Repayments of short-term loans payable Repayments of current borrowings Construction in progress Construction in progress [member] Developed Technology Technology-based intangible assets [member] Approval of the consolidated financial statements Description of accounting policy for approval of the consolidated financial statements [Text Block] Description of accounting policy for approval of the consolidated financial statements Assets: Assets [abstract] Right-of-use assets Right-of-use assets [member] Employee Benefit Expenses Disclosure Of Employee Benefits Expense [Table Text Block] Disclosure Of Employee Benefits Expense Proceeds from refund of guarantee deposits Proceeds From Refund Of Guarantee Deposits Proceeds From Refund Of Guarantee Deposits Deposits received Current deposits from customers Public warrant liabilities Public Warrants [Member] Public Warrants Current assets [abstract] Current assets [abstract] Other income and expenses Other Income And Expenses 1 [Abstract] Other Income And Expenses 1 Other payables to third parties Other current payables Entity Address, Postal Zip Code Entity Address, Postal Zip Code Loss on sale of crypto assets (non-current assets) Losses) On Disposals Of Crypto Assets, Noncurrent Losses) On Disposals Of Crypto Assets, Noncurrent Revenue: Revenue [abstract] Noncurrent assets: Non-current assets [abstract] Non-current assets [abstract] Disclosure of reserves within equity [table] Disclosure of reserves within equity [table] Less: accounts payable and accrued expenses Reverse Recapitalization, Accounts Payable And Accrued Expenses Reverse Recapitalization, Accounts Payable And Accrued Expenses Cash-trust and cash, net of redemptions Cash Acquired Through Reverse Recapitalization Cash Acquired Through Reverse Recapitalization Additions Additions other than through business combinations, property, plant and equipment including right-of-use assets Cash and cash equivalents Cash and cash 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[abstract] Changes in fair value measurement, assets [abstract] Changes in provisions Schedule Of Changes In Provisions [Table Text Block] Schedule Of Changes In Provisions Share-based payment reserve Reserve of share-based payments [member] Additions (business combination) Additions From Business Combination, Fair Value Measurement, Assets Additions From Business Combination, Fair Value Measurement, Assets Cash flows from investing activities Cash flows from (used in) investing activities [abstract] Number of shares issued (in shares) Number of instruments or interests issued or issuable Incomes Taxes [Abstract] Incomes Taxes [Abstract] Incomes Taxes [Abstract] Proceeds from short-term loans payable Proceeds from current borrowings Share-based payments Increase (decrease) through share-based payment transactions, equity Number Of Reportable Segments Number Of Reportable Segments 1 Number Of Reportable Segments 1 Lease liabilities [abstract] Derivative gains Gain (Loss) On Derivative 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[domain] Classes of property, plant and equipment [domain] Number of non-redemption shares (in shares) Number Of Shares Agreed To Not Be Redeemed By Third Party Number Of Shares Agreed To Not Be Redeemed By Third Party Entity Address, Country Entity Address, Country Tax credit Tax Rate Effect Of Tax Credits Tax Rate Effect Of Tax Credits Methods of generation [domain] Methods of generation [domain] Tax payables Current Tax Payables Current Tax Payables Cryptocurrency Cryptocurrency [Member] Cryptocurrency Effect of exchange rate change on cash and cash equivalents Effect of exchange rate changes on cash and cash equivalents Foreign currency translations Description of accounting policy for foreign currency translation [text block] Origination and reversal of tax losses carried forward Deferred tax expense (income) relating to origination and reversal of tax losses carried forward Deferred tax expense (income) relating to origination and reversal of tax losses carried forward Communication expenses Communication expense Disclosure of reconciliation of reverse recapitalization Disclosure Of Reconciliation Changes In Reverse Recapitalization [Table Text Block] Disclosure Of Reconciliation Changes In Reverse Recapitalization Document Annual Report Document Annual Report Ontario Inc. [Member] Ontario Inc. [Member] Ontario Inc. Disclosure of detailed information about financial instruments [table] Disclosure of detailed information about financial instruments [table] Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [text block] Reverse Recapitalization and Acquisitions of subsidiaries Disclosure Of Business Combinations And Reverse Recapitalization [Text Block] Disclosure Of Business Combinations And Reverse Recapitalization Accrued paid leaves Accrued paid leaves [Member] Accrued paid leaves Personnel expenses Personnel Expense Personnel Expense Revenue Disclosure of revenue [text block] Changes in accounting policies Description Of Account Policy For Changes In Accounting Policy [Text Block] Description Of Account Policy For Changes In Accounting Policy Schedule of undrawn commitment Disclosure of additional information about understanding financial 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standards [Text Block] Description of accounting policy for compliance with IFRS accounting standards Total Total Finance costs Damages sought, value Litigation Settlement, Damages Sought, Value Litigation Settlement, Damages Sought, Value Individual assets or cash-generating units [domain] Individual assets or cash-generating units [domain] Common control transaction Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity Disclosure of credit risk exposure [table] Disclosure of credit risk exposure [table] Material accounting policies Disclosure of material accounting policy information [text block] Rcognized Loss Before Income Taxes, Coincheck Parent and Aplo Rcognized Loss Before Income Taxes, Coincheck Parent and Aplo [Member] Rcognized Loss Before Income Taxes, Coincheck Parent and Aplo Other current assets and liabilities Disclosure of other current assets [text block] Increase (decrease) in number of shares 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of advances and loans from related parties Cash repayments of advances and loans from related parties Acquisition-related costs Acquisition-related costs for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination Profit (loss) of combined entity as if combination occurred at beginning of period Profit (loss) of combined entity as if combination occurred at beginning of period Liabilities and Equity: Equity and liabilities [abstract] Deferred tax assets Deferred tax assets recognised as of acquisition date Accrued paid leaves Current Paid Leave Current Paid Leave Entity Filer Category Entity Filer Category Contractual cash flows Discounted cash flow [member] Derivative gains Gain On Derivative Financial Instruments Gain On Derivative Financial Instruments Disclosure of maturity analysis for financial assets held for managing liquidity risk [table] Disclosure of maturity analysis for financial assets held for managing liquidity 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Noncurrent Impairment Loss On Crypto Assets Held-For-Sale, Noncurrent Leases Disclosure of leases [text block] Change in fair value of warrant liability Increase (Decrease) In Far Value Of Warrant Liabilities Increase (Decrease) In Far Value Of Warrant Liabilities Other, net Other adjustments to reconcile profit (loss) Total market capitalization attributable to Thunder Bridge stockholders Reverse Recapitalization, Issued Capital Reverse Recapitalization, Issued Capital Crypto asset borrowings fee Crypto Asset Borrowings Fee Crypto Asset Borrowings Fee Provisions Disclosure of provisions [text block] Statement of cash flows [abstract] Adjustment related to prior years Adjustments for current tax of prior periods Other assets Other Current Assets Recognised As Of Acquisition Date Other Current Assets Recognised As Of Acquisition Date Reporting Entity [Abstract] Reporting Entity [Abstract] Reporting Entity [Abstract] Termination benefits Termination Benefits Paid or Payable Termination Benefits Paid or Payable Net gain on sale of other financial assets (non-current assets) Adjustments for gains (losses) on disposal of financial assets 3iQ Systems Inc. [Member] 3iQ Systems Inc. [Member] 3iQ Systems Inc. Other Other employee expense Number of shares to purchase per warrant (in shares) Number Of Shares Authorized To Purchase, Per Warrant Number Of Shares Authorized To Purchase, Per Warrant Issuance of shares for restricted share units Issuance Of Shares For Restricted Share Units [Member] Issuance Of Shares For Restricted Share Units Current liabilities: Current liabilities [abstract] Disclosure of reconciliation of accounting profit multiplied by applicable tax rates and average effective tax rate Disclosure of reconciliation of accounting profit multiplied by applicable tax rates and average effective tax rate [Text Block] Disclosure of reconciliation of accounting profit multiplied by applicable tax rates and average effective tax rate Customer Relationships Customer-related intangible assets [member] Equity-accounted investees Investments accounted for using equity method Lease contract cancellation penalty Lease Contract Cancellation Penalty Lease Contract Cancellation Penalty Other financial liabilities Sub-total Other current financial liabilities Disclosure of transactions between related parties [line items] Disclosure of transactions between related parties [line items] Disclosure of fair value measurement of assets [line items] Disclosure of fair value measurement of assets [line items] Other comprehensive income: Other comprehensive income [abstract] Disclosure of number and weighted average remaining contractual life of outstanding share options [line items] Disclosure of number and weighted average remaining contractual life of outstanding share options [line items] Total assets Identifiable Assets Acquired Recognised As Of Acquisition Date Identifiable Assets Acquired Recognised As Of Acquisition Date Classes of share capital [domain] Classes of share capital [domain] Contact Personnel Email Address Contact Personnel Email Address Disclosure of lease expenses Disclosure of lease expenses [Text Block] Disclosure of lease expenses Acquisition of equity-accounted investees Purchase of interests in investments accounted for using equity method Total Total Finance income Crypto asset borrowings Crypto Borrowings [Member] Crypto Borrowings Document Shell Company Report Document Shell Company Report Others Receivables From Contracts With Customers, Other Receivables From Contracts With Customers, Other Disclosure of other provisions [line items] Disclosure of other provisions [line items] Thunder Bridge Closing Price per share (in Yen per share) Closing Price Per Share As Of Acquisition Date Closing Price Per Share As Of Acquisition Date Acquisition of subsidiaries, net of cash acquired Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities Loss from cybersecurity incident, value of NEM Losses From Cybersecurity Incident, Value Losses From Cybersecurity Incident, Value Lease liabilities Total Lease liabilities Modification of lease term Increase (decrease) through other changes, 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outstanding (in shares) Number of shares outstanding at beginning of period (in shares) Number of shares outstanding at end of period (in shares) Number of shares outstanding Increase (decrease) in crypto asset borrowings Adjustments For Increase (Decrease) In Crpyto Asset Borrowings Adjustments For Increase (Decrease) In Crpyto Asset Borrowings Other expenses Total Other expense, by function Other provisions at beginning of period Other provisions at end of period Other provisions Products and services [axis] Products and services [axis] Financial liabilities at beginning of period Financial liabilities at end of period Financial liabilities Other Other temporary differences [member] Disclosure of reserves within equity [line items] Disclosure of reserves within equity [line items] Income tax expense Total income tax expenses (benefits) Tax expense (income) Disclosure of other provisions [abstract] Assumption input Significant unobservable input, liabilities Supplemental cash flow information Disclosure of cash flow statement [text block] Events after the reporting date Disclosure of events after reporting period [text block] Calendar days Vesting Rights, Price Threshold, Consecutive Calendar Days Vesting Rights, Price Threshold, Consecutive Calendar Days Document Transition Report Document Transition Report Deferred Tax Assets (Liabilities), Type [Domain] Deferred Tax Assets (Liabilities), Type [Domain] Deferred Tax Assets (Liabilities), Type [Domain] Commitments and contingencies [Abstract] Commitments and contingencies [Abstract] Cash flows from operating activities: Cash flows from (used in) operating activities [abstract] Aplo and 3iQ Aplo and 3iQ [Member] Aplo and 3iQ Share of loss of equity-accounted investees, net of tax Share of loss of equity-accounted investees, net of tax Share of profit (loss) of associates and joint ventures accounted for using equity method Promissory note- related party Related party promissory note [Member] Related party promissory note Next Finance Tech Digital Assets Co., Ltd. [Member] Next Finance Tech Digital Assets Co., Ltd. [Member] Next Finance Tech Digital Assets Co., Ltd. Total Total Selling, general and administrative expense Document Period End Date Document Period End Date Market Conditions, Restricted Share Units Market Conditions, Restricted Share Units [Member] Market Conditions, Restricted Share Units Warrant liabilities Warrant Liabilities Recognised As Of Acquisition Date Warrant Liabilities Recognised As Of Acquisition Date Non-adjusting events after reporting period [domain] Non-adjusting events after reporting period [domain] Disclosure of classes of share capital [line items] Disclosure of classes of share capital [line items] Payments for guarantee deposits Payments For Guarantee Deposits Payments For Guarantee Deposits Maturity [axis] Maturity [axis] Associates [axis] Associates [axis] Change in fair value of warrant liability Adjustments for gains (losses) on change in fair value of financial liabilities Document Type Document Type Share-based compensation Expense from share-based payment transactions with employees Classes of financial assets [axis] Classes of financial assets [axis] Trademark / Trade Name Brand names [member] Profit or loss [abstract] Equity-Accounted Investees [Abstract] Equity-Accounted Investees [Abstract] Changes in number of shares outstanding [abstract] Changes in number of shares outstanding [abstract] Revenue of combined entity as if combination occurred at beginning of period Revenue of combined entity as if combination occurred at beginning of period Disclosure of financial liabilities [abstract] Classes of assets [axis] Classes of assets [axis] From four years to five years Later than four years and not later than five years [member] Types of share-based payment arrangements [domain] Types of share-based payment arrangements [domain] Revenue of acquiree since acquisition date Revenue of acquiree since acquisition date Earnings (loss) per share: Earnings per share [abstract] Range [axis] Range [axis] Entering into significant commitments or contingent liabilities Entering into significant commitments or contingent liabilities [member] Components of equity [axis] Components of equity [axis] Loss from cybersecurity incident, number of NEM Losses From Cybersecurity Incident Losses From Cybersecurity Incident Other financial liabilities Disclosure of financial liabilities [text block] Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] Increase (decrease) in deposits received Adjustments for increase (decrease) in deposits from customers Restricted share units Restricted share units [member] Profit (loss) before income taxes Profit (loss) before income taxes Profit (loss) before tax Identifiable intangible assets Identifiable Intangible Assets, Tax Liabilities [Member] Identifiable Intangible Assets, Tax Liabilities Crypto-Asset Service Provider (CASP) Crypto-Asset Service Provider (CASP) [Member] Crypto-Asset Service Provider (CASP) Professional services Reverse Recapitalization, Professional Services Reverse Recapitalization, Professional Services Equity Disclosure of share capital, reserves and other equity interest [text block] Categories of related parties [domain] Categories of related parties [domain] Disclosure of other provisions [table] Disclosure of other provisions [table] Provisions Non-current portion Other non-current provisions Disclosure of detailed information about business combination [table] Disclosure of detailed information about business combination [table] Next Finance Tech International Co., Ltd. [Member] Next Finance Tech International Co., Ltd. [Member] Next Finance Tech International Co., Ltd. Weighted average grant date fair value per share, at the beginning of period (in USD per share) Weighted average grant date fair value per share, at the ending of period (in USD per share) Weighted average exercise price of other equity instruments outstanding in share-based payment arrangement Auditor location Auditor Location Addition (business combination) Increase (decrease) through business combinations, deferred tax liability (asset) Equity Description Of Accounting Policy For Equity [Text Block] Description Of Accounting Policy For Equity Interest income received Interest received, classified as operating activities Warrant, exercise price (in dollars per share) Warrant, Excersie Price Warrant, Excersie Price Issuance of shares in Reverse Recapitalization, net Reverse Recapitalization, Net Reverse Recapitalization, Net Change in fair value Increase (decrease) in fair value measurement, liabilities Thunder Bridge Thunder Bridge Capital Partners IV, Inc. [Member] Thunder Bridge Capital Partners IV, Inc. Products and services [domain] Products and services [domain] Tax rate differences with Coincheck Parent Tax rate effect of differences with parent Tax rate effect of differences with parent Basis of presentation of consolidated financial statements [Abstract] Basis of preperation of consolidated financial statements [Abstract] Basis of presentation of consolidated financial statements [Abstract] Weighted average shares - basic (shares) Weighted-average number of shares, basic (in shares) Weighted average number of ordinary shares used in calculating basic earnings per share Accrued enterprise tax Accrued enterprise tax [Member] Accrued enterprise tax Recoverable expenses Recoverable amount of asset or cash-generating unit Disclosure of temporary difference, unused tax losses and unused tax credits Disclosure of temporary difference, unused tax losses and unused tax credits [text block] Disclosure Of Significant Unobservable Inputs Used In Fair Value Measurement Of Assets and Liabilities [Line Items] Disclosure Of Significant Unobservable Inputs Used In Fair Value Measurement Of Assets and Liabilities [Line Items] Disclosure Of Significant Unobservable Inputs Used In Fair Value Measurement Of Assets and Liabilities Schedule Of Finance Income And Expenses Schedule Of Finance Income And Expenses [Table Text Block] Schedule Of Finance Income And Expenses Disclosure of detailed information about intangible assets [table] Disclosure of detailed information about intangible assets [table] Coincheck Parent Coincheck Parent [Member] Coincheck Parent Share-based payments Key management personnel compensation, share-based payment Provision Of Sales Service, Related Party Transactions Provision Of Sales Service, Related Party Transactions Provision Of Sales Service, Related Party Transactions Borrowing Balance of executed borrowed commitment line Borrowings Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Increase in deferred tax liabilities Increase (Decrease) Deferred Tax Liabilities Increase (Decrease) Deferred Tax Liabilities Other financial assets Total Other financial assets Net increase (decrease) in cash and cash equivalents Increase (decrease) in cash and cash equivalents after effect of exchange rate changes Deferred tax expenses (benefits) Deferred tax expense (income) [abstract] Promissory note payable - related party Promissory Note Payables Recognised As Of Acquisition Date Promissory Note Payables Recognised As Of Acquisition Date Sale of non-major line of business, net of cash and cash equivalents divested Cash Flows From Losing Control Of Other Businesses, Classified As Investing Activities Cash Flows From Losing Control Of Other Businesses, Classified As Investing Activities Disclosure of significant unobservable inputs used in fair value measurement of liabilities [table] Disclosure of significant unobservable inputs used in fair value measurement of liabilities [table] Weighted average grant date fair value per share, vested (in USD per share) Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement Net cash provided by financing activities Cash flows from (used in) financing activities Other Non-Current Equity Instruments Non-Current Equity Instruments Counterparties [axis] Counterparties [axis] Earnings per share Description of accounting policy for earnings per share [text block] Accumulated depreciation, amortisation and impairment Accumulated depreciation, amortisation and impairment [member] Crypto assets Description of accounting policy for financial assets [text block] Entity Current Reporting Status Entity Current Reporting Status Treasury shares Treasury shares Statement of changes in equity [table] Statement of changes in equity [table] Less: promissory note - related party Reverse Recapitalization, Promissory Note Reverse Recapitalization, Promissory Note Crypto assets held (current assets) Crypto Assets Held, Current Assets Crypto Assets Held, Current Assets Volatility Historical volatility for shares, measurement input [member] Cost of sales Cost of sales Classes of assets [domain] Classes of assets [domain] Current Fiscal Year End Date Current Fiscal Year End Date Proceeds from sale of property and equipment Proceeds from sales of property, plant and equipment, classified as investing activities Related Party [Abstract] Related Party [Abstract] Related Party [Abstract] Expenses pertaining to leases of low-value assets that are not short-term leases expenses Expense relating to leases of low-value assets for which recognition exemption has been used Credit-impaired Financial instruments credit-impaired [member] Bottom of range Bottom of range [member] Categories of related parties [axis] Categories of related parties [axis] Impairment of non-financial assets Description of accounting policy for impairment of non-financial assets [text block] Disclosure of detailed information about borrowings [line items] Disclosure of detailed information about borrowings [line items] Retail Retail Segment [Member] Retail Segment Total financial assets Balance at beginning of period Balance at end of period Financial assets MynaWallet, Inc. MynaWallet, Inc. [Member] MynaWallet, Inc. Deferred tax liabilities Non-current liabilities Property and equipment Property, plant and equipment recognised as of acquisition date Accrued bonus Current Accured Bonus Current Accured Bonus Other financial liabilities Intangible assets Financial liabilities recognised as of acquisition date Total non-current assets Non-current assets recognised as of acquisition date Document Registration Statement Document Registration Statement Number of shares issued (in shares) Number of shares issued (in shares) Number of shares issued Segment reporting Disclosure of entity's operating segments [text block] Temporary difference, unused tax losses and unused tax credits [domain] Temporary difference, unused tax losses and unused tax credits [domain] Transaction costs and professional fees Less: transaction costs and professional fees, paid at closing Payments Of Reverse Recapitalization Transaction Costs Payments Of Reverse Recapitalization Transaction Costs Accumulated depreciation and amortisation Accumulated depreciation and amortisation [member] Profit or loss Profit or loss [Member] Profit or loss Retained earnings (accumulated deficit) Retained earnings [member] Financial income and expenses Disclosure of finance income (cost) [text block] Increase in tax rate Deferred tax expense (income) relating to tax rate changes or imposition of new taxes From one year to two years Later than one year and not later than two years [member] Leases Description of accounting policy for leases [text block] Analysis of income and expense [abstract] Contractual commitment amount related to lease contract Lease Contract, Purchase Commitment, Amount Lease Contract, Purchase Commitment, Amount Changes in Crypto Assets Held Disclosure Of Crypto Assets, Activity [Table Text Block] Disclosure Of Crypto Assets, Activity Depreciation and amortization Depreciation and amortisation expense Business Contact Business Contact [Member] Discount rate used in current estimate of value in use Discount rate used in current estimate of value in use Tax rate effect of foreign tax rates Tax rate effect of foreign tax rates Liabilities: Liabilities [abstract] Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [text block] Ordinary share per unit delivered once vested Share-Based Payment Arrangement, Settlement, Number Of Common Shares Issuable Upon Vesting Share-Based Payment Arrangement, Settlement, Number Of Common Shares Issuable Upon Vesting Warrants outstanding Reverse Recapitalization, Warrants Outstanding Reverse Recapitalization, Warrants Outstanding Carrying amount Carrying amount [member] Additions (transferred from Construction in progress) Increase (decrease) through transfers from construction in progress, property, plant and equipment including right-of-use assets Total liability-related 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Sub-total Other non-current financial assets Warrant liability Non-current warrant liability Other current liabilities Other Current Liabilities Recognised As Of Acquisition Date Other Current Liabilities Recognised As Of Acquisition Date Total expenses Operating expense Useful life measured as period of time, intangible assets other than goodwill Useful life measured as period of time, intangible assets other than goodwill Classes of share capital [axis] Classes of share capital [axis] Disclosure of fair value measurement of liabilities [table] Disclosure of fair value measurement of liabilities [table] Share of profit (loss) of associates accounted for using equity method Share of profit (loss) of associates accounted for using equity method Cost of sales Cost Of Sales, Related Party Transactions Cost Of Sales, Related Party Transactions Authorised share capital (in shares) Number of shares authorised Total equity Equity at beginning of period Equity at end of period Equity Expenditure on internally generated intangible assets Payments On Internally Generated Intangible Assets Payments On Internally Generated Intangible Assets Entity Addresses, Address Type [Axis] Entity Addresses, Address Type [Axis] Property and equipment Property, plant and equipment Operating profit (loss) Gross profit Others Other receivables Sub-total Other Revenue Sources, Subtotal [Member] Other Revenue Sources, Subtotal Net loss on sale or disposal of intangible assets Adjustments For Gain (Loss) On Disposals, Intangible Assets Adjustments For Gain (Loss) On Disposals, Intangible Assets Issuance of shares in business acquisition Issuance of shares in business acquisition [Member] Issuance of shares in business acquisition Other current liabilities Total Other current non-financial liabilities Level 1 Level 1 of fair value hierarchy [member] Line Of Credit 6,000 Million Line Of Credit 6,000 Million [Member] Line Of Credit 6,000 Million Disclosure of detailed information about 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losses and unused tax credits [line items] Disclosure of temporary difference, unused tax losses and unused tax credits [line items] Percentage of entity's revenue Percentage of entity's revenue Business management service fee Business Management Service Fee, Related Party Transactions Business Management Service Fee, Related Party Transactions Statement of changes in equity [abstract] Retained earnings (accumulated deficit) Retained earnings Measurement [domain] Measurement [domain] Disclosure of detailed information about business combination Disclosure of detailed information about business combination [text block] Disclosure of detailed information about financial instruments [line items] Disclosure of detailed information about financial instruments [line items] Intangible Assets [Abstract] Intangible Assets [Abstract] Significant unobservable input, assets Significant unobservable input, assets Number of RSUs granted (in shares) Number of other equity instruments granted in share-based payment arrangement Other Financial Assets [Abstract] Gain on sale of business Adjustments for gain (loss) on disposal of investments in subsidiaries, joint ventures and associates Effect of reverse recapitalization Revision of Prior Period, Adjustment [Member] Legal Entity [Axis] Legal Entity [Axis] Subsidiaries [axis] Subsidiaries [axis] Profit (loss), attributable to ordinary equity holders of parent entity, used in calculating basic earnings per share Profit (loss), attributable to ordinary equity holders of parent entity, used in calculating basic earnings per share Interest expenses paid Interest paid, classified as operating activities Auditor [Abstract] Auditor Disclosure of maturity analysis for financial assets held for managing liquidity risk Disclosure of maturity analysis for financial assets held for managing liquidity risk [text block] Liabilities arising from financing activities at beginning of period Liabilities arising from financing activities at end of period Liabilities arising from financing activities Coincheck, Inc. Coincheck, Inc. [Member] Coincheck, Inc. Non-current portion Lease liabilities Non-current lease liabilities Accrued bonuses Accrued bonuses [Member] Accrued bonuses Revenue Source [Axis] Revenue Source [Axis] Revenue Source Disclosure of revenue from contracts with customers Disclosure of revenue from contracts with customers [text block] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction [Flag] Disclosure of fair value measurement of assets [table] Disclosure of fair value measurement of assets [table] Segments [domain] Segments [domain] Cash and cash equivalents Cash and cash equivalents at the beginning of period Cash and cash equivalents at the end of period Cash and cash equivalents Document Information [Table] Document Information [Table] Foreign currency translation adjustment Reserve of exchange differences on translation Disclosure of non-adjusting events after reporting period [line items] Disclosure of non-adjusting events after reporting period [line items] Related Party Transactions Disclosure of transactions between related parties [text block] Total liabilities and equity Equity and liabilities Property, plant and equipment [abstract] Business combinations [axis] Business combinations [axis] Business combinations [domain] Business combinations [domain] Property, plant and equipment, pledged as collateral Property, plant and equipment, pledged as security Staking Revenue Staking Revenue [Member] Staking Revenue Institutional Institutional Segment [Member] Institutional Segment Crypto asset borrowings Current Crypto Asset Borrowings Current Crypto Asset Borrowings Accrued expenses Accrued expenses [Member] Accrued expenses Risk-free rate Interest rate, measurement input [member] Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items] Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items] Disclosure of fair value measurement of equity Disclosure of fair value measurement of equity [abstract] Disclosure of attribution of expenses by nature to their function [table] Disclosure of attribution of expenses by nature to their function [table] Less: Additional paid-in capital transferred over when transferring net liabilities from CCG, under common control Reverse Recapitalization, Additional Paid-In Capital Transferred Reverse Recapitalization, Additional Paid-In Capital Transferred Foreign currency translation Increase (decrease) through effect of changes in foreign exchange rates, liabilities arising from financing activities Changes in liabilities arising from financing activities [abstract] Changes in liabilities arising from financing activities [abstract] City Area Code City Area Code Accumulated Depreciation, Location [Axis] Accumulated Depreciation, Location [Axis] Accumulated Depreciation, Location Useful life measured as period of time, property, plant and equipment Useful life measured as period of time, property, plant and equipment Issuance of shares for restricted share units Increase (decrease) through other changes, equity More than five years Later than five years [member] Disclosure of income tax expense (benefits) Disclosure of income tax expense (benefits) [Text Block] Disclosure of income tax expense (benefits) Related parties Disclosure of related party [text block] Classes of financial assets [domain] Classes of financial assets [domain] Other Financial Assets Disclosure Of Other Financial Assets [Table Text Block] Disclosure Of Other Financial Assets Intangible assets Disclosure of intangible assets [text block] Plus: Treasury shares Reverse Recapitalization, Treasury Shares Reverse Recapitalization, Treasury Shares Level 3 Level 3 of fair value hierarchy [member] Capital Management, Regulator [Axis] Capital Management, Regulator [Axis] Capital Management, Regulator Recognized in OCI Income tax relating to components of other comprehensive income Sales and disposals Disposals, property, plant and equipment including right-of-use assets Investment management fee receivable Receivables From Contracts With Customers, Investment Management Fee Receivables From Contracts With Customers, Investment Management Fee Other current assets Total Other current non-financial assets Interest expenses on lease liabilities Interest expense on lease liabilities Use of judgements, estimates, and assumptions Disclosure of accounting judgements and estimates [text block] Repayments of lease obligations Repayments of non-current borrowings Goodwill arising on acquisition Goodwill recognised as of acquisition date 3iQ Digital Holdings, Inc. 3iQ Digital Holdings, Inc. [Member] 3iQ Digital Holdings, Inc. Disclosure of classes of share capital [table] Disclosure of classes of share capital [table] Unobservable inputs [axis] Unobservable inputs [axis] Auditor name Auditor Name Disclosure of disaggregation of revenue from contracts with customers [line items] Disclosure of disaggregation of revenue from contracts with customers [line items] Customer accounts receivable Disclosure of trade and other receivables [text block] Decrease in deferred tax assets Increase (Decrease) Deferred Tax Assets Increase (Decrease) Deferred Tax Assets Other financial assets Sub-total Other current financial assets Not internally generated Not internally generated [member] Customer accounts receivable Current Customer Accounts Receivable Recognised As Of Acquisition Date Current Customer Accounts Receivable Recognised As Of Acquisition Date Goodwill Goodwill [member] Share price Share price, measurement input [Member] Share price, measurement input Tax Effect, Scenario [Axis] Tax Effect, Scenario [Axis] Tax Effect, Scenario Net cash provided by (used in) operating activities Cash flows from (used in) operating activities Number of RSUs forfeited and cancelled (in shares) Number of other equity instruments forfeited in share-based payment arrangement Non-current liabilities: Non-current liabilities [abstract] Entity [Domain] Entity [Domain] Share-based payments Disclosure of share-based payment arrangements [text block] Financial Instruments [Abstract] Financial Instruments [Abstract] Other Miscellaneous other operating income Other financial liabilities Other financial liabilities Other non-current financial liabilities Permanent difference Tax rate effect of permanent differences Tax rate effect of permanent differences Document Fiscal Year Focus Document Fiscal Year Focus Crypto asset borrowings Platform Operator, Crypto Asset [Text Block] Share price per share (in USD per share) Share Price Per Share Share Price Per Share Increase Increase (decrease) in financial assets Other income Other income Other income Classes of other provisions [axis] Classes of other provisions [axis] Business management fee Business Management Fee Business Management Fee Leasehold improvements Leasehold improvements [member] Expected impact of initial application of new standards Disclosure of expected impact of initial application of new standards or interpretations [text block] Loans payable to related party Current Loans Payable To Related Parties Current Loans Payable To Related Parties Exchange gain Foreign exchange gain Current tax expenses Current tax expense (income) and adjustments for current tax of prior periods [abstract] Commission received Commissions [Member] Commissions Excise tax payable Current excise tax payables Total Key management personnel compensation KDDI Corporation KDDI Corporation [Member] KDDI Corporation Other current assets Other Current Assets Recognized As Of Acquisition Date Other Current Assets Recognized As Of Acquisition Date Derivative financial liabilities Derivative financial liabilities Disclosure of credit risk exposure [line items] Disclosure of credit risk exposure [line items] Ordinary shares Ordinary shares [member] Customer accounts receivable Current trade receivables au Coincheck Digital Assets, Inc. au Coincheck Digital Assets, Inc. [Member] au Coincheck Digital Assets, Inc. Disclosure of reconciliation of changes in loss allowance Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [text block] Deferred tax assets Deferred Tax Asset [Member] Deferred Tax Asset Earnings per share Disclosure of earnings per share [text block] Total gross carrying amount Gross carrying amount [member] Statutory effective tax rate Applicable tax rate Crypto Assets, Activity [Table] Crypto Assets, Activity [Table] Crypto Assets, Activity [Table] Monex Group Inc. Monex Group Inc. [Member] Monex Group Inc. Intangible assets Description of accounting policy for intangible assets and goodwill [text block] Interest Expense, Related Party Transactions Interest Expense, Related Party Transactions Interest Expense, Related Party Transactions Local Phone Number Local Phone Number Within one year Not later than one year [member] Financial Risk Management [Abstract] Financial Risk Management [Abstract] Revenue Source [Domain] Revenue Source [Domain] Revenue Source [Domain] New or amended accounting standards and interpretations issued but not yet applied Description Of Accounting Policy For New Or Amended Accounting Standards And Interpretations Issued But Not Yet Applied [Text Block] Description Of Accounting Policy For New Or Amended Accounting Standards And Interpretations Issued But Not Yet Applied Income taxes payable Current tax liabilities Intangible assets Identifiable intangible assets recognised as of acquisition date Less: Ghisallo Non-Redemption Agreement Less: Ghisallo Non-Redemption Agreement Non-Redemption Premium Paid In Reverse Recapitalization Non-Redemption Premium Paid In Reverse Recapitalization Loans payables to third parties Non-current portion of non-current borrowings Adjustment to mid-market consensus price, measurement input [member] Adjustment to mid-market consensus price, measurement input [member] 3iQ Digital Assets (US) Inc. [Member] 3iQ Digital Assets (US) Inc. [Member] 3iQ Digital Assets (US) Inc. Property, plant and equipment Property, plant and equipment [member] Cash Cash transferred Deferred Tax Assets (Liabilities), Type [Axis] Deferred Tax Assets (Liabilities), Type [Axis] Deferred Tax Assets (Liabilities), Type Deposits and guarantee deposits Non-Current Deposit Assets Non-Current Deposit Assets Property and equipment Description of accounting policy for property, plant and equipment [text block] Subscription receivable Accounts Receivable, Subscription Accounts Receivable, Subscription Total fair value of consideration Consideration transferred, acquisition-date fair value Others Increase (decrease) through other changes, intangible assets and goodwill Repayments of lease obligations Payments of lease liabilities, classified as financing activities Entity Voluntary Filers Entity Voluntary Filers Events after the reporting date [Abstract] Events after the reporting date [Abstract] Events after the reporting date Weighted average grant date fair value per share, forfeited and cancelled (in USD per share) Weighted average exercise price of other equity instruments forfeited in share-based payment arrangement Other Current Liabilities Disclosure Of Other Current Liabilities [Table Text Block] Disclosure Of Other Current Liabilities Registrant Name Entity Registrant Name Credit card settlement receivables(1) Receivables From Contracts With Customers, Credit Card Settlements Receivables From Contracts With Customers, Credit Card Settlements Basic earnings (loss) per share (in Yen per share) Basic net earnings (losses) per share (in Yen per share) Basic earnings (loss) per share Foreign exchange gain Adjustments for unrealised foreign exchange losses (gains) Measurement [axis] Measurement [axis] Weighted average shares - diluted (shares) Weighted-average number of shares, diluted (in shares) Weighted average number of ordinary shares used in calculating diluted earnings per share Financial Income [Abstract] Financial Income [Abstract] Financial Income Less: income tax payable Reverse Recapitalization, Income Tax Payable Reverse Recapitalization, Income Tax Payable Origination and reversal of temporary differences Deferred tax expense (income) relating to origination and reversal of temporary differences Crypto Assets, Activity [Line Items] Crypto Assets, Activity [Line Items] Crypto Assets, Activity [Line Items] Revision of Prior Period [Domain] Revision of Prior Period [Domain] Classes of intangible assets other than goodwill [domain] Classes of intangible assets other than goodwill [domain] Share-based payments Adjustments for share-based payments Monex Finance Corporation, JSF Trust and Banking Co., Ltd. and Aozora Bank, Ltd. Monex Finance Corporation, JSF Trust and Banking Co., Ltd. and Aozora Bank, Ltd. [Member] Monex Finance Corporation, JSF Trust and Banking Co., Ltd. and Aozora Bank, Ltd. Aplo SAS Aplo SAS [Member] Aplo SAS Classes of intangible assets and goodwill [axis] Classes of intangible assets and goodwill [axis] Transaction related costs Transaction Related Cost Transaction Related Cost Financial income and expenses [Abstract] Financial income and expenses [Abstract] Subcontract labor costs Subcontract Labor Cost Subcontract Labor Cost Common stock Common Shares [Member] Common Shares Employee benefits Disclosure of employee benefits [text block] Disclosure of reconciliation of changes in intangible assets and goodwill Disclosure of reconciliation of changes in intangible assets and goodwill [text block] (Increase) decrease in other financial assets (current assets) Adjustments For Decrease (Increase) In Other Current Financial Assets Adjustments For Decrease (Increase) In Other Current Financial Assets Non-redemption premium paid Capital non-redemption premium paid Capital non-redemption premium paid Equity: Equity [abstract] Others Other expenses, by nature Disclosure of disaggregation of revenue from contracts with customers [table] Disclosure of disaggregation of revenue from contracts with customers [table] Disclosure of operating segments [abstract] Fair value hierarchy of assets measured at fair value Disclosure of fair value measurement of assets [text block] Previously Reported Previously Reported [Member] Other Current Assets Disclosure Of Other Current Assets [Table Text Block] Disclosure Of Other Current Assets Subclassifications of assets, liabilities and equities [abstract] Cash segregated as deposits Disclosure Of Cash Segregated As Deposits [Text Block] Disclosure Of Cash Segregated As Deposits Proceeds from Reverse Recapitalization, net of equity distribution based on Non-Redemption Agreement Net proceeds from reverse recapitalization Proceeds from Reverse Recapitalization, net of Non-Redemption Agreement, transaction costs and professional fees Proceeds From Reverse Recapitalization Transaction Proceeds From Reverse Recapitalization Transaction (Increase) decrease in other current assets Adjustments for decrease (increase) in other current assets Additions (not by business combination) Additions other than through business combinations, intangible assets other than goodwill Disclosure of fair value measurement of liabilities [line items] Disclosure of fair value measurement of liabilities [line items] Selling, general and administrative expenses Disclosure of general and administrative expense [text block] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Equity distribution and subsequent cash receipts as equity contributions Transfer Between Financial Liabilities And Equity, Foreclosure Recapture Amount Transfer Between Financial Liabilities And Equity, Foreclosure Recapture Amount Assumptions used to value private warrant liabilities Disclosure of significant unobservable inputs used in fair value measurement of liabilities [text block] Disclosure of temporary difference, unused tax losses and unused tax credits [table] Disclosure of temporary difference, unused tax losses and unused tax credits [table] Country Region Country Region Parent company Parent [member] Cash outflow for leases Cash outflow for leases Social security contributions Social security contributions Goodwill expected to be deductible for tax purposes Goodwill expected to be deductible for tax purposes Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table] Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table] Auditor firm ID Auditor Firm ID Capital surplus Share premium [member] Schedule of revenue breakdowns Disclosure of disaggregation of revenue from contracts with customers [text block] Platform Operator, Crypto Asset [Abstract] Software development costs, employee benefits and consultant fee, capitalised Software Development Costs, Employee Benefits And Consultant Fee, Capitalised Software Development Costs, Employee Benefits And Consultant Fee, Capitalised Total comprehensive income (loss) for the period attributable to owners of the Company Comprehensive income, attributable to owners of parent Intangible assets pledged as security for liabilities Intangible assets pledged as security for liabilities Profit (loss) of acquiree since acquisition date Profit (loss) of acquiree since acquisition date Share-based payments [Abstract] Share-based payments [Abstract] Decrease in excise tax payable Increase (Decrease) In Excise Taxes Payable Increase (Decrease) In Excise Taxes Payable Total non-current liabilities Liabilities Liabilities Others Other tax rate effects for reconciliation between accounting profit and tax expense (income) Income taxes payable Income Taxes Payable Recognized As Of Acquisition Date Income Taxes Payable Recognized As Of Acquisition Date Other payables to parent company Other Current Payable To Parent Company Other Current Payable To Parent Company Disclosure of subsidiaries [table] Disclosure of subsidiaries [table] Foreign currency translation adjustment in foreign operations Equity, Increase (Decrease) in Foreign Currency Translation Adjustment, Foreign Operations Equity, Increase (Decrease) in Foreign Currency Translation Adjustment, Foreign Operations Accounts payable and accrued expenses Trade and other payables recognised as of acquisition date Foreign currency translation Increase (decrease) through net exchange differences, property, plant and equipment Fair value measurement Disclosure of fair value measurement [text block] Consumption tax receivable Current Consumption Tax Receiavble Current Consumption Tax Receiavble Ordinary shares Issued capital, ordinary shares Issued capital, ordinary shares Issued capital, ordinary shares Dividend yield Dividend yield, measurement input [Member] Dividend yield, measurement input Lease liabilities Lease liabilities [member] Current-year losses for which no deferred tax asset is recognized Tax rate effect of current year losses for which no deferred tax asset is recognised Tax rate effect of current year losses for which no deferred tax asset is recognised Next Finance Tech Co., LTD. Next Finance Tech Group [Member] Next Finance Tech Group Crypto assets held, impairment Non-Current Crypto Assets Held, Impairment Non-Current Crypto Assets Held, Impairment Alpha Tech Investments Ltd. Alpha Tech Investments Ltd. [Member] Alpha Tech Investments Ltd. Property, plant and equipment including right-of-use assets at beginning of period Property, plant and equipment including right-of-use assets at end of period Property, plant and equipment including right-of-use assets Line Of Credit 5,000 Million Line Of Credit 5,000 Million [Member] Line Of Credit 5,000 Million Current tax expense (income) Current tax expense (income) Non-adjusting events after reporting period [axis] Non-adjusting events after reporting period [axis] Valuation techniques used in fair value measurement [domain] Valuation techniques used in fair value measurement [domain] Top of range Top of range [member] Authorised share capital Authorised capital Authorised capital Issuance of shares to Thunder Bridge shareholders Issuance of Equity, Recapitalization Issuance of Equity, Recapitalization Additions (by business combination) Non-Current Crypto Assets Held, Addition, By Business Combinations Non-Current Crypto Assets Held, Addition, By Business Combinations Average closing price (in USD per share) Weighted average share price Scenario [Axis] Scenario [Axis] Foreign exchange impact Settlements, fair value measurement, assets Share listing and associated expenses Reverse Recapitalization, Share Listing And Associated Expenses Reverse Recapitalization, Share Listing And Associated Expenses Weighted-average recognition period Unrecognized Expense From Share-based Payment Transactions With Employees, Period For Recognition Unrecognized Expense From Share-based Payment Transactions With Employees, Period For Recognition Weighted average grant date fair value per share, granted (in USD per share) Weighted average exercise price of other equity instruments granted in share-based payment arrangement From three years to four years Later than three years and not later than four years [member] Tax effect of tax losses Tax effect of tax losses Service-Based Conditions, Restricted Share Units Service-Based Conditions, Restricted Share Units [Member] Service-Based Conditions, Restricted Share Units Provision Of Sales Service, Amounts Payables, Related Party Transactions Provision Of Sales Service, Amounts Payables, Related Party Transactions Provision Of Sales Service, Amounts Payables, Related Party Transactions Other Miscellaneous other operating expense Other revenue Other Revenue [Member] Other Revenue Ruby Moriarty LLC Ruby Moriarty LLC [Member] Ruby Moriarty LLC Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Borrowings by name [domain] Borrowings by name [domain] Monex Finance Corporation and JSF Trust and Banking Co., Ltd Monex Finance Corporation and JSF Trust and Banking Co., Ltd [Member] Monex Finance Corporation and JSF Trust and Banking Co., Ltd Associates of parent company Other related parties [member] Impairment loss of other financial assets (non-current assets) Impairment loss (reversal of impairment loss) recognised in profit or loss Revenue arising from contracts with customers Revenue from contracts with customers Interest expense Interest costs incurred Functional currency and presentation currency Description of accounting policy for functional currency [text block] Deferred tax liabilities Deferred tax liabilities Deferred tax liabilities Deferred tax liabilities CCG Administrative Services, Inc. CCG Administrative Services, Inc. [Member] CCG Administrative Services, Inc. Increase (decrease) in other financial liabilities Adjustments for increase (decrease) in other financial liabilities Property, plant and equipment including right-of-use assets [axis] Property, plant and equipment including right-of-use assets [axis] Classes of liabilities [axis] Classes of liabilities [axis] Counterparties [domain] Counterparties [domain] Current portion Other current provisions Treasury shares Treasury shares [member] Total identifiable net assets acquired Net assets (liabilities) of Thunder Bridge as of December 10, 2024 Identifiable assets acquired (liabilities assumed) Types of share-based payment arrangements [axis] Types of share-based payment arrangements [axis] Depreciation and amortization Adjustments for depreciation and amortisation expense Forecast Forecast [Member] Basis for consolidation Description Of Accounting Policy For Basis Of Consolidation [Text Block] Description Of Accounting Policy For Basis Of Consolidation Title of 12(b) Security Title of 12(b) Security Disclosure of subsidiaries [line items] Disclosure of subsidiaries [line items] Ordinary shares of Coincheck Parent Equity interests of acquirer Fair value hierarchy of liabilities measured at fair value Disclosure of fair value measurement of liabilities [text block] Issuance of new shares Issue of equity Proceeds from loan from related party Cash advances and loans from related parties Vesting period Vesting Requirements For Share-Based Payment Arrangement, Vesting Period Vesting Requirements For Share-Based Payment Arrangement, Vesting Period Percentage of voting rights held by the Company Proportion of voting rights held in subsidiary Unrecognized costs of unvested RSUs Unrecognized Expense From Share-based Payment Transactions With Employees Unrecognized Expense From Share-based Payment Transactions With Employees Interest expense Adjustments For Interest Expense 1 Adjustments For Interest Expense 1 Crypto assets held Crypto Assets [Text Block] Crypto Assets Property, plant and equipment including right-of-use assets [domain] Property, plant and equipment including right-of-use assets [domain] Subsidiaries [domain] Subsidiaries [domain] Employee Benefits [Abstract] Employee Benefits [Abstract] Employee Benefits [Abstract] Disclosure of credit risk exposure Disclosure of credit risk exposure [text block] Borrowings by name [axis] Borrowings by name [axis] Other Revenue Sources Other Revenue Sources [Member] Other Revenue Sources Payment Institution (PI) Licenses Payment Institution (PI) Licenses [Member] Payment Institution (PI) Licenses Share-based payment reserve Reserve of share-based payments Growth rate used to extrapolate cash flow projections Growth rate used to extrapolate cash flow projections Schedule of shares outstanding Disclosure of classes of share capital [text block] Impairment loss allowance Accumulated impairment [member] Schedule of Expenses By Nature Schedule of Expenses By Nature [Table Text Block] Schedule of Expenses By Nature Commitments and contingencies Disclosure of commitments and contingent liabilities [text block] Financial instruments Disclosure of financial instruments [text block] Licences [member] Licences [member] Classes of intangible assets and goodwill [domain] Classes of intangible assets and goodwill [domain] Borrowings, interest rate Borrowings, interest rate Net cash provided by (used in) investing activities Cash flows from (used in) investing activities Proceeds received from non-redemption agreement Equity, Increase (Decrease) from Non-Redemption Agreement Equity, Increase (Decrease) from Non-Redemption Agreement Disclosure of detailed information about intangible assets [line items] Disclosure of detailed information about intangible assets [line items] Next Finance Tech Co, Ltd. Next Finance Tech Co, Ltd. [Member] Next Finance Tech Co, Ltd. Total Employee benefits expense Increase (decrease) in intangible assets other than goodwill Increase (decrease) in intangible assets other than goodwill Amortisation Amortisation, intangible assets other than goodwill Financial instruments Description of accounting policy for financial instruments [text block] Total current assets Current assets Less: warrant liabilities Reverse Recapitalization, Warrant Liabilities Reverse Recapitalization, Warrant Liabilities Total for all subsidiaries Total for all subsidiaries [member] Recognized through profit or loss Deferred tax expense (income) recognised in profit or loss Right-of-use assets obtained in exchange for lease liabilities Additions other than through business combinations, right-of-use assets Foreign exchange impact Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, liabilities Segments [axis] Segments [axis] Other Current Other Financial Liabilities Current Other Financial Liabilities Investment Management Fee Revenue Investment Management Fee Revenue [Member] Investment Management Fee Revenue Disclosure of transactions between related parties [table] Disclosure of transactions between related parties [table] Gain on sale of non-major line of business Gain (Loss) On Sale Of Business Segment Gain (Loss) On Sale Of Business Segment Proceeds received from non-redemption agreement Proceeds From Non-Redemption Agreement Proceeds From Non-Redemption Agreement Depreciation, property, plant and equipment Depreciation, property, plant and equipment Total Receivables from contracts with customers Warrants Description of accounting policy for warrants [text block] Basis of measurement Description of accounting policy for basis of measurement [Text Block] Description of accounting policy for basis of measurement Advertising and promotion expenses Advertising expense Other financial assets Other Current Financial Assets Recognised As Of Acquisition Date Other Current Financial Assets Recognised As Of Acquisition Date Disclosure of non-adjusting events after reporting period [table] Disclosure of non-adjusting events after reporting period [table] Nominal value Par value per share Additional paid-in capital from Reverse Recapitalization, net Reverse Recapitalization, Additional Paid-In Capital Reverse Recapitalization, Additional Paid-In Capital Property and equipment Disclosure of property, plant and equipment [text block] Other revenue Other sources Other revenue Deferred tax assets Net deferred tax assets Disclosure Of Significant Unobservable Inputs Used In Fair Value Measurement Of Assets and Liabilities [Table] Disclosure Of Significant Unobservable Inputs Used In Fair Value Measurement Of Assets and Liabilities [Table] Disclosure Of Significant Unobservable Inputs Used In Fair Value Measurement Of Assets and Liabilities Amendment Flag Amendment Flag Components of equity [domain] Components of equity [domain] Reconciliation Of Changes In Crypto Assets [Abstract] Reconciliation Of Changes In Crypto Assets [Abstract] Reconciliation Of Changes In Crypto Assets Other financial liabilities (non-current) Non-Current Other Financial Liabilities Recognised As Of Acquisition Date Non-Current Other Financial Liabilities Recognised As Of Acquisition Date Employee benefits Description of accounting policy for employee benefits [text block] Other financial liabilities Other Current Financial Liabilities Recognized As Of Acquisition Date Other Current Financial Liabilities Recognized As Of Acquisition Date New lease contracts Increase through new leases, liabilities arising from financing activities Temporary difference, unused tax losses and unused tax credits [axis] Temporary difference, unused tax losses and unused tax credits [axis] Provisions used during the year Provision used, other provisions Termination benefits Key management personnel compensation, termination benefits Range [domain] Range [domain] Net loss on sale or disposal of property and equipment Adjustments for gain (loss) on disposals, property, plant and equipment Recurring Recurring fair value measurement [member] Disclosure of information for cash-generating units Disclosure of information for cash-generating units [text block] Merger reserve Merger Reserve Impairment Merger Reserve Impairment Scenario [Domain] Scenario [Domain] Loans Loan borrowings [Member] Loan borrowings Payable for crypto assets Current Cryptocurrency Payable Current Cryptocurrency Payable Purchase of other non-current assets Purchase Of Other Non-Current Assets Purchase Of Other Non-Current Assets Address Type [Domain] Address Type [Domain] Total amount of commitment line borrowing Principal amount Notional amount Current portion Lease liabilities Current lease liabilities Disclosure of investments accounted for using equity method [text block] Disclosure of investments accounted for using equity method [text block] Increase (decrease) in other current liabilities Adjustments for increase (decrease) in other current liabilities Unwind of discount Increase (decrease) through change in discount rate, other provisions Non-current portion Categories of non-current financial liabilities [abstract] Diluted earnings (loss) per share (in Yen per share) Diluted net earnings (losses) per share (in Yen per share) Diluted earnings (loss) per share Maturity [domain] Maturity [domain] Listing of Consolidated Subsidiaries Disclosure of subsidiaries [text block] (Increase) decrease in cash segregated as deposits Adjustments for increase (decrease) in deposits Contracts With Customers Contracts With Customers [Member] Contracts With Customers Credit impairment of financial instruments [domain] Credit impairment of financial instruments [domain] Effective tax rate Average effective tax rate Disclosure of reconciliation of liabilities arising from financing activities [table] Disclosure of reconciliation of liabilities arising from financing activities [table] Bases for Calculating Basic Earnings (Losses) per Share and Diluted Earnings (Losses) per share Earnings per share [text block] Black-Scholes Merton model Option pricing model [member] Disclosure of detailed information about property, plant and equipment [table] Disclosure of detailed information about property, plant and equipment [table] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Summary of significant accounting policies [Abstract] Material accounting policies [Abstract] Summary of significant accounting policies [Abstract] Changes in tax rates or tax laws enacted or announced Changes in tax rates or tax laws enacted or announced [member]