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[Abstract] Prepaid expenses Increase (Decrease) in Prepaid Expense Gross profit Gross Profit Contract liabilities Increase (Decrease) in Contract with Customer, Liability Comprehensive Loss Comprehensive Income, Policy [Policy Text Block] Bitcoin Cash Bitcoin Cash [Member] Bitcoin Cash Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Cash paid for income tax Income Taxes Paid, Net 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Two Total bank borrowings repayments Long-Term Debt, Gross Stable coins, Fair value Stable coins, beginning balance Stable coins, ending balance Crypto asset, fair value Crypto Asset, Fair Value Recovery Accounts Receivable, Allowance for Credit Loss, Recovery Property and Equipment, net Property, Plant and Equipment Disclosure [Text Block] Total future lease payments Lessee, Operating Lease, Liability, to be Paid Shareholders’ Equity Equity [Text Block] Proceeds from call options Proceeds From Call Options, Investing Activities Proceeds From Call Options, Investing Activities Net loss Net loss Net loss Net Income (Loss) Attributable to Parent Subsequent Event [Table] Subsequent Event [Table] Non-current liabilities Liabilities, Noncurrent [Abstract] Outsourcing service deposits Outsourcing Service Deposits Outsourcing Service Deposits Accrued others Other Accrued Liabilities, Current Recently Issued Accounting Standards Adopted by the Company Recently Issued Accounting Standards Adopted By The Company [Policy Text Block] Recently Issued Accounting Standards Adopted By The Company Office lease paid to Trend Up Investment (HK) Limited Related Party Transaction, Amounts of Transaction Product Information [Line Items] Product Information [Line Items] Schedule of reconciliation of statutory income tax rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Schedule of direct or indirect interests of subsidiaries Equity Method Investments [Table Text Block] Property and equipment, net Net book value Property, Plant and Equipment, Net Price of shares and pre-funded warrants issued under PIPE (USD per share) Shares Issued, Price Per Share Accounts receivable Increase (Decrease) in Accounts Receivable Consideration Type [Domain] Consideration Type [Domain] Consideration Type [Domain] Lease term Lessee, Operating Lease, Term of Contract Customer [Axis] Customer [Axis] Option Indexed to Issuer's Equity, Type [Axis] Option Indexed to Issuer's Equity, Type [Axis] Loss from operations Operating Income (Loss) Conversion of Class B into Class A Conversion Of Class B Into Class A [Member] Conversion Of Class B Into Class A Retained earnings (accumulated deficit) Retained Earnings (Accumulated Deficit) Income taxes computed at Hong Kong Profits Tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Supplier Concentration Risk Supplier Concentration Risk [Member] Transaction [Domain] Transaction [Domain] Release to stable coins Crypto Asset, Restricted, Increase (Decrease) From Releases Crypto Asset, Restricted, Increase (Decrease) From Releases Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Over time Transferred over Time [Member] Crypto Asset, Activity [Table] Crypto Asset, Activity [Table] Class of Stock [Axis] Class of Stock [Axis] Current Fiscal Year End Date Current Fiscal Year End Date Digital assets Digital Assets [Member] Digital Assets Subsequent Event Type [Domain] Subsequent Event Type [Domain] Expected term of incentive plan Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Impairment loss of intangible assets Impairment of Intangible Assets, Finite-Lived Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Schedule of accounts receivable, net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Payables and Accruals [Abstract] Payables and Accruals [Abstract] Other income , net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Derivative liabilities Derivative Liability Deferred tax benefit Total deferred tax Deferred Income Tax Expense (Benefit) Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Number of subsidiaries established Number Of Subsidiaries Number Of Subsidiaries Revenue Benchmark Revenue Benchmark [Member] Prepaid repair and maintenance Prepaid Repair And Maintenance Prepaid repair and maintenance. Repayment to a related party Repayments of Related Party Debt Accounts Receivable, after Allowance for Credit Loss [Abstract] Beginning balance Ending balance Contract with Customer, Liability Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Digital asset holdings that are not individually significant Crypto Asset, Other [Member] Other receivables Other Receivables, Gross, Current Cash equivalents, amount protected Cash Equivalents, At Carrying Value, Amount Protected Per Account Cash Equivalents, At Carrying Value, Amount Protected Per Account Amendment Flag Amendment Flag Number of shares authorized under incentive plan (in share) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Leases Lessee, Operating Leases [Text Block] PIPE pre-funded warrants exercisable at end of the period (in shares) Class Of Warrant Or Right, Exercisable Class Of Warrant Or Right, Exercisable Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Weighted average discount rate (%) Operating Lease, Weighted Average Discount Rate, Percent Derivative, fair value, net Derivative, Fair Value, Net Conversion of stock, ratio Conversion Of Stock, Ratio Conversion Of Stock, Ratio Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Weighted average ordinary shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Related parties Related Parties [Policy Text Block] Related Parties Transfer to stable coins - restricted Crypto Asset, Transfer To Stable Coins - Restricted Crypto Asset, Transfer To Stable Coins - Restricted Digital asset transaction fees and others Crypto Asset, Unrestricted, Increase (Decrease) From Transaction Fees And Others Crypto Asset, Unrestricted, Increase (Decrease) From Transaction Fees And Others Subsequent Events [Abstract] Subsequent Events [Abstract] Capitalized contract cost, impairment loss Capitalized Contract Cost, Impairment Loss Cost of revenue Cost of Revenue Operating lease expense Operating Lease, Expense Debt Disclosure [Abstract] Debt Disclosure [Abstract] Other income Nonoperating Income (Expense) [Abstract] Dilutive securities Dilutive Securities, Effect on Basic Earnings Per Share Accounts receivable, write off Write off Accounts Receivable, Allowance for Credit Loss, Writeoff Schedule of movement In contract liabilities Schedule Of Movement In Contract Liabilities [Table Text Block] Schedule of movement in contract liabilities Less: imputed interest Debt Instrument, Unamortized Discount Common stock, par value per share (in USD per share) Common Stock, Par or Stated Value Per Share Common stock, shares, issued (in shares) Common Stock, Shares, Issued Weighted average remaining lease term (in years) Operating Lease, Weighted Average Remaining Lease Term Crypto Asset, Holding [Table] Crypto Asset, Holding [Table] Current tax: Current Federal, State and Local, Tax Expense (Benefit) [Abstract] Use of Estimates and Assumptions Use of Estimates, Policy [Policy Text Block] Tax payable Increase (Decrease) in Income Taxes Payable Schedule of Prepaid expenses and deposits, non-current Schedule of Other Assets, Noncurrent [Table Text Block] Tether Tether [Member] Tether Schedule of fair value hierarchy Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Hong Kong Deferred Federal, State and Local, Tax Expense (Benefit) Subsequent Events Subsequent Events [Text Block] Deposits and other current assets Increase (Decrease) in Deposit Assets 2026 (remaining) Long-Term Debt, Maturity, Remainder of Fiscal Year Total non-current liabilities Liabilities, Noncurrent Total liabilities Liabilities Private Placement Offering Private Placement Offering [Member] Private Placement Offering Change in fair value of marketable securities Change in fair value of marketable securities Change in fair value Marketable Security, Unrealized Gain (Loss) Tax effect of expenses that are not deductible Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Option premium income Option premium income Option premium income Investment Income, Net Bitcoin Bitcoin [Member] Bitcoin Operating expenses Operating Expenses [Abstract] Prepaid data service Prepaid Data Service, Noncurrent Prepaid Data Service, Noncurrent Statement [Line Items] Statement [Line Items] Statement [Line Items] Cash Cash and cash equivalents Cash and Cash Equivalent Counterparty Name [Axis] Counterparty Name [Axis] Subsequent Event [Line Items] Subsequent Event [Line Items] Class A and Class B Ordinary Shares Common Stock [Member] Intangible assets, net Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] Net change in cash and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Accrued legal and professional fee Accrued Professional Fees, Current HONG KONG