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Convertible note issuance costs and fees Convertible note issuance costs and fees Commitments and contingencies (Note 10) Commitments and Contingencies Weighted Average Number of Shares Outstanding, Diluted Weighted Average Number of Shares Outstanding, Diluted, Total Diluted Weighted-average shares used to compute net income (loss) per share, diluted Crypto Asset [Text Block] Custody of Digital Assets Minimum [Member] Minimum [Member] Other Revenues [Member] Other revenues. Other revenues [Member] Non-cash allocation of note proceeds to commitment shares Non Cash Allocation Of Note Proceeds To Commitment Shares Non Cash Allocation Of Note Proceeds To Commitment Shares Thesis Inc. [Member] Thesis Inc. Thesis Inc. [Member] Debt Instrument, Interest Rate, Effective Percentage Interest rate Excess Pledged Collateral [Member] Excess pledged collateral. Excess pledged collateral [Member] Legal Fees Legal settlements Preferred Stock, Shares Outstanding Preferred stock , shares outstanding Ending balance preferred stock, shares Beginning balance preferred stock, shares Schedule of Weighted Average Number of Shares [Table Text Block] Summary of Weighted Average Number of Shares of Common Stock Outstanding Fair Value, Recurring [Member] Fair Value, Recurring [Member] Percentage of fully-diluted shares of new fold common stock Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Two Thousand Twenty Five Equity Line of Credit [Member] 2025 equity line of credit. 2025 Equity Line of Credit [Member] Shares issued for Fold Common Stock Common Stock, Shares, Issued Common stock, shares issued Debt Instrument, Face Amount Principal amount Principal debt outstanding Income Tax Expense (Benefit) Income tax expense (benefit) Total income tax expense Rewards earned by customers Rewards Earned by Customers Rewards earned by customers. Share-Based Compensation Arrangement by Share-Based Payment Award, Discount from Market Price, Purchase Date Percentage of eligible compensation per employee to purchase shares of common stock Related Party Transaction [Line Items] Amortization Of Deferred Issuance Costs Amortization Of Deferred Issuance Costs Amortization of deferred issuance costs Restricted Stock Units (RSUs) [Member] Unvested Restricted Stock Units [Member] RSUs [Member] Class of Warrant or Right, Number of Securities Called by Warrants or Rights Warrants exercisable Number of warrants related to legacy Simple Agreements for Future Equity [Member] Simple agreements for future equity. Simple Agreements for Future Equity [Member] SAFEs [Member] Repayments of Lines of Credit Repayments of lines of credit Repayment of credit facility Gain (Loss) on Extinguishment Related to Unamortized Prepaid Interest Gain loss on extinguishment related to unamortized prepaid interest. Credit card receivable, net Increase Decrease in Credit Card Receivable, Net Increase decrease in credit card receivable, net. Line of Credit Facility, Maximum Borrowing Capacity Maximum borrowing capacity Aggregate commitment amount Capitalized Cost, Software to be Sold, Leased, or Marketed, after Accumulated Amortization Capitalized Computer Software, Net, Ending Balance Capitalized Computer Software, Net, Beginning Balance Capitalized software development costs, net Capitalized software, net Net cash proceeds Cash Acquired from Acquisition Subsequent Event Type [Domain] Sale of Stock, Description of Transaction Description of shares to be sold Fair Value, Net Asset (Liability) [Abstract] Other income Nonoperating Income (Expense) Other income (expense), net Custody and Trading Revenues [Member] Custody and Trading revenues. Income Statement [Abstract] Crypto Asset, Realized Gain (Loss), Operating Realized gain (loss) Crypto Asset, Realized Gain (Loss), Operating, Total Sale of bitcoin Forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Additional interest expense of debt Interest Expense, Long-Term Debt Interest Expense, Long-Term Debt, Total Debt Instrument, Unamortized Discount Debt Instrument, Unamortized Discount, Total Debt discount, net of amortization Banking And Payment Costs Banking and payment costs. Banking and payments costs Related and Nonrelated Parties [Domain] Earnings Per Share, Basic Earnings Per Share, Basic, Total Basic Net income (loss) per share attributable to common stockholders, basic Document Period End Date Net Income (Loss) per Share Attributable to Common Stockholders, Diluted Net income (loss) per share attributable to common stockholders, diluted. Diluted March 2025 Warrants [Member] March 2025 warrants. March 2025 Warrants [Member] Digital Assets [Member] Digital Assets [Member] Digital assets. Investment Owned, Balance, Shares Initial Commitment Shares Investor Note Category One [Member] Investor note category one. Investor Note Category One [Member] Business Description and Accounting Policies [Text Block] Background and Business Combination Common stock, shares authorized Common Stock, Shares Authorized Statement of Stockholders' Equity [Abstract] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total Service period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period Transfers of Bitcoin from Investment Treasury Transfers of bitcoin from investment treasury. Transfers of bitcoin from investment treasury Stock Issued During Period Value Of Shares And Warrants Stock issued during period value of shares and warrants. Issuance of March 2025 closing shares and warrants Crypto Asset, Carrying Value Crypto asset, carrying value. Carrying value of bitcoin transferre Investments [Domain] Non - Cash Payment of Interest with Common Stock Non-cash payment of interest with common stock. Non-cash payment of interest with common stock Credit Facility [Member] Credit Facility [Member] Credit facility. Issue of discount Debt Instrument, Interest Rate, Stated Percentage Interest rate Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Disaggregation of Revenue [Table] Unamortized Debt Issuance Expense Unamortized debt issuance costs Amortization Expense Amortization expense. Amortization expense Supplemental Cash Flow Elements [Abstract] Supplemental disclosure of cash flow information Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent Employee purchase price, percentage of fair market value of common stock Assets Total assets Title of 12(b) Security Preferred stock, $0.0001 par value; 20,000,000 shares authorized, 0 shares issued and outstanding at September 30, 2026 and 0 shares issued and outstanding at December 31, 2025 Preferred Stock, Value, Issued Related Party Transaction [Axis] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Shares nonvested, Beginning Balance Shares nonvested, Ending Balance Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Granted Awards granted in period Stock Issued During Period, Shares, Employee Stock Ownership Plan Share based compensation expense,shares Antidilutive Securities, Name [Domain] Liabilities, Fair Value Disclosure [Abstract] Liabilities: Other Bitcoins Other bitcoins. Other bitcoin Investor Note Category Two [Member] Investor note category two. Investor Note Category Two [Member] Long-Term Debt and Lease Obligation, Including Current Maturities Convertible debt, net Material Affect of Unrecognized Compensation Expense Material affect of unrecognized compensation expense. Material unrecognized compensation expense Cash paid during the period for interest expense Interest Paid, Excluding Capitalized Interest, Operating Activity Change in Fair Value of Series C Warrants Change in fair value of Series C Warrants. Change in fair value of Series C warrants Change in fair value of Series C Warrants included in loss on extinguishment Change in Fair Value of Series C Warrants Included in Loss on Extinguishment Change in fair value of Series C Warrants included in loss on extinguishment. Subsidiary or Equity Method Investee, Sale of Stock, Type [Table] Payable, Common Stock Redeemed Common stock redeemed Two Thousand Twenty Five Equity Plan [Member] Two thousand twenty five equity plan. 2025 Equity Plan [Member] Interest Expense, Operating Interest Expense, Operating, Total Interest expense recognized Organization and Basis of Presentation Nature of Operations [Text Block] Schedule of disaggregation of Revenue by service type and platform Disaggregation of Revenue [Table Text Block] Debt Instrument, Periodic Payment Debt Instrument, Periodic Payment, Total Cash payment Other Selling, General and Administrative Expense Other selling, general and administrative expenses Expired rewards. Expired rewards Expired Rewards Issuance of commitment shares, shares Issuance of Commitment Shares Issuance of commitment shares. Contractual Interest Expense Accrual Contractual interest expense accrual. Contractual interest expense accrual Fair Value Adjustment For Day One Loss on Debt Isssuance Fair value adjustment for day one loss on debt isssuance. Fair Value adjustment, Day one loss on issuance of debt Equity, Attributable to Parent Ending Balance Beginning Balance Total stockholders' equity Entity Address, Address Line Two Other Assets, Noncurrent Other non-current assets Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Income Taxes Income Tax Disclosure [Text Block] Crypto Asset, Activity [Table] Earnings Per Share [Text Block] Net Income (Loss) Per Share Long-Term Debt, Fair Value Fair Value adjustment Fair value Fair value adjustment Change in fair value of SAFEs Change In Fair Value Of Simple Agreement For Future Equities Change in fair value of simple agreement for future equities. Change in fair value of SAFEs Share Repurchase Program [Line Items] Number of reportable segments Number of Reportable Segments Stockholders' Equity Note [Abstract] Ownership change percentage Ownership Change Percentage Percentage of ownership change. Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Issuance of interest shares Issuance of Interest Shares Issuance of interest shares , amount. Qualified Custodians [Member] Qualified custodians. Qualified Custodian [Member] Long-Term Debt Long-Term Debt, Total Convertible note, net Credit Facility [Axis] Crypto asset, number of units Crypto Asset, Number of Units Number of bitcoin held Total bitcoin treasury Crypto Asset, Number of Units, Total Stock, Class of Stock [Table] Net Income (Loss) per Share Attributable to Common Stockholders, Basic Net income (loss) per share attributable to common stockholders, basic. Basic Customer Advances or Deposits, Noncurrent [Abstract] Series A [Member] Series A [Member] Percentage On Debt Instrument Draw Of Incremental Amount Percentage on debt instrument draw of incremental amount. Drawn amount of common shares Restricted Stock [Member] Repayment of convertible note Repayments of Convertible Debt Repayment of convertible note Proceeds From Reverse Recapitalization Proceeds from reverse recapitalization. Proceeds from recapitalization Litigation Case [Axis] Weighted average per share fair value of options, vesting Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Digital Assets Intangible Asset [Text Block] Payments to Acquire Intangible Assets Purchases of digital assets Purchases of digital assets Issuance of Commitment Amount Issuance of commitment amount. Issuance of commitment shares Compensation And Benefits Compensation and benefits. Compensation and benefits Warrants and Rights Outstanding, Maturity Date Warrants expiration date Business Combination, Transaction Cost, Excluding Separately Recognized Transaction Transaction costs incurred Gain Loss On Digital Assets Investment Treasury Gain loss on digital assets investment treasury. Gain (loss) on digital assets - investment treasury Loss (gain) on digital assets - investment treasury Crypto Asset, Unrealized Gain (Loss), Operating Unrealized gain (loss) Crypto Asset, Unrealized Gain (Loss), Operating, Total Percentage of Converted into an Award of Restricted Stock Units Covering a Number of Shares of Common Stock Percentage of converted into an award of restricted stock units covering a number of shares of common stock. Conversion Percentage Statistical Measurement [Axis] Entity Interactive Data Current Additional principal amount Debt Instrument Additional Principal Amount Debt instrument additional principal amount. Gain (Loss) on Extinguishment of Debt Gain (Loss) on Extinguishment of Debt, Total Loss on extinguishment of debt Loss on extinguishment of debt Crypto Asset, Payment for Service Crypto Asset, Payment for Service Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Common stock, $0.0001 par value; 600,000,000 shares authorized, 54,873,627 shares issued and outstanding at September 30, 2026 and 48,477,883 shares issued and 48,419,266 shares outstanding at December 31, 2025 Common Stock, Value, Issued Common stock issued Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Summary of Calculation of Diluted Net Income (Loss) Per Share Total liabilities Liabilities Proceeds from issuance of note Proceeds from Notes Payable Proceeds from Notes Payable, Total Other non-cash adjustments Other non-cash adjustments Other Noncash Income (Expense) Other Noncash Income (Expense), Total Crypto Asset, Period Increase (Decrease) Remeasurement gain (loss) on bitcoin Fair value adjustments on the Company's digital assets Crypto Asset, Period Increase (Decrease), Total Fair value adjustments on the Company's digital assets Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Financial Assets and Liabilities that are Measured at Fair Value on a Recurring Basis Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Product and Service [Axis] Crypto Asset Number of Units Paid Crypto asset number of units paid Crypto asset number of units paid Accumulated deficit Retained Earnings (Accumulated Deficit) Retained Earnings (Accumulated Deficit), Total Accumulated deficit Convertible Preferred Stock [Member] Convertible Preferred Stock [Member] Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Contract Liability Related to Deferred Subscription Revenues Contract liability related to deferred subscription revenues. Contract liability related to deferred subscription revenues FTAC Emerald [Member] FTAC Emerald [Member] FTAC emerald. Increase (Decrease) in Accounts Payable Increase (Decrease) in Accounts Payable, Total Accounts payable Operating Expenses Total operating expenses Investment Treasury [Member] Investment treasury member. Investment Treasury [Member] Disaggregation of Revenue [Line Items] Increase (decrease) in cash resulting from changes in: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Per Share Weighted Average Price of Shares Purchased Purchase price per share Shares issued Stock Issued During Period, Shares, New Issues Issuance of common stock, shares Two Thousand Twenty Six Committed Equity Facility [Member] Two thousand twenty six committed equity facility. 2026 Committed Equity Facility Class of Warrant or Right, Outstanding Warrants outstanding Issuance of Placement Shares Issuance of placement shares Issuance of placement shares , amount. Amended Investor Note [Member] Amended investor note. Amended Investor Note [Member] Derivative Liability Derivative Liability, Total Derivative instruments within customer rewards liability Customer rewards liability Related Party Transactions [Abstract] Reverse Recapitalization Net of Expenses Shares Reverse recapitalization, net of expenses shares. Reverse recapitalization, net of expenses, shares Crypto Asset Number of Units Funded Crypto Asset Number of Units Funded Crypto asset number of units funded Subsequent Events [Text Block] Subsequent Events Long-Term Debt [Text Block] Summary of the convertible notes for the Respective Periods Other Income Other income Fair Value Hierarchy and NAV [Axis] Short-Term Debt, Type [Axis] Crypto Asset, Cost [Abstract] Sales returns and allowances Sales Returns and Allowances Sales returns and allowances. Interest Expense, Long-Term Debt, Increase (Decrease) Additionall interest expense payable Special interest expense Customer Rewards Liability Customer Loyalty Program Liability [Text Block] Customer loyalty program liability. Assets, Fair Value Disclosure [Abstract] Assets: Non Cash Allocation Of Convertible Note Proceeds To Embedded Derivative Non Cash Allocation Of Convertible Note Proceeds To Embedded Derivative Non-cash allocation of convertible note proceeds to embedded derivative Net Income (Loss) Available To Common Stockholders, Basic And Diluted [Abstract] Net income (loss) available to common stockholders, basic and diluted Net (loss) income per share attributable to common stockholders: Custody And Trading Costs Custody and trading costs. Custody and trading costs Payments of deferred IPO costs Payments of Stock Issuance Costs Payments of deferred IPO costs Option Indexed to Issuer's Equity, Type [Domain] Litigation Case [Domain] Increase in Number of Shares Initially Reserved for Issuance as Percentage of Outstanding Shares of Common Stock as of End of Fiscal Year Increase in number of shares initially reserved for issuance as percentage of outstanding shares of Ccmmon stock as of end of fiscal year. Percentage of outstanding shares of Ccmmon stock as of end of fiscal year Liabilities and Equity Total liabilities and stockholders' equity Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Operating loss Operating loss Net operating losses Operating loss Document Fiscal Period Focus Prepaid Expense and Other Assets, Current [Abstract] December 2024 Initial Investor Note and June 2025 Amended Investor Note December Two Thousand Twenty Four Initial Investor Note And June Two Thousand Twenty Five Amended Investor Note [Member] December two thousand twenty four initial investor note and june two thousand twenty five amended investor note. Line of Credit Facility, Current Borrowing Capacity Amount borrowed Credit facility Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Net increase (decrease) in cash and cash equivalents Entity Current Reporting Status Use of Estimates Use of Estimates, Policy [Policy Text Block] Convertible Notes Payable [Member] Convertible Note [Member] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Number of shares converted in to option Prepayment increments stated percentage Debt Instrument Prepayment Increments Without Penalty Stated Percentage Debt Instrument prepayment increments without penalty stated percentage. Fair Value, Inputs, Level 1 [Member] Level 1 [Member] Class of Stock [Domain] Other Accrued Liabilities Other Accrued Liabilities Accounts Payable, Current Accounts Payable, Current, Total Accounts payable Investment Type [Axis] Financial Instrument [Axis] Distributions of Digital Assets to Satisfy Other Current Obligations Distributions of digital assets to satisfy other current obligations. Distributions of digital assets to satisfy other current obligations Total assets Assets, Fair Value Disclosure Assets, Fair Value Disclosure, Total Debt Instrument Fair Value Adjustment Debt instrument fair value adjustment. Fair value adjustment Bitcoin Payment For Legal Settlement Bitcoin payment for legal settlement. Bitcoin payment for legal settlement Bitcoin payment for legal settlement Document Transition Report Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Additions Fair value, measurement with unobservable inputs reconciliation, recurring basis, liability, additions. Additions Commitments and Contingencies Disclosure [Abstract] Subsequent Event [Line Items] Increase (Decrease) in Inventories Increase (Decrease) in Inventories, Total Inventories Class of Warrant or Right [Axis] Noncash Distributions of Digital Assets to Fulfill Customer Reward Redemptions Noncash distributions of digital assets to fulfill customer reward redemptions. Distributions of digital assets to fulfill customer reward redemptions Liabilities, Current [Abstract] Current liabilities Debt Securities, Trading, and Equity Securities, FV-NI [Table] Share-Based Payment Arrangement [Abstract] Conversion of Stock, Shares Converted Number of shares converted in to notes Line of Credit Facility, Commitment Fee Amount Commitment fee Common Stock [Member] Common Stock [Member] Reverse Recapitalization Net Of Expenses Amount Reverse recapitalization, net of expenses. Reverse recapitalization, net of expenses, amount Debt Arrangements [Member] Debt arrangements. Debt Arrangements [Member] Proceeds from Lines of Credit Proceeds from Lines of Credit, Total Proceeds from credit facility Credit Facility [Domain] Statistical Measurement [Domain] Prepaid expenses Prepaid Expense, Current Prepaid Expense, Current, Total Pledged Status [Domain] Equity, Attributable to Parent [Abstract] Stockholders' equity Weighted Average Number of Shares Outstanding, Basic Weighted Average Number of Shares Outstanding, Basic, Total Basic Weighted-average shares used to compute net income (loss) per share, basic Share-Based Compensation Arrangement by Share-Based Payment Award, Terms of Award Terms of Award Assets [Abstract] Assets Entity Central Index Key Central Index Key Antidilutive Securities [Axis] Class of Stock [Line Items] PCT Litigation [Member] PCT litigation. PCT Litigation Current Fiscal Year End Date Class of Warrant or Right [Domain] Accrued expenses and other current liabilities Increase (Decrease) in Accrued Liabilities Increase (Decrease) in Accrued Liabilities, Total Document Quarterly Report Beginning balance Ending balance Contract with Customer, Refund Liability Contract with Customer, Refund Liability, Total Entity Address, Address Line Three Debt Instrument, Maturity Date Maturity date Net income (loss) attributable to common stockholders, diluted Net Income (Loss) Available to Common Stockholders, Diluted Net Income (Loss) Available to Common Stockholders, Diluted, Total Diluted Special interest due as a result of early repayment Early Repayment of Senior Debt Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease), Total Fair value adjustment - change in fair value Cost, Amortization Amortization expense Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Other Stock Awards [Member] Other stock awards. Other Stock Awards [Member] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Entity Incorporation, State or Country Code Earnings Per Share, Diluted Earnings Per Share, Diluted, Total Diluted Net income (loss) per share attributable to common stockholders, diluted Sale of common stock Sale of Stock, Number of Shares Issued in Transaction Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Net loss Net (loss) income Warrants and Rights Outstanding Warrants issued Option Indexed to Issuer's Equity, Type [Axis] Legal settlement paid in digital assets Legal Settlement Paid In Digital Assets Legal settlement paid in digital assets. Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Debt Instrument, Unamortized Premium Debt Instrument, Unamortized Premium, Total Add: Amended debt premium, net of amortization Amended debt premium Debt outstanding converted to common stock Debt Conversion, Converted Instrument, Shares Issued Bitcoin Repayment for Investor Note Bitcoin repayment for investor note. Bitcoin repayment for March 2025 Investor Note Measurement Frequency [Domain] Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Company's Customer Rewards Liability Equity Components [Axis] Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Cash flows from investing activities Crypto Asset, Cost Crypto Asset, Cost, Total Bitcoin investment treasury Aggregate cost of bitcoin Statement of Cash Flows [Abstract] Fair Value Hierarchy and NAV [Domain] Income Tax Disclosure [Abstract] Stockholders' Equity, Reverse Stock Split Reverse stock split Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets Prepaid expenses and other current assets Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Bitcoin Bitcoin [Member] Bitcoin [Member] Bitcoin. Accrued expenses and other current liabilities Accrued Expenses And Other Liabilities Current Accrued expenses and other liabilities current. Fair Value Disclosures [Text Block] Fair Value Measurements Rewards Treasury [Member] Rewards Treasury [Member] Rewards treasury member. Debt Instrument, Excess of Fair Value Over Net Proceeds Received Debt instrument, excess of fair value over net proceeds received. Excess of fair value over net proceeds received Preferred stock , shares authorized Preferred Stock, Shares Authorized Settlement - delivery of 500 bitcoin Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Warrants, each whole warrant exercisable for one share of common stock at an exercise price of $11.50 per share Warrants Each Whole Warrant Exercisable for One Share of Common Stock at an Exercise Price of 1150 Per Share [Member] Warrants, each whole warrant exercisable for one share of common stock at an exercise price of $11.50 per share. Debt Instrument Minimum Draw Amount Debt instrument minimum draw amount. Minimum draw amount Class of Stock [Axis] Total anti-dilutive securities Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Number of Operating Segments Number of operating segments PIK Shares Debt Instrument Paid In Kind Shares Debt instrument paid In kind shares. Deferred revenue Increase (Decrease) in Deferred Revenue Stock Issued During Period Shares And Warrants Stock issued during period shares and warrants. Issuance of March 2025 closing shares and warrants, shares Inventory, Net Inventory, Net, Total Inventories Segment Information Segment Reporting, Policy [Policy Text Block] Schedule of Common Stock Outstanding Roll Forward [Table Text Block] Schedule of Number of Shares of Common Stock of Issued Immediately Following the Consummation of the Merger Rewards fulfilments. Reward fulfilments Rewards Fulfilments Interest receivable Interest Receivable Net Income (Loss) per Share Attributable to Common Stockholders [Abstract] Net income (loss) per share attributable to common stockholders. Net (loss) income attributable to common stockholders: Debt Instrument, Convertible, Conversion Price Conversion price Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Long-Term Debt, Current Maturities Long-Term Debt, Current Maturities, Total Less: Current portion of long-term debt March Two Thousand Twenty Five Investor Note [Member] March two thousand twenty five investor note. March 2025 Investor Note [Member] Short-Term Debt [Line Items] Pledged as collateral Short-Term Debt [Table] Percentage of Estimated Forfeiture Rate Percentage of estimated forfeiture rate. Percentage of estimated forfeiture rate Intangible Asset, Goodwill and Other [Abstract] Exercise Of Series B Warrants, Shares Exercise of series B warrants, shares. Exercise of Series B warrants Exercise of Series B warrants, shares Document Type Convertible Debt [Member] Convertible Notes [Member] Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Liabilities and Equity [Abstract] Liabilities and stockholders' equity Subsequent Event [Member] Subsequent Event [Member] Intangible Asset, Indefinite-Lived [Table] Remeasurement Gain (Loss) On Bitcoin Remeasurement gain (loss) on bitcoin. Remeasurement gain (loss) on bitcoin Restricted Stock Awards [Member] Restricted stock awards. RSA [Member] Fair Value of Initial Commitment Shares Fair value of initial commitment shares. Fair value of initial commitment shares Asset Class [Domain] Entity File Number Revenue Revenue from Contract with Customer [Text Block] Number of Bitcoin Repaid Number of bitcoin repaid. Number of bitcoin repaid Banking and Payment Revenues [Member] Banking and payment revenues. Banking and payments revenues [Member] Retained Earnings [Member] Accumulated Deficit [Member] SAFEs Investment in Debt and Equity Securities and Other Trading Assets [Text Block] Debt Instrument, Term Equity line of credit facility, term Crypto Asset Number of Units Delivered Crypto asset, number of units delivered Delivery of bitcoin Entity Registrant Name Registrant Name Shares, Issued Shares, issued Warrant, Exercise Price, Decrease Share-Based payment award, description modified Share-Based Compensation Arrangement by Share-Based Payment Award, Plan Modification, Description and Terms Entity Address, Address Line One Aggregate principal amount Debt Instrument, Annual Principal Payment Other Receivables Other receivables Subsidiary, Sale of Stock [Line Items] Assets, Current Total current assets Common Stock, Voting Rights Common Stock, Voting Rights Fair Value, Recurring and Nonrecurring [Table] Entity Listings [Line Items] Indebtedness amount Line of Credit Facility Indebtedness Amount Line of credit facility indebtedness amount. Proceeds From Sales Of Digital Assets Proceeds from sales of digital assets. Proceeds from sales of digital assets Loss Contingencies [Line Items] Increase decrease customer reward liability. Increase Decrease Customer Reward Liability Customer rewards liability Related Parties Related Party Transactions Disclosure [Text Block] Crypto Asset [Axis] Entity Small Business Crypto Asset, Realized Gain, Operating Remeasured fair value, recognized as gain Remeasured fair value, recognized as gain Auction Market Preferred Securities, Stock Series [Axis] Proceeds from Disposal, Crypto Asset Proceeds from sale of bitcoin Proceeds from the sale Sale of bitcoin Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Accounts Receivable, after Allowance for Credit Loss, Current, Total Total Shares of Common Stock outstanding Adjusted Common Stock Shares Outstanding Adjusted common stock shares outstanding. February Two Thousand Twenty Six Investor Note - Embedded Derivative [Member] February Two Thousand Twenty Six Investor Note - Embedded Derivative. February 2026 Investor Note - embedded derivative [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Earnings Per Share [Abstract] Net loss per share attributable to common stockholders: Marketing Expense Marketing expenses Marketing expenses Plan Name [Axis] Loss Contingency Accrual Loss Contingency Accrual, Ending Balance Loss Contingency Accrual, Beginning Balance Contingent liability Subsequent Event Type [Axis] Crypto Asset, Realized Loss, Operating Remeasured fair value, recognized as loss Crypto Asset, Fair Value Fair value adjustments on the Company's digital assets Fair value of customer digital assets Total bitcoin treasury Bitcoin held, beginning balance Bitcoin held, ending balance Crypto Asset, Fair Value, Total Tom Dickman [Member] Tom Dickman. Tom Dickman Remeasurement (gain) loss on customer rewards liability Remeasurement Gain Loss on Customer Rewards Liability Remeasurement gain loss on customer rewards liability. Remeasurement (gain) loss on customer rewards liability Product and Service [Domain] Equity [Text Block] Stockholders' Equity Auction Market Preferred Securities, Stock Series, Title [Domain] Measurement Frequency [Axis] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Cash flows from financing activities Amortization of Debt Discount (Premium) Amortization of debt discount and premium Outstanding principal repaid Debt Instrument, Repaid, Principal Digital assets - investment treasury Digital Assets Noncurrent Digital assets noncurrent. Entity Tax Identification Number Digital assets current. Digital assets - rewards treasury Digital Assets Current Exercise of Series B Warrants Exercise of series B warrants. Exercise of Series B warrants Equity Component [Domain] Entity Address, City or Town Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Common stock withheld for employee tax obligations , shares Issuance of Interest Shares , Shares Issuance of interest shares , shares. Issuance of interest shares , shares Issuance of Interest Shares Revenue Rewards Revenue rewards Revenue rewards Increase (Decrease) in Contract with Customer, Liability Increases due to cash received net of amounts recognized in revenue during the period Business Combination [Axis] Less: Redemption of FTAC Emerald shares Stock Redeemed or Called During Period, Shares Retroactive application of recapitalization, shares Less: Redemption of FTAC Emerald shares Noncash Distributions of Digital Assets for Prepaid Interest Related Party Noncash distributions of digital assets for prepaid interest related party. Distributions of digital assets for prepaid interest - related party Newly issues share value of stock Stock Issued During Period, Value, New Issues Issuance of common stock Prepaid Expenses and Other Current Assets [Text Block] The entire disclosure for prepaid expenses and other current assets. Prepaid Expenses and Other Current Assets Entity Common Stock, Shares Outstanding Unrecognized compensation expense recognized on a straight-line basis Unrecognized compensation Expense Rcognized on a Straight Line Basis Over the Weighted Average Vesting Period Unrecognized compensation expense recognized on a straight-line basis over the weighted average vesting period. Put Option [Member] Put Option [Member] Increase (Decrease) in Other Noncurrent Liabilities Other non-current liabilities Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Weighted-average shares used to compute net (loss) income per share: Antidilutive Security, Excluded EPS Calculation [Table] February Two Thousand Twenty Six Note Related Party [Member] February two thousand twenty six note related party. February 2026 Note - Related Party [Member] Contract with Customer, Liability, Current Beginning of the period contract liability End of period contract liability Asset Pledged as Collateral [Member] Fold's Assets as Collateral [Member] Pledged as collateral [Member] Statement [Table] Weighted average price of bitcoin price thresholds Weighted Average Price of Bitcoin Price Thresholds Weighted average price of bitcoin price thresholds. Deferred Revenue, Current Deferred Revenue, Current, Total Deferred revenue Shareholders percentage Shareholder Percentage Shareholder percentage. Common Stock Par Value 00001 Per Share [Member] Common stock, par value $0.0001 per share. Common stock, par value $0.0001 per share Compensation expense Share-Based Payment Arrangement, Expense Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Losses before income taxes Net income (losses) before income taxes Net (loss) income before income taxes Receivable from Customer in Brokerage Credit card receivable, net Entity Shell Company Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Net cash provided by (used in) investing activities Statement [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Vested Vested Maximum [Member] Maximum [Member] Issuance of Placement Shares , Shares Issuance of placement shares , shares. Issuance of placement shares , shares Issuance of Placement Shares Issuance of Common Stock for Intellectual Property Acquisition Issuance of common stock for intellectual property acquisition. Issuance of common stock for intellectual property acquisition Debt Disclosure [Abstract] Bitcoin Received From Investor Note Bitcoin received from investor note. Bitcoin received from March 2025 Investor Note Share based compensation expense Stock Issued During Period, Value, Employee Stock Ownership Plan Conversion amount Fair value of SAFEs, amount Debt Conversion, Converted Instrument, Amount Business Combination [Domain] Customer Rewards Liability [Member] Customer rewards liability. Customer Rewards Liability [Member] Increasing in liabilities fair value Servicing Liability at Fair Value, Period Increase (Decrease) Servicing Liability at Fair Value, Period Increase (Decrease), Total (Gain) loss on customer rewards liability Gain Loss On Customer Rewards Liability Gain loss on customer rewards liability. (Gain) loss on customer rewards liability (Gain) loss on customer rewards liability Payment of deferred offering costs Payment of Deferred Offering Costs Payment of deferred offering costs. Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Income tax benefit from federal tax rate Income tax expense at the federal statutory rate, Percent Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Common stock withheld for employee tax obligations Subsequent Events [Abstract] Summary of activity deferred revenue Deferred Income [Table Text Block] Asset Class [Axis] Investments, Debt and Equity Securities [Abstract] March Two Thousand and Twenty Five Investor Note [Member] March two thousand and twenty five investor note. March Two Thousand and Twenty Five Investor Note [Member] March 2025 Investor Note [Member] Payment, Tax Withholding, Share-Based Payment Arrangement Common stock withheld for employee tax obligations Amortization of debt issuance costs Amortization of Debt Issuance Costs Non-cash amortization of deferred issuance costs Change in fair value of convertible note. Change In Fair Value of Convertible Note Change in fair value of convertible note Change in fair value of convertible note Prepaid interest Prepaid Interest Assets, Current [Abstract] Current assets Less: Debt issuance costs, net of amortization Debt Issuance Costs, Net Debt Issuance Costs, Net, Total Liabilities, Fair Value Disclosure Liabilities, Fair Value Disclosure, Total Increase in fair value of liability Related Party Transaction [Domain] Non Cash Amortization of Deferred Issuance Costs Non-cash amortization of deferred issuance costs. Non-cash amortization of deferred issuance costs Remaining of special interest Remaining of Special Interest Remaining of special interest. RSU awards vested Stock Issued During Period, Value, Restricted Stock Award, Gross February 2026 Investor Note [Member] February Two Thousand Twenty Six Investor Note [Member] February Two Thousand Twenty Six Investor Note. Document Fiscal Year Focus Forfeiture Rates on Trailing Duration Forfeiture rates on trailing duration. Forfeiture rates on trailing duration Common Stock, Shares, Outstanding FTAC Emerald total shares outstanding prior to the Merger Common stock, shares outstanding Beginning balance common stock , shares Ending balance common stock, shares Common stock, shares outstanding Settlement Agreement [Member] Settlement agreement. Settlement Agreement [Member] Financial Instruments [Domain] Fold Credit Card Program Credit Card Origination Costs, Policy [Policy Text Block] Business Combination [Line Items] Recapitalization [Text Block] Recapitalization. Recapitalization Crypto Asset, Activity [Table Text Block] Schedule of Reconciliation in the Aggregate Balances of the Company's Digital Assets Entity Ex Transition Period 2025 ESPP [Member] Two Thousand Twenty Five Employee Stock Purchase Plan [Member] Two thousand twenty five employee stock purchase plan 2025 Employee Stock Purchase Plan [Member] Contract with Customer, Liability, Revenue Recognized Revenue recognized from the contract liabilities included in the beginning balance Share Repurchase Program [Table] 2019 Equity Plan [Member] Two Thousand Nineteen Equity Plan [Member] Two thousand nineteen equity plan Security Exchange Name Related and Nonrelated Parties [Axis] Recently Issued Accounting Pronouncements and Recently Adopted Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Warrant [Member] Investor Warrants [Member] Noncash Proceeds From Convertible Debt Received in Digital Assets Related Party Noncash proceeds from convertible debt received in digital assets related party. Proceeds from convertible debt received in digital assets - related party Investor Note Category Three [Member] Investor note category three. Investor Note Category Three [Member] Class of Warrant or Right, Exercise Price of Warrants or Rights Exercise price Warrants exercisable price per share Warrants exercisable price Entity Address, State or Province Amendment Flag Loss Contingencies [Table] Crypto Asset [Domain] Debt Instrument, Fee and Cost Expenses Debt instrument, fee and cost expenses. Fee and cost expenses Share-Based Payment Arrangement [Text Block] Share-Based Compensation Expense Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Diluted net income (loss) per share: Securities Purchase Agreement [Member] Securities purchase agreement. Securities Purchase Agreement [Member] Interest Expense, Debt Interest Expense, Debt, Total Interest expense on credit facility Debt Instrument [Axis] Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Total Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash and cash equivalents City Area Code Stock Issued During Period, Value, Employee Stock Purchase Plan Issuance of employee stock purchase plan shares Interest Expense, Nonoperating Interest Expense, Nonoperating, Total Interest expense Interest expense Series C [Member] Series c. Series C [Member] Entity Listings [Table] Preferred Stock [Member] Preferred Stock [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization and Business Operations [Abstract] Contract Liability Related to Unearned Portion of Bonus Contract liability related to unearned portion of bonus. Contract liability related to unearned portion of bonus Proceeds from Issuance of Common Stock Gross proceeds from sale of common stock Proceeds from issuance of common stock Operating Expenses [Abstract] Operating expenses Debt Instrument, Quarterly Payment of Common Stock Par Value Debt instrument, quarterly payment of common stock par value. Quarterly payment of common stock par value Crypto Asset, Addition Purchases of bitcoin Master Loan Agreement [Member] Master loan agreement. Master Loan Agreement [Member] Common Stock, Par or Stated Value Per Share Warrants exercisable price Common stock, par value Common stock, par value SAFEs outstanding Simple Agreements for Future Equity Outstanding Simple agreements for future equity outstanding. Issuance of Common Stock for Intellectual Property Acquisition Shares Issuance of common stock for intellectual property acquisition shares. Issuance of common stock for intellectual property acquisition, shares (Gain) loss on digital assets - rewards treasury Gain Loss On Digital Assets Rewards Treasury Gain loss on digital assets rewards treasury. (Gain) loss on digital assets - rewards treasury Loss (gain) on digital assets - rewards treasury Intangible Asset, Indefinite-Lived [Line Items] Indefinite-Lived Intangible Assets [Line Items] Offering period Initial Offering Period Initial offering period Fold Holdings, Inc [Member] Fold holdings, inc. Fold Holdings Inc [Member] Short-Term Debt, Type [Domain] Liabilities, Current Total current liabilities Disbursements of bitcoin Crypto Asset, Disposition Disbursements of bitcoin Settlement Liabilities, Current Accrued legal settlement Convertible Notes Payable Related Party, Noncurrent Convertible notes payable related party, noncurrent. March 2025 convertible note - related party Defined Contribution Plan, Cost Expense related to 401(k) plan Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Convertible Notes Payable, Current February 2026 note - related party, net Incremental Costs Incremental costs Incremental costs. Trading Symbol Issuance of additional shares Common Stock, Shares Subscribed but Unissued Amortization of Debt Issuance Costs and Discounts Amortization of the debt discount and debt issuance costs Amortization of the debt discount and debt issuance costs Amortization of debt issuance costs Fair Value Measurement, Policy [Policy Text Block] Fair Value Measurement June Two Thousand Twenty Fiver Amended Investor Note [Member] June two thousand twenty fiver amended initial investor note. June 2025 Amended Investor Note [Member] Revenue from Contract with Customer, Including Assessed Tax Revenues, net Revenue from Contract with Customer, Including Assessed Tax, Total Revenue Subsequent Event [Table] Accrued interest rate Increse in the fair value Interest Rate Additional RSAs granted in period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Granted Entity Emerging Growth Company Payments to Develop Software Payments for capitalized software development costs Payments for capitalized software development costs Additional Paid-In Capital [Member] Additional Paid-in Capital [Member] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Schedule of Prepaid Expenses and Other Current Assets Non Cash Repayment Of Convertible Note Via Transfer Of Digital Assets Related Party Non Cash Repayment Of Convertible Note Via Transfer Of Digital Assets Related Party Non-cash repayment of convertible note via transfer of digital assets - related party Unrecorded Liability Unrecorded liability. Unrecorded liability Carrying value Long-Term Debt, Gross Convertible debt, gross Crypto Asset, Holding [Table Text Block] Summary of Company's Bitcoin Held in Treasury Plan Name [Domain] Other Liabilities, Noncurrent Other non-current liabilities Common Class A [Member] Series A [Member] Class A [Member] Stock Issued During Period, Shares, Employee Stock Purchase Plans Issuance of employee stock purchase plan shares, shares Business Combination [Table] June Two Thousand Twenty Five Amended Investor Note [Member] June two thousand twenty five amended investor note. June 2025 Amended Investor Note [Member] Share-Based Payment Arrangement, Activity [Table Text Block] Summary of RSU and RSA Share Activity Under the Equity Plans Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Non-cash investing and financing activities Cover [Abstract] Business Combination, Consideration Transferred, Equity Interest, Share Issued, Value Number of common shares issued and outstanding equity interests Notional amount of customer rewards liability outstanding Notional Amount of Customer Rewards Liability Outstanding Notional amount of customer rewards liability outstanding. Non-cash payment for intellectual property acquisition with common stock Non-Cash Payment for Intellectual Property Acquisition with Common Stock Non-cash payment for intellectual property acquisition with common stock. Revenue from Contract with Customer [Abstract] Convertible Notes Payable, Noncurrent June 2025 convertible note, net Professional Fees Professional fees Debt and Equity Securities, FV-NI [Line Items] Share-Based Payment Arrangement, Noncash Expense Share-Based Payment Arrangement, Noncash Expense, Total Share-based compensation expense Summary of Changes in Fair Value Associated With Level 3 Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Additional Paid in Capital Additional Paid in Capital, Total Additional paid-in-capital Adjustments to reconcile net loss to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Fair Value Disclosures [Abstract] Cash and Cash Equivalent Cash and Cash Equivalents, at Carrying Value, Total Cash and cash equivalents Payments of Debt Issuance Costs Payment of debt issuance costs Crypto Asset, Activity [Line Items] Employee Stock Purchase Plan [Member] Employee Stock [Member] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash (used in) provided by financing activities Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Beginning Balance Ending Balance Net Income (Loss) Available to Common Stockholders, Basic Net Income (Loss) Available to Common Stockholders, Basic, Total Basic Net income (loss) attributable to common stockholders, basic Two Prime Credit Facility [Member] Two prime credit facility. Two Prime Credit Facility [Member] Recapitalization Noncash Recapitalization Noncash recapitalization. Entity Filer Category Debt Instrument, Name [Domain] Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Increase (Decrease) in Accounts Receivable Accounts receivable, net Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Net loss per share attributable to common stockholders: Basic net income (loss) per share: Loss Contingency, Management's Assessment and Process Loss Contingency, Management's Assessment and Process Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Purchased for Award Common stock purchased by eligible employees Entity Address, Postal Zip Code Statement of Financial Position [Abstract] Local Phone Number