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Fair Value Measurements - Summary of Significant Inputs which the Fair Value Measurements Associated with Convertible Note (Details) - Convertible Notes [Member]	Sep. 30, 2025	Dec. 31, 2024
Risk-free rate (continuously compounded) [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	3.64	0
Fold volatility (annual) [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	99.71	0
Bitcoin volatility (annual) [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	56.87	0
Note term [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	4.43	0
Fold stock price [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	3.86	0
Bitoin price [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	114,056.09	0
Correlation (Fold and Bitcoin) [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	0.4062	0
Conversion price [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	12.5	0
Dividend yield (annual) [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	0	0

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Value of input used to measure derivative liability.

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