Fair Value Measurements - Summary of Significant Inputs which the Fair Value Measurements Associated with Convertible Note (Details) - Convertible Notes [Member]	Mar. 31, 2026	Dec. 31, 2025
Risk-free rate (continuously compounded) [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	0	3.6
Fold volatility (annual) [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	0	99.16
Bitcoin volatility (annual) [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	0	52.03
Note term [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	0	4.18
Fold stock price [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	0	2.61
Bitoin price [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	0	87,508.83
Correlation (Fold and Bitcoin) [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	0	0.4289
Conversion price [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	0	12.5
Dividend yield (annual) [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible note measurement input method	0	0