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Schedule of information about Trust's assets and liabilities measured at fair value (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Investments	$ 429,823,599	$ 505,489,906
Bitcoin [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Bitcoin	429,823,599	505,489,906	$ 480,384,508	$ 826,306,338
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Investments	429,823,599	505,489,906
Fair Value, Inputs, Level 1 [Member] | Bitcoin [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Bitcoin	429,823,599	505,489,906
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Investments
Fair Value, Inputs, Level 2 [Member] | Bitcoin [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Bitcoin
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Investments
Fair Value, Inputs, Level 3 [Member] | Bitcoin [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Bitcoin

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Fair value of crypto asset. Excludes crypto asset held for platform user.

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Fair value of investment in security owned.

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