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Statements of Assets and Liabilities (Parentheticals) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Statement of Financial Position [Abstract]
Investment in Bitcoin, at cost	$ 1,410,812,950	$ 895,843,577
Share par value	$ 0	$ 0
Shares authorized	Unlimited	Unlimited

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Face amount per share of no-par value common stock.

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Cost of the investment.

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