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Statements of Financial Condition (Parenthetical) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2026	Dec. 31, 2025
Schedule of Investments [Abstract]
Investment in bitcoin, cost	$ 472,579,121	$ 427,528,143
Par value	$ 0	$ 0
Shares authorized	Unlimited	Unlimited

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Indicates whether number of common shares permitted to be issued is unlimited. Acceptable value is "Unlimited".

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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X

- Definition

Cost of the investment.

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