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Fair Value of Investments in Digital Assets - Summary of Fair Value of Each Fund Component (Details) - $ / shares	Oct. 31, 2025	Sep. 30, 2025	Jun. 30, 2025
Bitcoin
Summary Of Investment Holdings [Line Items]
Fair value of investments per share	$ 109,777	$ 114,401.99	$ 107,753.95
Ether
Summary Of Investment Holdings [Line Items]
Fair value of investments per share	3,884.4	4,161.61	2,516.23
XRP
Summary Of Investment Holdings [Line Items]
Fair value of investments per share	2.54	2.86	2.32
SOL
Summary Of Investment Holdings [Line Items]
Fair value of investments per share	188.31	208.92	157.8
ADA
Summary Of Investment Holdings [Line Items]
Fair value of investments per share	$ 0.61	$ 0.8	$ 0.59

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