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Creations and Redemptions of Shares - Additional Information (Details) - TokenPerShare	Sep. 30, 2025	Jun. 30, 2025
Bitcoin
Creations And Redemptions Of Shares [Line Items]
Fund portfolio share represented	0.0004	0.0004
Ether
Creations And Redemptions Of Shares [Line Items]
Fund portfolio share represented	0.0022	0.0022
SOL
Creations And Redemptions Of Shares [Line Items]
Fund portfolio share represented	0.0097	0.0094
ADA
Creations And Redemptions Of Shares [Line Items]
Fund portfolio share represented	0.6545	0.658
XRP
Creations And Redemptions Of Shares [Line Items]
Fund portfolio share represented	1.0701	1.0632

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