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Concentration of Risk - Additional Information (Details) - Coinbase Custody Trust Company, LLC | 3 Months Ended
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Mar. 31, 2025 USD ($) $ / shares
Concentration Risk [Line Items] |
Fair value of bitcoins acquired | $ | $ 173,794,481
Ether index price per share | $ / shares | $ 1,827.33
Investment, Type [Extensible Enumeration] | Lukka Prime Rate [Member]

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