Significant Accounting Policies - Changes in Quantity of ETH and Fair Value (Details) |
7 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
|
Dec. 31, 2024
USD ($)
Ethereum
|
Dec. 31, 2025
USD ($)
Ethereum
|
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| Significant Accounting Policies [Abstract] | |||||
| Beginning balance (in Ethereum) | Ethereum | [1] | 0 | 43,935.83 | ||
| Beginning balance, Fair Value | [1] | $ 0 | $ 146,428,902 | ||
| ETH purchased (in Ethereum) | Ethereum | 49,793.94 | [1] | 47,219.32 | ||
| ETH purchased, Fair Value | $ 154,052,853 | [1] | $ 172,013,256 | ||
| ETH sold (in Ethereum) | Ethereum | (5,858.11) | [1] | (38,106.28) | ||
| ETH sold, Fair Value | $ (16,251,349) | [1] | $ (127,280,000) | ||
| Net change in unrealized appreciation (depreciation) from investment in ETH, Fair Value | 10,194,816 | [1] | (34,062,356) | ||
| Net realized gain on investment in ETH, Fair Value | $ (1,567,418) | [1] | $ 508,652 | ||
| Ending balance (in Ethereum) | Ethereum | 43,935.83 | [1] | 53,048.87 | ||
| Ending balance, Fair Value | $ 146,428,902 | [1] | $ 157,608,454 | ||
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