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Investments in Ether - Summary of Transactions and Earnings from Investments in Ether (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2025
Schedule of Investments [Line Items]    
Opening Balance $ 13,737,936 $ 23,569,250
Purchases at Cost 3,368,191 6,425,219
Proceeds from Sales to Pay Sponsor Fee (10,246) (25,314)
Proceeds from ether sold for Redemptions (0) (1,450,911)
Change in Unrealized Appreciation (Depreciation) 5,563,533 (5,001,925)
Net Realized (Gain) Loss from Investments in Ether Sold to pay Sponsor Fee (4,952) (7,802)
Net Realized (Gain) Loss on Investments in Ether Sold for Redemptions 0 (854,055)
Ending Balance $ 22,654,462 $ 22,654,462