v3.25.1
Significant Accounting Policies - Schedule of Changes in Quantity of Ether (Details)
 3 Months Ended 7 Months Ended
Mar. 31, 2025
USD ($)
Ether
shares
Dec. 31, 2024
USD ($)
Ether
shares
Quantity of Ether [Member]    
Significant Accounting Policies - Schedule of Changes in Quantity of Ether (Details) [Line Items]    
Balance, Shares, beginning of period [1] 43,935.83
Balance, Shares, end of period 46,132.62 43,935.83 [1]
ETH contributed, Shares (in Ether) | Ether 3,295.19 49,793.94 [1]
ETH withdrawn, Shares (in Ether) | Ether (1,098.4) (5,858.11) [1]
Net change in unrealized appreciation (depreciation) from investment in ETH, Shares (in Shares) | shares [1]
Net realized loss on investment in ETH, Shares (in Shares) | shares [1]
Fair Value [Member]    
Significant Accounting Policies - Schedule of Changes in Quantity of Ether (Details) [Line Items]    
Balance, beginning of period [1] $ 146,428,902
Balance, end of period 84,668,819 146,428,902 [1]
ETH contributed 9,957,156 154,052,853 [1]
ETH withdrawn (2,207,029) (16,251,349) [1]
Net change in unrealized appreciation (depreciation) from investment in ETH (68,317,443) 10,194,816 [1]
Net realized loss on investment in ETH $ (1,192,767) $ (1,567,418) [1]
[1] Commencement of Operations, the Trust did not hold any ETH as of May 20, 2024.