v3.26.1
Fair Value Measurement - Summary of Assets Measured At Fair Value (Details) - USD ($)
Mar. 31, 2026
Dec. 31, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments $ 1,212,386 $ 2,210,226
Investment in ether [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments 1,212,386 2,210,226
Fair Value, Inputs, Level 1 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments 1,212,386 2,210,226
Fair Value, Inputs, Level 1 [Member] | Investment in ether [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments 1,212,386 2,210,226
Fair Value, Inputs, Level 2 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments 0 0
Fair Value, Inputs, Level 2 [Member] | Investment in ether [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments 0 0
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments 0 0
Fair Value, Inputs, Level 3 [Member] | Investment in ether [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Investments $ 0 $ 0