v3.25.4
Schedules of Investments
 12 Months Ended
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Schedule of Investments [Line Items]    
Cost $ 235,588 $ 303,297
Fair Value $ 1,029,868,000 $ 1,368,514,000
Percentage of Net Assets 100.00% 100.20%
Other liabilities in excess of assets $ 1,000 $ (2,774,000)
Percentage of other assets (liabilities) in excess of liabilities (assets) 0.00% (0.20%)
Net Assets $ 1,029,869,000 $ 1,365,740,000
Percentage of Net Assets 100.00% 100.00%
Bitcoin [Member]    
Schedule of Investments [Line Items]    
Units 8,836.1188 10,632.1413
Cost $ 133,153,000 $ 178,640,000
Fair Value $ 773,549,000 $ 992,968,000
Percentage of Net Assets 75.11% 72.70%
Ethereum [Member]    
Schedule of Investments [Line Items]    
Units 53,393.7681 65,011.3388
Cost $ 26,400,000 $ 37,508,000
Fair Value $ 158,683,000 $ 217,164,000
Percentage of Net Assets 15.41% 15.90%
XRP [Member]    
Schedule of Investments [Line Items]    
Units 26,808,148.38 30,686,126.7901
Cost $ 18,989,000 $ 22,018,000
Fair Value $ 48,981,000 $ 64,340,000
Percentage of Net Assets 4.76% 4.71%
Solana [Member]    
Schedule of Investments [Line Items]    
Units 248,993.3542 256,477.2246
Cost $ 9,525,000 $ 10,881,000
Fair Value $ 30,865,000 $ 49,677,000
Percentage of Net Assets 3.00% 3.64%
Cardano [Member]    
Schedule of Investments [Line Items]    
Units 16,225,913.9193 19,192,702.8414
Cost $ 19,444,000 $ 23,730,000
Fair Value $ 5,402,000 $ 16,262,000
Percentage of Net Assets 0.52% 1.19%
Chainlink [Member]    
Schedule of Investments [Line Items]    
Units 313,437.5474 342,097.278
Cost $ 2,539,000 $ 2,985,000
Fair Value $ 3,837,000 $ 6,828,000
Percentage of Net Assets 0.37% 0.50%
Litecoin [Member]    
Schedule of Investments [Line Items]    
Units 33,920.6399  
Cost $ 4,348,000  
Fair Value $ 2,598,000  
Percentage of Net Assets 0.25%  
Avalanche [Member]    
Schedule of Investments [Line Items]    
Units 190,139.0261 220,206.973
Cost $ 4,064,000 $ 5,048,000
Fair Value $ 2,345,000 $ 7,886,000
Percentage of Net Assets 0.23% 0.58%
Sui [Member]    
Schedule of Investments [Line Items]    
Units 1,653,967.259  
Cost $ 6,345,000  
Fair Value $ 2,308,000  
Percentage of Net Assets 0.22%  
Polkadot [Member]    
Schedule of Investments [Line Items]    
Units 729,577.6306 816,152.3229
Cost $ 10,781,000 $ 13,282,000
Fair Value $ 1,300,000 $ 5,434,000
Percentage of Net Assets 0.13% 0.40%
Bitcoin Cash [Member]    
Schedule of Investments [Line Items]    
Units   10,611.6785
Cost   $ 4,453,000
Fair Value   $ 4,625,000
Percentage of Net Assets   0.34%
NEAR Protocol [Member]    
Schedule of Investments [Line Items]    
Units   680,674.8151
Cost   $ 4,751,000
Fair Value   $ 3,330,000
Percentage of Net Assets   0.24%