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Statements of Operations - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Expenses    
   Sponsor fee (Note 4) $ 1,618,079 $ 1,263,370
   Less: Sponsor fee waiver (150,399)
      Total expenses 1,618,079 1,112,971
Net investment income (loss) (1,618,079) (1,112,971)
    Net realized gain (loss) from:    
        Bitcoin transferred to pay Sponsor fee 578,665 418,343
        Bitcoin sold for the redemption of Shares 136,221,558 44,803,852
   Net realized gain (loss) 136,800,223 45,222,195
   Net change in unrealized gain (loss) on investment (184,888,192) 262,849,955
Net realized and change in unrealized gain (loss) on investment (48,087,969) 308,072,150
Net income (loss) $ (49,706,048) $ 306,959,179
Net income (loss) per share $ (2.20) $ 11.59
Weighted average number of shares outstanding 22,613,466 26,491,896