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Statement of Operations (Unaudited) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Expenses        
Sponsor fee, related party $ 978,658 $ 336,577 $ 2,365,087 $ 771,756
Total expenses 978,658 336,577 2,365,087 771,756
Sponsor fee waiver, related party (978,658) (336,577) (2,365,087) (708,185)
Net expenses 63,571
Net investment loss (63,571)
Net realized gain and net change in unrealized appreciation (depreciation)        
Bitcoin sold for redemption of shares 19,703,050 4,496,902 53,249,774 13,521,354
Bitcoin distributed for Sponsor fee, related party 10,977
Net realized gain on investment in bitcoin 19,703,050 4,496,902 53,249,774 13,532,331
Net change in unrealized appreciation (depreciation) from investment in bitcoin 84,089,218 11,414,566 243,902,664 24,957,145
Net realized gain and net change in unrealized appreciation (depreciation) 103,792,268 15,911,468 297,152,438 38,489,476
Net increase in net assets resulting from operations $ 103,792,268 $ 15,911,468 $ 297,152,438 $ 38,425,905