STATEMENTS OF CHANGES IN NET ASSETS (UNAUDITED) - USD ($)			3 Months Ended		6 Months Ended		12 Months Ended
	Oct. 01, 2021	Jul. 01, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Jun. 30, 2022
(Decrease) increase in net assets from operations:
Net investment loss			$ (1,108,000)	$ (3,761,000)	$ (2,429,000)	$ (6,594,000)
Net realized gain (loss) on investments in digital assets	$ 14,980,028	$ 11,651,902	1,397,000	17,866,000	(13,024,000)	31,570,000
Net change in unrealized (depreciation) appreciation on investments in digital assets			(30,709,000)	15,486,000	356,000	103,728,000
Net (decrease) increase in net assets resulting from operations			(30,420,000)	29,591,000	(15,097,000)	128,704,000
Increase in net assets from capital share transactions:
Shares issued			0	0	0	935,000
Net increase in net assets resulting from capital share transactions			0	0	0	935,000
Total (decrease) increase in net assets from operations and capital share transactions			(30,420,000)	29,591,000	(15,097,000)	129,639,000
Net assets:
Beginning of period	$ 467,356,000	$ 367,308,000	189,175,000	467,356,000	173,852,000	367,308,000	$ 367,308,000
End of period			$ 158,755,000	$ 496,947,000	$ 158,755,000	$ 496,947,000	$ 173,852,000
Change in Shares outstanding:
Shares outstanding at beginning of period	15,867,400	15,837,800	15,867,400	15,867,400	15,867,400	15,837,800	15,837,800
Shares issued			0	0	0	29,600
Net increase in Shares			0	0	0	29,600
Shares outstanding at end of period			15,867,400	15,867,400	15,867,400	15,867,400	15,867,400