Quarterly Statements of Operations - Schedule of Quarterly Statements of Operations (Details) - USD ($)						3 Months Ended								12 Months Ended
	Apr. 05, 2022	Oct. 01, 2021	Jul. 01, 2021	Apr. 02, 2021	Jan. 04, 2021	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Expenses:
Manager's Fee, related party						$ 1,998,000	$ 2,622,000	$ 3,761,000	$ 2,833,000	$ 2,969,000	$ 2,548,000	$ 1,095,000	$ 375,000	$ 11,214,000	$ 6,987,000	$ 718,000
Net investment loss						(1,998,000)	(2,622,000)	(3,761,000)	(2,833,000)	(2,969,000)	(2,548,000)	(1,095,000)	(375,000)	(11,214,000)	(6,987,000)	(718,000)
Net realized and unrealized gain (loss) from:
Net realized gain (loss) on investments in digital assets	$ 12,437,503	$ 14,980,028	$ 11,651,902	$ 4,398,884	$ (1,754,085)	13,507,000	1,772,000	17,866,000	13,704,000	6,668,000	152,000	426,000	47,000	46,849,000	7,293,000	(147,000)
Net change in unrealized depreciation on Manager's Fee payable														0	0	57,000
Net change in unrealized (depreciation) appreciation on investments						(306,547,000)	(27,207,000)	15,486,000	88,242,000	(169,378,000)	271,256,000	146,286,000	7,860,000	(230,026,000)	256,024,000	(3,539,000)
Net realized and unrealized gain (loss) on investments						(293,040,000)	(25,435,000)	33,352,000	101,946,000	(162,710,000)	271,408,000	146,712,000	7,907,000	(183,177,000)	263,317,000	(3,629,000)
Net increase (decrease) in net assets resulting from operations						$ (295,038,000)	$ (28,057,000)	$ 29,591,000	$ 99,113,000	$ (165,679,000)	$ 268,860,000	$ 145,617,000	$ 7,532,000	$ (194,391,000)	$ 256,330,000	$ (4,347,000)