Quarterly Statements of Operations - Schedule of Quarterly Statements of Operations (Details) - USD ($)												3 Months Ended								12 Months Ended
	Apr. 03, 2024	Jan. 04, 2024	Oct. 04, 2023	Jul. 06, 2023	Apr. 05, 2023	Jan. 05, 2023	Oct. 05, 2022	Jul. 07, 2022	Apr. 05, 2022	Oct. 01, 2021	Jul. 01, 2021	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Expenses:
Manager's Fee, related party												$ 3,426,000	$ 2,882,000	$ 1,980,000	$ 1,584,000	$ 1,607,000	$ 1,337,000	$ 1,108,000	$ 1,321,000	$ 9,872,000	$ 5,373,000	$ 11,214,000
Net investment loss												(3,426,000)	(2,882,000)	(1,980,000)	(1,584,000)	(1,607,000)	(1,337,000)	(1,108,000)	(1,321,000)	(9,872,000)	(5,373,000)	(11,214,000)
Net realized and unrealized gain (loss) from:
Net realized gain (loss) on investments in digital assets	$ (8,236,118)	$ 7,968,963	$ 149,939	$ 906,943	$ 227,762	$ (7,304,129)	$ 1,133,040	$ (14,895,069)	$ 12,437,503	$ 14,980,028	$ 11,651,902	(5,574,000)	10,033,000	1,343,000	1,701,000	1,055,000	(6,745,000)	1,397,000	(14,421,000)	7,503,000	(18,714,000)	46,849,000
Net change in unrealized appreciation on investments in digital assets												(70,306,000)	225,325,000	134,194,000	(32,520,000)	11,690,000	110,821,000	(30,709,000)	31,065,000	256,693,000	122,867,000	(230,026,000)
Net realized and unrealized gain (loss) on investments												(75,880,000)	235,358,000	135,537,000	(30,819,000)	12,745,000	104,076,000	(29,312,000)	16,644,000	264,196,000	104,153,000	$ (183,177,000)
Net increase (decrease) in net assets resulting from operations												$ (79,306,000)	$ 232,476,000	$ 133,557,000	$ (32,403,000)	$ 11,138,000	$ 102,739,000	$ (30,420,000)	$ 15,323,000	$ 254,324,000	$ 98,780,000