Statements of Changes in Net Assets - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021	Jun. 30, 2021
(Decrease) increase in net assets from operations:
Net investment loss	$ (646)	$ (860)	$ (2,881)	$ (1,340)
Net realized (loss) gain on investment in Bitcoin Cash	(80)	279	678	(161)	$ 621
Net change in unrealized (depreciation) appreciation on investment in Bitcoin Cash	(13,699)	43,931	(45,777)	61,505	59,541
Net (decrease) increase in net assets resulting from operations	(14,425)	43,350	(47,980)	60,004
Increase in net assets from capital share transactions:
Shares issued	0	29,527	11,124	89,047
Net increase in net assets resulting from capital share transactions	0	29,527	11,124	89,047
Total (decrease) increase in net assets from operations and capital share transactions	(14,425)	72,877	(36,856)	149,051
Net assets:
Beginning of period	133,035	81,859	155,466	5,685	5,685
End of period	$ 118,610	$ 154,736	$ 118,610	$ 154,736	$ 155,466
Change in Shares outstanding:
Shares outstanding at beginning of period	34,812,900	25,697,000	32,434,700	2,725,300	2,725,300
Shares issued	0	6,078,600	2,378,200	29,050,300
Net increase in Shares	0	6,078,600	2,378,200	29,050,300
Shares outstanding at end of period	34,812,900	31,775,600	34,812,900	31,775,600	32,434,700