Subsequent Events - Additional Information (Details) - $ / shares		12 Months Ended
	Jul. 07, 2022	Jun. 30, 2022	Jun. 30, 2021	Aug. 25, 2022	Jun. 30, 2020
ADA
Subsequent Event [Line Items]
Fund portfolio share represented		$ 0.6880
Fair value of investments per share		0.44
BCH
Subsequent Event [Line Items]
Fund portfolio share represented		0.0004	$ 0.0005
Fair value of investments per share		99.92	520.99		$ 221.14
LTC
Subsequent Event [Line Items]
Fund portfolio share represented		0.0015	0.0017
Fair value of investments per share		51.43	141.61		41.15
LINK
Subsequent Event [Line Items]
Fund portfolio share represented		0.0100	0.0097
Fair value of investments per share		6.04	19.28
SOL
Subsequent Event [Line Items]
Fund portfolio share represented		0.0070
Fair value of investments per share		31.98
AVAX
Subsequent Event [Line Items]
Fund portfolio share represented		0.0056
Fair value of investments per share		16.24
BTC
Subsequent Event [Line Items]
Fund portfolio share represented		0.0004	0.0005
Fair value of investments per share		18,895.01	34,764.81		9,134.09
ETH
Subsequent Event [Line Items]
Fund portfolio share represented		0.0025	0.0029
Fair value of investments per share		$ 1,019.72	$ 2,243.98		$ 224.96
Subsequent Event | BTC
Subsequent Event [Line Items]
Percentage of fund components basket	68.88%
Fund portfolio share represented	$ 0.0004
Subsequent Event | ETH
Subsequent Event [Line Items]
Percentage of fund components basket	25.22%
Fund portfolio share represented	$ 0.0026
Subsequent Event | ADA
Subsequent Event [Line Items]
Percentage of fund components basket	2.71%
Fund portfolio share represented	$ 0.7161
Fair value of investments per share				$ 0.47
Subsequent Event | SOL
Subsequent Event [Line Items]
Percentage of fund components basket	2.23%
Fund portfolio share represented	$ 0.0073
Fair value of investments per share				35.80
Subsequent Event | AVAX
Subsequent Event [Line Items]
Percentage of fund components basket	0.96%
Fund portfolio share represented	$ 0.0060
Fair value of investments per share				23.04
Subsequent Event | BTC
Subsequent Event [Line Items]
Fair value of investments per share				21,603.31
Subsequent Event | ETH
Subsequent Event [Line Items]
Fair value of investments per share				$ 1,707.26