Summary of Significant Accounting Policies - Summary of Fair Value Estimates (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Assets
Investment Owned, at Fair Value	$ 173,852	$ 367,308
Investment in Bitcoin
Assets
Investment Owned, at Fair Value	117,743	255,175
Investment in Ethereum
Assets
Investment Owned, at Fair Value	40,136	101,625
Investment in Cardano
Assets
Investment Owned, at Fair Value	4,803
Investment in Solana
Assets
Investment Owned, at Fair Value	3,557
Investment in Polkadot
Assets
Investment Owned, at Fair Value	2,235
Investment in Avalanche
Assets
Investment Owned, at Fair Value	1,445
Investment in Litecoin
Assets
Investment Owned, at Fair Value	1,220	3,707
Investment in Uniswap
Assets
Investment Owned, at Fair Value	1,122
Investment in Chainlink
Assets
Investment Owned, at Fair Value	960	2,956
Investment in Bitcoin Cash
Assets
Investment Owned, at Fair Value	631	3,845
Level 1
Assets
Investment Owned, at Fair Value	172,407	0
Level 1 | Investment in Bitcoin
Assets
Investment Owned, at Fair Value	117,743	0
Level 1 | Investment in Ethereum
Assets
Investment Owned, at Fair Value	40,136	0
Level 1 | Investment in Cardano
Assets
Investment Owned, at Fair Value	4,803
Level 1 | Investment in Solana
Assets
Investment Owned, at Fair Value	3,557
Level 1 | Investment in Polkadot
Assets
Investment Owned, at Fair Value	2,235
Level 1 | Investment in Avalanche
Assets
Investment Owned, at Fair Value	0
Level 1 | Investment in Litecoin
Assets
Investment Owned, at Fair Value	1,220	0
Level 1 | Investment in Uniswap
Assets
Investment Owned, at Fair Value	1,122
Level 1 | Investment in Chainlink
Assets
Investment Owned, at Fair Value	960	0
Level 1 | Investment in Bitcoin Cash
Assets
Investment Owned, at Fair Value	631	0
Level 2
Assets
Investment Owned, at Fair Value	1,445	367,308
Level 2 | Investment in Bitcoin
Assets
Investment Owned, at Fair Value	0	255,175
Level 2 | Investment in Ethereum
Assets
Investment Owned, at Fair Value	0	101,625
Level 2 | Investment in Cardano
Assets
Investment Owned, at Fair Value	0
Level 2 | Investment in Solana
Assets
Investment Owned, at Fair Value	0
Level 2 | Investment in Polkadot
Assets
Investment Owned, at Fair Value	0
Level 2 | Investment in Avalanche
Assets
Investment Owned, at Fair Value	1,445
Level 2 | Investment in Litecoin
Assets
Investment Owned, at Fair Value	0	3,707
Level 2 | Investment in Uniswap
Assets
Investment Owned, at Fair Value	0
Level 2 | Investment in Chainlink
Assets
Investment Owned, at Fair Value	0	2,956
Level 2 | Investment in Bitcoin Cash
Assets
Investment Owned, at Fair Value	0	3,845
Level 3
Assets
Investment Owned, at Fair Value	0	0
Level 3 | Investment in Bitcoin
Assets
Investment Owned, at Fair Value	0	0
Level 3 | Investment in Ethereum
Assets
Investment Owned, at Fair Value	0	0
Level 3 | Investment in Cardano
Assets
Investment Owned, at Fair Value	0
Level 3 | Investment in Solana
Assets
Investment Owned, at Fair Value	0
Level 3 | Investment in Polkadot
Assets
Investment Owned, at Fair Value	0
Level 3 | Investment in Avalanche
Assets
Investment Owned, at Fair Value	0
Level 3 | Investment in Litecoin
Assets
Investment Owned, at Fair Value	0	0
Level 3 | Investment in Uniswap
Assets
Investment Owned, at Fair Value	0
Level 3 | Investment in Chainlink
Assets
Investment Owned, at Fair Value	0	0
Level 3 | Investment in Bitcoin Cash
Assets
Investment Owned, at Fair Value	$ 0	$ 0