Summary of Significant Accounting Policies - Summary of Fair Value Estimates (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024
Assets
Investment Owned, Fair Value	$ 777,222	$ 526,956
Investment in Bitcoin
Assets
Investment Owned, Fair Value	620,419	370,987
Investment in Ether
Assets
Investment Owned, Fair Value	88,088	125,205
Investment in SOL
Assets
Investment Owned, Fair Value	23,417	19,574
Investment in XRP
Assets
Investment Owned, Fair Value	39,140	7,917
Investment in ADA
Assets
Investment Owned, Fair Value	6,158
Investment in AVAX
Assets
Investment Owned, Fair Value		3,273
Level 1
Assets
Investment Owned, Fair Value	777,222	526,956
Level 1 | Investment in Bitcoin
Assets
Investment Owned, Fair Value	620,419	370,987
Level 1 | Investment in Ether
Assets
Investment Owned, Fair Value	88,088	125,205
Level 1 | Investment in SOL
Assets
Investment Owned, Fair Value	23,417	19,574
Level 1 | Investment in XRP
Assets
Investment Owned, Fair Value	39,140	7,917
Level 1 | Investment in ADA
Assets
Investment Owned, Fair Value	6,158
Level 1 | Investment in AVAX
Assets
Investment Owned, Fair Value		3,273
Level 2
Assets
Investment Owned, Fair Value	0	0
Level 2 | Investment in Bitcoin
Assets
Investment Owned, Fair Value	0	0
Level 2 | Investment in Ether
Assets
Investment Owned, Fair Value	0	0
Level 2 | Investment in SOL
Assets
Investment Owned, Fair Value	0	0
Level 2 | Investment in XRP
Assets
Investment Owned, Fair Value	0	0
Level 2 | Investment in ADA
Assets
Investment Owned, Fair Value	0
Level 2 | Investment in AVAX
Assets
Investment Owned, Fair Value		0
Level 3
Assets
Investment Owned, Fair Value	0	0
Level 3 | Investment in Bitcoin
Assets
Investment Owned, Fair Value	0	0
Level 3 | Investment in Ether
Assets
Investment Owned, Fair Value	0	0
Level 3 | Investment in SOL
Assets
Investment Owned, Fair Value	0	0
Level 3 | Investment in XRP
Assets
Investment Owned, Fair Value	0	0
Level 3 | Investment in ADA
Assets
Investment Owned, Fair Value	$ 0
Level 3 | Investment in AVAX
Assets
Investment Owned, Fair Value		$ 0