Fair Value of BCH - Additional Information (Details)	Dec. 31, 2024 BitcoinCash $ / shares	Jun. 30, 2024 BitcoinCash $ / shares
Fair Value Disclosures [Abstract]
Investment owned balance shares held by custodian \| BitcoinCash	389,450.38959966	344,528.53494921
BCH Fair Value Per Share \| $ / shares	$ 435.89	$ 391.88

Investment owned, balance, shares held by custodian.

No definition available.

Name:	bchg_InvestmentOwnedBalanceSharesHeldByCustodian
Namespace Prefix:	bchg_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant