75000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 75010 - Statement - STATEMENTS OF ASSETS AND LIABILITIES link:presentationLink link:calculationLink link:definitionLink 75020 - Statement - STATEMENTS OF ASSETS AND LIABILITIES Liabilities2 link:presentationLink link:calculationLink link:definitionLink 75030 - Statement - STATEMENTS OF ASSETS AND LIABILITIES (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 75040 - Statement - SCHEDULES OF INVESTMENT link:presentationLink link:calculationLink link:definitionLink 75050 - Statement - STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 75060 - Statement - STATEMENTS OF CHANGES IN NET ASSETS link:presentationLink link:calculationLink link:definitionLink 995455 - Disclosure - Organization link:presentationLink link:calculationLink link:definitionLink 995465 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 995475 - Disclosure - Fair Value of BCH link:presentationLink link:calculationLink link:definitionLink 995485 - Disclosure - Creations and Redemptions of Shares link:presentationLink link:calculationLink link:definitionLink 995495 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 995505 - Disclosure - Related Parties link:presentationLink link:calculationLink link:definitionLink 995515 - Disclosure - Concentration Risk link:presentationLink link:calculationLink link:definitionLink 995525 - Disclosure - Financial Highlights Per Share Performance link:presentationLink link:calculationLink link:definitionLink 995535 - Disclosure - Indemnifications link:presentationLink link:calculationLink link:definitionLink 995545 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 995555 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 995565 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 995575 - Disclosure - Fair Value of BCH (Tables) link:presentationLink link:calculationLink link:definitionLink 995585 - Disclosure - Financial Highlights Per Share Performance (Tables) link:presentationLink link:calculationLink link:definitionLink 995595 - Disclosure - Organization - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995605 - Disclosure - Summary of Significant Accounting Policies - Summary of Fair Value Estimates (Details) link:presentationLink link:calculationLink link:definitionLink 995615 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995625 - Disclosure - Fair Value of BCH - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995635 - Disclosure - Fair Value of BCH - Changes in Quantity of BCH and Respective Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 995645 - Disclosure - Creations and Redemptions of Shares - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995655 - Disclosure - Income Taxes - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995665 - Disclosure - Related Parties - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995675 - Disclosure - Financial Highlights Per Share Performance - Summary of Per Share Data (Details) link:presentationLink link:calculationLink link:definitionLink Net realized (loss) gain on investment in BCH Investment owned balance contracts net realized gain loss on investment. Investment Owned Balance Contracts Net Realized Gain Loss On Investment Net realized loss on investment in BCH Common units issued, minimum basket Common Units Issued Minimum Basket Common units issued, minimum basket. Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Decrease Increase In Net Assets From Operations [Abstract] (Decrease) increase in net assets from operations. Decrease in net assets from operations: Summary of Fair Value Estimates Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Equity [Abstract] Entity Current Reporting Status Entity Current Reporting Status Expenses: Operating Expenses [Abstract] Level 2 Fair Value, Inputs, Level 2 [Member] Summary of Per Share Data Investment Company, Financial Highlights [Table Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Entity Shell Company Entity Shell Company Segment Reporting, Policy [Policy Text Block] Segment Reporting Net assets Beginning of period End of period Net Assets Statement [Table] Investment owned balance contracts net change in unrealized appreciation depreciation on investment. Investment Owned Balance Contracts Net Change In Unrealized Appreciation Depreciation On Investment Net change in unrealized appreciation/depreciation on investment in BCH Investment Company, Investment Income (Loss) from Operations, Per Share Net decrease in net assets resulting from operations BCH fair value per share BCH Fair Value Per Share Bitcoin Cash Fair Value Per Share Bitcoin cash fair value per share. Statement [Line Items] Investment Transactions and Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Entity Filer Category Entity Filer Category Investment Owned, Balance Investment Owned, Balance Investment Owned, Balance, Contracts Federal income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Concentration Risk Disclosure [Text Block] Concentration Risk Total return Investment Company Total Returns Investment company total returns. Entity Small Business Entity Small Business Organization, Consolidation and Presentation of Financial Statements [Abstract] Amendment Flag Amendment Flag Entity Address, Postal Zip Code Entity Address, Postal Zip Code Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Entity Address, Address Line One Entity Address, Address Line One Shares Issued Not Disclosed Shares issued not disclosed. Shares issued Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Axis] Investment Company, Investment Income (Loss) from Operations, Per Share [Abstract] Net decrease in net assets from investment operations: Investment Type [Axis] Investment Type Document Type Document Type Investment owned, balance, shares held by custodian. Investment owned balance shares held by custodian Investment Owned Balance Shares Held By Custodian Stock Issued During Period, Shares, Period Increase (Decrease), Total Net increase in Shares Stock Issued During Period, Shares, Period Increase (Decrease) Entity Central Index Key Entity Central Index Key Operating Costs and Expenses, Total Operating Costs and Expenses Sponsor's Fees incurred Liabilities: Liabilities [Abstract] Net realized (loss) gain on investment in BCH Realized Investment Gains (Losses), Total Realized Investment Gains (Losses) Net realized gain (loss) on investment in BCH Current Fiscal Year End Date Current Fiscal Year End Date Document Quarterly Report Document Quarterly Report Entity Address, State or Province Entity Address, State or Province Net investment loss Investment Company, Investment Income (Loss) Ratio Net investment loss Risks and Uncertainties [Abstract] Concentration Risk Increase In Net Assets From Capital Share Transactions [Abstract] Increase in Net Assets From Capital Share Transactions. Increase in net assets from capital share transactions: Sponsor's Fee, related party Sponsor Fees Minimum Minimum [Member] Share represented as BCH Common Share Equivalent Of Bitcoin Cash1 Common share equivalent of bitcoin cash. Level 3 Fair Value, Inputs, Level 3 [Member] Investment Company, Gain (Loss) on Investment, Per Share Net realized and unrealized loss Net change in unrealized appreciation/depreciation on investment in BCH Unrealized Gain (Loss) on Investments, Total Unrealized Gain (Loss) on Investments Net change in unrealized appreciation/depreciation on investment in BCH Related Party Transactions [Abstract] Shares issued and outstanding, no par value (unlimited Shares authorized) Common Stock, Other Shares, Outstanding Shares outstanding at beginning of period Shares outstanding at end of period Shares, Outstanding Total Investment [Member] Investment [Member] Investment. Number Of Authorized Shares Not Disclosed Number of authorized shares not disclosed. Shares authorized Subsequent Events Subsequent Events [Text Block] Related Parties Related Party Transactions Disclosure [Text Block] Coinbase Inc Coinbase Incorporation [Member] Coinbase Inc. [Member]. Entity Address, Address Line Two Entity Address, Address Line Two Fair Value Disclosures [Text Block] Fair Value of BCH Fair Value Investment Owned, at Fair Value Investment Owned, at Fair Value Investment in BCH Investment in BCH, at fair value (cost $150,000 and $152,842 as of March 31, 2026 and June 30, 2025, respectively) Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Indemnifications Disclosure [Abstract] Indemnifications Disclosure [Abstract]. Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Entity Entity [Domain] Schedule Of Investments [Line Items] Schedule of Investments [Line Items] Related Party Related and Nonrelated Parties [Axis] Entity Address, City or Town Entity Address, City or Town Number of reportable segment Number of Reportable Segments Investment in BCH [member] Investment In Bitcoin Cash [Member] Investment in bitcoin cash. Cost Investment Owned, Cost Cost of investment in BCH, at fair value Statistical Measurement Statistical Measurement [Domain] Document Period End Date Document Period End Date Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Statement of Financial Position [Abstract] Related party sponsor fee percentage Related Party Transaction, Rate Total liabilities Liabilities Increase Decrease In Net Assets Increase (decrease) in net assets. Total decrease in net assets from operations and capital share transactions Entity File Number Securities Act File Number Cover Cover [Abstract] Investments Investments [Domain] Number of Incidental Rights distributed Number Of Incidental Rights Distributed In Payment Of Sponsors Fee Number of incidental rights distributed in payment of sponsors fee. Schedule Of Investments [Table] Schedule of Investments [Table] New Accounting Pronouncements, Policy [Policy Text Block] Recently Adopted Accounting Pronouncements and Recently Issued Accounting Pronouncements Investment, Type [Extensible Enumeration] Changes in Quantity of BCH and Respective Fair Value Investment Holdings, Schedule of Investments [Table Text Block] Document Transition Report Document Transition Report Schedule of Investments [Abstract] Shares issued Stock Issued During Period, Value, New Issues Assets Assets, Fair Value Disclosure [Abstract] Digital Currency Group, Inc. Digital Currency Group Inc [Member] Digital Currency Group Inc. Creations and Redemptions of Shares Equity [Text Block] Net decrease in net assets resulting from operations Assets: Assets [Abstract] Net Realized And Unrealized Gain Loss [Abstract] Net Realized And Unrealized Gain Loss Net realized and unrealized loss from: Document Fiscal Year Focus Document Fiscal Year Focus Investment income Investment Income Investment Income. Fair Value Measurement Fair Value Measurement, Policy [Policy Text Block] Fair Value Disclosures [Abstract] Percent of Net Assets Investment Owned, Net Assets, Percentage Net investment loss Net investment loss Investment Income, Net Related Party Related and Nonrelated Parties [Domain] Income Taxes Income Tax Disclosure [Text Block] Legal Entity Legal Entity [Axis] Income Tax Disclosure [Abstract] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Trading Symbol Schedule Of Related Party Transactions By Related Party [Table] Related Party Transaction [Table] Quantity of BCH Quantity Of Bitcoin Cash Quantity of Bitcoin Cash. Schedule Of Changes In Net Assets [Abstract] Schedule Of Changes In Net Assets Investment Company, Financial Highlights [Abstract] Entity Ex Transition Period Entity Ex Transition Period Net assets. Net Assets [Abstract] Net assets: Net Assets consists of: Accounts Payable, Total Accounts Payable Sponsor's Fee payable, related party Accrued and unpaid Sponsor's Fees Additional trust expenses paid by sponsor Additional Trust Expenses Paid By Sponsor Additional trust expenses paid by sponsor. Financial Highlights Per Share Performance Investment Company, Financial Highlights [Text Block] Sponsor Sponsor [Member] Sponsor [Member]. Net investment loss Investment Company, Investment Income (Loss), Per Share, Basic Investment income: Investment Income, Net [Abstract] Maximum Maximum [Member] Statistical Measurement Statistical Measurement [Axis] Non Sponsor Paid Expenses Non Sponsor Paid Expenses [Member] Non Sponsor Paid Expenses [Member] Related party transaction in a fiscal year Related Party Transaction, Amounts of Transaction Ratios to average net assets: Investment Company, Financial Ratios [Abstract] Change In Shares Outstanding [Abstract] Change in Shares outstanding: Change in shares outstanding. Expenses Investment Company, Expense Ratio, after Fee Waiver and Incentive Fee Deduction BCH contributed Investment Owned Balance Contracts New Contributions Investment Owned, Balance, Contracts New Contributions. Related Party Transaction [Line Items] Related Party Transaction [Line Items] Entity Registrant Name Entity Registrant Name Common Stock, Shares Held in Employee Trust, Shares Shares of the Trust, held by related parties Subsequent Events [Abstract] BCH distributed for Sponsor's Fee, related party Investment Owned Balance Contracts Distributed Investment owned, balance, contracts distributed. BCH distributed for Sponsor's Fee, related party Indemnifications Indemnifications Disclosure [Text Block] Indemnifications Disclosure [Text Block]. Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Net increase in net assets resulting from capital share transactions Stockholders' Equity, Period Increase (Decrease) BCH distributed for Sponsor's Fee, related party Investments Owned Distributions Investments owned distributions. BCH distributed for Sponsor's Fee, related party Gain (Loss) on Investments Net realized and unrealized loss on investment Principal market net asset value per Share Net Asset Value Per Share Principal Market NAV per Share Principal Market NAV, beginning of period Principal Market NAV, end of period Total assets Assets Income Statement [Abstract] Principal Market and Fair Value Determination Fair Value of Financial Instruments, Policy [Policy Text Block] Shares issued Stock Issued During Period, Shares, New Issues Title of 12(g) Security Title of 12(g) Security City Area Code City Area Code Per Share Data: Investment Company, Financial Highlights [Roll Forward] Purchase of share value. Purchase of Share Value Aggregate amount of total share value purchased BCH contributed Investments Owned New Contributions Investments owned new contributions. Level 1 Fair Value, Inputs, Level 1 [Member] Shares held in employee trust Common Stock, Shares Held in Employee Trust Entity Interactive Data Current Entity Interactive Data Current Number of Incidental Rights held Number Of Incidental Rights Held Number of incidental rights held. Entity Tax Identification Number Entity Tax Identification Number Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Local Phone Number Local Phone Number Accounting Policies [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company