v3.26.1
Financial Highlights - Summary of Financial Highlights (Detail) - $ / shares
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Investment Company, Financial Highlights [Line Items]        
Principal Market NAV per-share, beginning of period     $ 59.01  
Principal Market NAV per share, end of period $ 37.67   37.67  
Investor Class [Member]        
Investment Company, Financial Highlights [Line Items]        
Principal Market NAV per-share, beginning of period [1] 44.62 $ 54.84 59.01 $ 67.47
Net investment loss (0.09) (0.42) (0.18) (0.81)
Net realized and change in unrealized appreciation (depreciation) on investment in Crypto Assets (6.86) 16 (21.16) [2] 3.76
Net change in net assets from operations (6.95) 15.58 (21.34) 2.95
Principal Market NAV per share, end of period $ 37.67 $ 70.42 $ 37.67 $ 70.42
Total return, at net asset value [3] (15.58%) 28.41% (36.16%) 4.37%
Ratios to average net assets        
Expenses [4],[5],[6] 0.75% 2.51% 0.75% 2.51%
Net investment loss [4],[5],[6] (0.75%) (2.51%) (0.75%) (2.51%)
[1] Calculated using average Shares outstanding.
[2] Because of the timing of subscriptions and redemptions in relation to fluctuating market values, the amount shown may not agree with the change in aggregate gains and losses.
[3] Total return is calculated based on the change in Principal Market NAV during the reporting period. An individual Shareholder’s total return and ratios may vary from the above total return and ratios based on the timing of share transactions from the Trust.
[4] Annualized.
[5] Based on the average of month-end net assets.
[6] On December 3, 2025, as part of the conversion to an ETP product, the Sponsor reduced the management fee from 2.50% per annum to 0.75% per annum, which became effective upon the Trust's listing on the Exchange on December 9, 2025.