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Related Parties - Additional Information (Details)
12 Months Ended
Jun. 30, 2022
USD ($)
Right
shares
Jun. 30, 2021
USD ($)
Right
shares
Jun. 30, 2020
USD ($)
Mar. 02, 2022
USD ($)
Related Party Transaction [Line Items]        
Shares of the Trust, held by related parties | shares 1,296,956 1,215,941    
Number of Incidental Rights held | Right 0 0    
Number of Incidental Rights distributed | Right 0 0    
Accrued and unpaid Sponsor's Fees $ 0 $ 0    
Additional trust expenses paid by sponsor $ 0 0 $ 0  
Amount of shares approved for purchase       $ 30,000,000
Sponsor's Parent | Coinbase Inc        
Related Party Transaction [Line Items]        
Percentage of minority interest owned 1.00%      
Sponsor        
Related Party Transaction [Line Items]        
Related party sponsor fee percentage 2.50%      
Related party maximum transaction in a fiscal year $ 600,000      
Sponsor's Fees incurred 5,356,875 $ 4,039,320 $ 17,382  
Non Sponsor Paid Expenses        
Related Party Transaction [Line Items]        
Related party maximum transaction in a fiscal year 600,000      
DCG        
Related Party Transaction [Line Items]        
Value of shares purchased $ 1,800,000