v3.26.1
Fair Value of DOT - Schedule of Changes in Quantity of DOT and the Respective Fair Value (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Fair Value, Net Asset (Liability) [Abstract]      
Quantity of DOT, Beginning balance 6,954,886  
Fair Value, Beginning balance $ 28,283,575  
Quantity of DOT, DOT purchased for contributions   601,711.7068  
Fair Value, DOT Purchased for contributions   $ 914,280  
Quantity of DOT, DOT rewards received   498,238.3218  
Fair Value, DOT rewards received   $ 1,441,809  
Quantity of DOT, DOT sold for redemptions    
Fair Value, DOT sold for redemptions    
Quantity of DOT, DOT sold to pay expenses   (155,520.592) (10,288.8174)
Fair Value, DOT sold to pay expenses   $ (491,420) $ (53,100)
Quantity of DOT, Net realized gain (loss) on investment in DOT sold to pay Sponsor fee    
Fair Value, Net realized gain (loss) on investment in DOT sold to pay Sponsor fee   $ (666,541)  
Quantity of DOT, Net change in unrealized depreciation on investment in DOT  
Fair Value, Change in unrealized appreciation (depreciation) on investment in DOT $ (25,011,960) $ (19,465,371)  
Quantity of DOT, DOT received 6,827,026    
Fair Value, DOT received $ 52,631,796    
Quantity of DOT, DOT received from staking rewards (net of Staking Provider Consideration) 138,148.8174    
Fair Value, DOT received from staking rewards (net of Staking Provider Consideration) $ 716,839    
Quantity of DOT, Ending balance 6,954,886 7,899,315.4366 6,954,886
Fair Value, Ending balance $ 28,283,575 $ 10,016,332 $ 28,283,575