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SCHEDULES OF INVESTMENT
$ in Thousands
Dec. 31, 2022
USD ($)
Zec
Dec. 31, 2021
USD ($)
Zec
Schedule of Investments [Line Items]    
Cost $ 48,759 $ 49,993
Fair Value $ 12,543 $ 48,721
% of Net Assets 100.00% 100.00%
Investment In ZEC    
Schedule of Investments [Line Items]    
Quantity of ZEC | Zec 331,807.24477048 340,207.27644932
Cost $ 48,759 $ 49,993
Fair Value $ 12,543 $ 48,721
% of Net Assets 100.00% 100.00%