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Note 1 - Organization and Operation - Hashdex Bitcoin Futures ETF (Tables)
6 Months Ended
Jun. 30, 2023
Hashdex Bitcoin Futures ETF [Member]  
Notes Tables  
Schedule of Benchmark Percentages [Table Text Block]

CME Bitcoin Futures Contracts

 

Weighting

 

First to expire

  50

%

Second to expire

  50

%