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Digital Currencies - Schedule of continuity of digital currencies (Details) - USD ($)
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Disclosure of Digital Currencies [Abstract]    
Opening balance, digital currency $ 3,455,756 $ 4,158,501
Digital currency mined 66,697,924 29,219,843
Digital assets received 1,057,334 4,261,351
Digital currency sold (38,437,132) (32,996,432)
Revaluation adjustment 24,725,838 (1,187,507)
Ending balance, digital currency $ 57,499,720 $ 3,455,756