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Digital Currencies - Schedule of holdings of digital currencies (Details) - USD ($) | Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020
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Disclosure Of Holdings Of Digital Currencies [Line Items] |  |  |
Digital currencies, fair value | $ 170,000,412 | $ 57,499,720 |
Bitcoin [Member] |  |  |
Disclosure Of Holdings Of Digital Currencies [Line Items] |  |  |
Digital currencies, fair value | 117,669,390 | 18,858,987 | $ 867,430
Ethereum [Member] |  |  |
Disclosure Of Holdings Of Digital Currencies [Line Items] |  |  |
Digital currencies, fair value | 52,301,707 | 38,640,733 | 2,364,150
Ethereum Classic [Member] |  |  |
Disclosure Of Holdings Of Digital Currencies [Line Items] |  |  |
Digital currencies, fair value | $ 29,315 | $ 0 | $ 223,994

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