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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Activities of Digital Currencies (Details) - USD ($)
12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2019
Accounting Policies [Abstract]      
Other Assets, Fair Value Disclosure $ 23,603,210
Additions to Other Assets, Amount 38,846,633  
Proceeds from Sale of Other Assets 11,443,132  
[custom:RealizedGainOnSaleOfDigitalCurrencies] 3,104,378    
[custom:DigitalCurrencyIssuedForServices1] 296,593    
Impairment of Ongoing Project $ 6,608,076