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16. MAJOR CUSTOMERS AND VENDORS - Digital currency mining segment major suppliers (Details) - Customer Concentration Risk [Member] - Accounts Receivable [Member] | 12 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022
Cryptech Solutions |  |
Concentration Risk, Percentage | 25.00% | 88.00%
Bitmain Technologies Ltd. |  |
Concentration Risk, Percentage | 75.00% | 12.00%

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