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Interim Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Cash flows from operating activities:        
Net loss $ (2,988,592) $ (3,834,465) $ (2,578,541)  
Less: Net loss from discontinued operations  
Net loss from continuing operations (2,988,592) (3,834,465) (2,578,541)  
Adjustments to reconcile net loss to net cash used in operating activities:        
Impairment loss of intangible assets 79,821  
Impairment loss of fixed assets 504,693 1,827,373  
Depreciation of fixed assets 253,101 422,622 449,404  
Loss/(Gain) on market price of short-term investment (3,474) (216,410) 7  
Loss on share-based payment liabilities 73,500  
Loss on market price of crypto assets 653,164 651,441  
Expenses included in financing activities 11,587 125,137 630,305  
Stock-based compensation 293,322  
(Gain)/Loss from selling short-term investments (35,771) 79,742  
Exchange gains and losses 1,012 7,616 13,443  
Other income 11,451  
Changes in operating assets and liabilities, net of effect of acquisitions:        
Digital assets generated from mining business (208,017) (274,450) (166,242)  
Digital assets used to pay expenses 62,498  
Clearing deposit (100,445)  
Accounts receivable (98,942)  
Accrued revenue (19,934)  
Prepaid expenses and other current assets 30,622 12,285 9,850  
Right-of-use assets 158,887 158,887 158,887  
Deferred tax assets (13,334) 325,646 (772)  
Accounts payable 17 41,234 (22,075)  
Advance from customers 285,307 (45,000) (80,000)  
Accrued expenses and other current liabilities (36,629) (193,005) 20,960  
Lease liabilities (187,281) (173,017) (104,324)  
Net cash used in continuing operations (1,328,938) (1,188,426) (1,509,535)  
Net cash used in discontinued operations  
Net cash used in operating activities (1,328,938) (1,188,426) (1,509,535)  
Cash flows from investing activities:        
Cash from selling short-term investments 1,939,850 750,258  
Cash from receiving short-term investment interest 301 47,894 5,945  
Prepayments for purchasing fixed assets (2,611) (3,000,000)  
Cash paid for short-term investments (1,094,896) (364,531) (3,136,411)  
Cash paid for long-term equity investments (160,000)  
Advance payment for acquisition (120,000)  
Net cash (used in)/provided by continuing operations (1,094,595) 1,620,602 (5,660,208)  
Net cash (used in)/provided by discontinued operations  
Net cash (used in)/provided by investing activities (1,094,595) 1,620,602 (5,660,208)  
Cash flows from financing activities:        
Issuance of common stock 8,041,900 5,000,000  
Convertible notes (4,000,000) (1,950,000) 9,000,000  
Financing costs (375,000) (480,000) (700,000)  
Net cash provided by/(used in) continuing operations 3,666,900 (2,430,000) 13,300,000  
Net cash provided by/(used in) discontinued operations  
Net cash provided by/(used in) financing activities 3,666,900 (2,430,000) 13,300,000  
Effect of exchange rate changes by continuing operations 53 (19) (100)  
Effect of exchange rate changes by discontinued operations  
Effect of exchange rate changes 53 (19) (100)  
Increase/(decrease) in cash and cash equivalents, and restricted cash 1,243,420 (1,997,843) 6,130,157  
Cash and cash equivalents, and restricted cash, beginning of the year 2023, 2024 and 2025 24,009,331 16,208,949 7,537,873 $ 7,537,873
Cash and cash equivalents, and restricted cash, as of June 30, 2023, 2024 and 2025 25,252,751 14,211,106 13,668,030 $ 16,208,949
Supplement disclosure of cash flow information interest paid