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Selling and marketing expenses (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of attribution of expenses by nature to their function [line items]      
Staff costs $ 4,282,435 $ 7,592,934 $ 2,863,734
Total 478,753 120,984 93,431
Selling And Marketing Expenses      
Disclosure of attribution of expenses by nature to their function [line items]      
Offline marketing expenses 49,354 71,571 48,272
Staff costs 429,399 49,413 38,252
Growth marketing expenses     6,907
Total $ 478,753 $ 120,984 $ 93,431