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Intangible assets - Schedule of Intangible Assets (Details) - USD ($) | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Intangible assets |  |
Cost | $ 77,123 | $ 37,332
Accumulated amortization | (12,438) | (6,350)
Additions, at cost | 2,670,247 | 36,556
Amortization current period | (56,486) | (5,566)
Intangible assets, net | $ 2,678,447 | $ 61,972

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