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Disclosure - Accrued liabilities and other current liabilities link:presentationLink link:calculationLink link:definitionLink 999018 - Disclosure - Share capital link:presentationLink link:calculationLink link:definitionLink 999019 - Disclosure - Share-based compensation link:presentationLink link:calculationLink link:definitionLink 999020 - Disclosure - Revenue and contract liabilities link:presentationLink link:calculationLink link:definitionLink 999021 - Disclosure - Related party transactions link:presentationLink link:calculationLink link:definitionLink 999022 - Disclosure - Income taxes link:presentationLink link:calculationLink link:definitionLink 999023 - Disclosure - Basic and diluted net earnings/(loss) per share link:presentationLink link:calculationLink link:definitionLink 999024 - Disclosure - Operating segments link:presentationLink link:calculationLink link:definitionLink 999025 - Disclosure - Commitments and contingencies link:presentationLink link:calculationLink link:definitionLink 999026 - 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Disclosure - Schedule of prepayments and other current assets, net (Details) link:presentationLink link:calculationLink link:definitionLink 999052 - Disclosure - Prepayments and other current assets, net (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999053 - Disclosure - Schedule of short-term investments and long-term investment classified by security type (Details) link:presentationLink link:calculationLink link:definitionLink 999054 - Disclosure - Short-term investments and long-term investments (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999055 - Disclosure - Schedule of cryptocurrencies holdings (Details) link:presentationLink link:calculationLink link:definitionLink 999056 - Disclosure - Schedule of cryptocurrencies holdings activity (Details) link:presentationLink link:calculationLink link:definitionLink 999057 - Disclosure - Schedule of cryptocurrency additional information (Details) link:presentationLink link:calculationLink link:definitionLink 999058 - 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