Prepaid expenses and other current assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Prepaid Expense and Other Assets, Current [Abstract]
Prepaid expenses	$ 3,760	$ 2,334
Cryptocurrency safeguarding asset	2,678	3,040
Other current assets	1,015	1,180
Prepaid expenses and other current assets	$ 7,453	$ 6,554

Fair value of asset to safeguard crypto-asset held for platform user.

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Amount of current assets classified as other.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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