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Financial Income, net (Tables)

12 Months Ended

Dec. 31, 2023

Financial Income, net.

Summary of financial income, net

​

​	​	​	​	​	​	​
​	​	Year Ended December 31,
​		2021		2022		2023
​	​	US$	​	US$	​	US$
Interest income and investment income, net (1)	​	8,119		20,731	​	45,052
Realized gain of bridge loan conversion to investment	​	1,218	​	—	​	—
Fair value change of short-term investments	​	(1,998)	​	(2,056)	​	54
Fair value change of long-term investments	​	(53)	​	(129)	​	(130)
Total financial income, net	​	7,286		18,546	​	44,976

(1) Interest income and investment income, net included interest income and investment income of US$8,045, US$22,898 and US$49,744, as well as investment gain from forward exchange contracts of US$74, investment loss from forward exchange contracts of US$2,167 and US$4,692, for the years ended December 31, 2021, 2022 and 2023, respectively.

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Tabular disclosure of interest income and income classified as other.

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