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Prepayments and Other Current Assets
12 Months Ended
Dec. 31, 2021
Prepaid Expense and Other Assets, Current [Abstract]  
Prepayments and Other Current Assets

4. PREPAYMENTS AND OTHER CURRENT ASSETS

Prepayments and other current assets consisted of the following:

 

 

 

As of December 31,

 

 

 

2020

 

 

2021

 

 

 

US$

 

 

US$

 

Amounts due from third party payment platforms

 

 

14,237,874

 

 

 

17,320,817

 

Others

 

 

1,487,550

 

 

 

4,636,413

 

Prepayments and Other Current Assets

 

 

15,725,424

 

 

 

21,957,230