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Derivative Financial Asset (Tables)
12 Months Ended
Dec. 31, 2023
Derivative Asset [Abstract]  
Schedule of Derivative Financial Asset
          
As of December 31,
 
    
Notes
   
2021
    
2022
    
2023
 
          
US$
    
US$
    
US$
 
Upside Participation and Profit Distribution Agreements
     (a     124,404        167,388        —   
Future Settlement Contract
     (b     —         17,681        —   
    
 
 
    
 
 
    
 
 
 
       124,404        185,069        —   
    
 
 
    
 
 
    
 
 
 
Schedule of Derivative Financial Asset in Accordance
The Agreements satisfied the definition of derivative financial asset in accordance with U.S. GAAP and were stated at fair value with any subsequent changes recognized in profit or loss.
 
    
Net carrying
amount
 
    
US$
 
As of January 1, 2021
     132,080  
Changes in fair value during the year
     (6,947
Exchange realignment
     (729
  
 
 
 
As of December 31, 2021
     124,404  
Changes in fair value during the year
     44,461  
Partial settlement
     (1,963
Realized gain upon disposal
     486  
  
 
 
 
As of December 31, 2022
     167,388  
Realized in profit or loss during the year
     34,234  
Settlement
     (201,411
Exchange realignment
     (211
  
 
 
 
As of December 31, 2023
     —