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Commitments and contingencies (Tables)
12 Months Ended
Dec. 31, 2023
Commitments and contingencies  
Schedule of Fair Value of the Put Options

 

 

Fair value of put options

 

 

 

US$

 

 

 

 

 

Balance, December 31, 2022

 

 

0

 

Net income (loss)

 

 

0

 

Balance, December 31, 2023

 

 

0