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CRYPTOCURRENCIES, Group's Cryptocurrencies (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Cryptocurrencies [Abstract]        
Cryptocurrencies other than USDC $ 15,336 $ 2,086    
USDC 35 89    
Total cryptocurrencies $ 15,371 $ 2,175 $ 6,187 $ 9,582