Odaily News South Korean crypto exchange Bithumb had revenue of 138.2 billion won (about $103 million) and operating profit of 62.1 billion won (about $46 million) in the first quarter of this year. Compared with the same period last year, revenue increased by 172% and operating profit increased by 283%. Net profit during the period was 91.9 billion won, an increase of 126% over the same period last year.