【Investment Bank Jefferies: Bitcoin Mining Companies Listed in May Saw Mining Profits Increase by Nearly 20%, MARA Had the Highest Output】According to a report by Golden Finance, investment bank Jefferies has released data showing that Bitcoin mining companies listed in May saw their mining profits increase by nearly 20%, with MARA having the highest output (950 BTC), followed by CleanSpark, which mined 694 bitcoins. Last month, North American mining companies accounted for approximately 26.3% of the entire mining network, an increase from 24.1% in April. In May, U.S. listed Bitcoin mining companies mined a total of 3,754 bitcoins, compared to 3,278 in April.