Investment bank Jefferies: Bitcoin mining profits significantly increase by nearly 20% in May According to CoinDesk, investment bank Jefferies stated that Bitcoin mining revenue increased by 18.2% month on month in May, influenced by a 20% rise in Bitcoin prices and only a slight 3.5% increase in overall network computing power. The report shows that the proportion of North American miners in the total network computing power increased from 24.1% in April to 26.3% in May. Among them, MARA Holdings had the highest mining volume in the month, reaching 950 bitcoins, an increase of 35% compared to the previous month.