Investment bank Jefferies reported on Sunday that bitcoin mining profits fell 5% last month due to an increase in network computing power. A team of analysts led by Jonathan Petersen said that if the mining team had a computing power of 1 EH/s, it would earn about $55,000 a day in August, down from $58,000 in July and $44,000 a year ago. US-listed mining companies mined a total of 3,573 bitcoins in August, down from 3,598 in July, and these miners accounted for 26% of the bitcoin network's compu...