According to Foresight News, The Block reported that the overall revenue of listed crypto mining companies fell for the third consecutive month in September, and the network difficulty increased, making the situation more difficult. According to a report by JPMorgan Chase, the hash rate of the Bitcoin network increased every month in the second quarter, reaching 643EH per second in September, an increase of 2% from August. At the same time, miners' revenue per EH/s fell by 6% month-on-month to an average of US$42,100.