According to the report, Bitcoin’s mining difficulty increased by 3.4%, a decrease from the previous jump of 9.26% on August 31. It is, however, the fourth positive adjustment in a row. The Bitcoin mining difficulty on August 18 was 0.63%. According to BTC.com, the Bitcoin mining difficulty on July 22 was negative (-) 5.01%. BTC.com monitors the difficulty of network mining. It also posts an update every two weeks as changes are made. The significant drop in mining difficulty earlier this summer, according to The Block, was caused by Bitcoin miners turning off their machines in response to conservation demands during peak power demand due to extreme heat.