Bitcoin mining difficulty dropped 7.5%, marking the largest adjustment since China’s mining ban in 2021.
Global hashrate plunged due to extreme heat and power cuts, triggering an automatic difficulty correction.
The Bitcoin network has just undergone an unusual adjustment. At the end of June 2025, the mining difficulty level dropped by around 7.5%, according to Bitbo. Not a small number, this decrease is even the largest since the Chinese government banned crypto mining in 2021. For miners, this could be good news and a reminder that this industry is indeed full of surprises.
Source: Bitbo
Bitcoin Mining Faces Setback Amid Global Heat and Power Woes
This decrease in difficulty comes after the hashrate, aka the total global mining computing power, also fell sharply. Since mid-June, the figure has dropped from 943 EH/s to 800 EH/s. It even touched 684 EH/s, the lowest point in the last eight months.
One of the main causes is the extreme heat wave in areas such as Texas, United Stat