The sharp market downturn in mid-March 2020 forced some Bitcoin (BTC) miners to switch off their mining rigs. As a result, the Bitcoin network hash rate plummeted to ~75.8 EH/s. After reaching its lowest recent point, down from its all-time high of ~136 EH/s, the network hash rate is currently hovering at ~100 EH/s.
Consequently, we have seen a fall of almost 16% in mining difficulty, resulting in the second-largest drop in history.
As the price plummeted yet lower, the network has seen a surge on its mean block interval from roughly 10 minutes per block to 15 minutes per block before the scheduled network adjustment kicks in.
https://cryptonews.com/exclusives/are-miners-waiting-for-bitcoin-to-hit-breakeven-point-6150.htm