Ethereum Devs Reconsider ‘Difficulty Bomb’ Timing as Hard Forks Loom

In light of the earlier-than-expected uptick, Conner drafted EIP 2384, the Istanbul/Berlin Difficulty Bomb Delay, included in EIP 2387. In a little over six weeks, block times have increased from 13.1 to 14.3 seconds, Conner said. And, as the difficulty bomb is an exponential feature of ethereum, a one-second change has large implications down the road. 

Source: CoinDesk.com