the difficulty bomb was implanted the first day that ETH was released which is about 4 years ago because by that time their roadmap was to premine a huge amount of ETH and then force PoS and make a lot of money by sitting around and taking the profit out.
then they failed to release that fork which meant they had to remove that nonsense from the code which they did about 2 years ago around the same time when they split the chain into ETC/ETH.
I want to know when the mining difficulty will rise and price rise,Let me reduce the loss