tldr; Ethereum’s longest-lived PoW test network, Ropsten, is moving to proof-of-stake (PoS) as part of the “Merge” event, expected in August this year. Miners will need to configure their nodes with a value known as the Terminal Total Difficulty (TTD) to trigger the transition. This will cut the blockchain’s energy consumption by up to 99.5%.
This summary is auto generated by a bot and not meant to replace reading the original article. As always, DYOR.