Proof-of-stake is becoming the norm for Ethereum! The Bellatrix upgrade is required to initially turn on the transition, referred to as The Merge, on the Beacon Chain. After that, when a certain Total Difficulty value is reached, the proof-of-work chain will switch to proof-of-stake. Here's the full Ethereum proof-of-stake The Merge plan.
Ethereum's proof-of-stake update has finally arrived, after years of hard labor! All public testnets have been successfully upgraded, and The Merge has...