Special thanks to @vbuterin for the original idea, @djrtwo, @zilm and others for review and useful inputs. TL; DR an eth2 execution model alternative to executable shards with support of single execution thread enshrined in the beacon chain. Recently published rollup-centric roadmap announces data shards as the main scaling factor of execution in eth2 allowing scalability upon a single execution shard and simplifying the overall design. Eth1 Shard design supposes communication with data shard...| Ethereum Research
Ethereum will soon transition from a Proof of Work (PoW) to a Proof of Stake (PoS) consensus protocol. This transition has been worked on for years and is happening in multiple steps. The first step in December 2020 consisted in launching the beacon chain. It is now live, and, at the time of writing, has more than 160k validators or an equivalent of ~5m ETH staked on it.| writings.flashbots.net
