PeerDAS in Fusaka is significant because it literally is sharding.Ethereum is coming to consensus on blocks without requiring any single node to see more than a tiny fraction of the data. And this is robust to 51% attacks - it's client-side probabilistic verification, not validator voting.Sharding has been a dream for Ethereum since 2015 , and data availability sampling since 2017 ( https://t.co/Fa0jKFgObW ), and now we have it.That said, there are three ways that the sharding in Fusaka is incomplete:* We c ...