X @vitalik.eth
vitalik.eth·2026-03-18 00:41
Once @leanethereum is fully deployed, Ethereum will be the only major chain that simultaneously has (i) theoretically optimal security properties under synchrony [requires 51% of online validators honest], and (ii) strong economic finality under asynchrony. Most "semi-centralized fast chains" pick (ii) only, PoW chains pick (i) only, Ethereum gets both. ...