A post by @WuBlockchain on X.

Ethereum co-founder Vitalik Buterin said on Nov. 4, 2026, that completing Ethereum's remaining roadmap could take roughly 20 years without AI assistance, framing the "lean Ethereum" upgrade set as a multi-year effort. The plan centers on a leaner consensus and execution design that Ethereum intends to roll out over the coming years, with AI positioned as a potential accelerant for research and implementation work. The comment matters because it resets expectations for how quickly Ethereum can deliver the scalability and efficiency changes that developers and investors have anticipated. What to watch next is whether AI tooling meaningfully compresses that timeline and how the lean Ethereum upgrades are sequenced in upcoming network releases.