Key Takeaways Vitalik Buterin’s Lean Ethereum roadmap, posted over the weekend, targets a 3-4 year rebuild with quantum resistance as a top priority. The plan swaps transaction re-execution for STARK-based proofs and aims for one- or two-round finality. A July 6 follow-up adds daily validator re-anonymization, while critics question the multi-year timeline. Looking to Forge a Better-Defined Future Buterin published the roadmap on X recently, days after Ethereum researchers gathered in Berlin to hash out the protocol’s long-term direction. He noted that ‘Lean Ethereum’ is the third major iteration of the network, following the original proof-of-work chain and the 2022 …