Vitalik Buterin has unveiled his vision for Lean Ethereum, marking what he describes as the network’s third significant evolution following the Merge. This ambitious overhaul is projected to take three to four years and intends to revamp nearly every fundamental aspect of the protocol.
The roadmap, referred to by Buterin as the strawmap, serves as a draft from the Ethereum Foundation. He asserts that this initiative will replace almost all major components, characterizing it as both ambitious and low-risk.
Key Features of Lean Ethereum
At the core of these changes is the introduction of Recursive STARKs, a cryptographic proof system designed to verify the blockchain without requiring each node to re-run all transactions. Buterin believes these proofs should become a foundational element of the protocol.
Another significant enhancement involves quantum safety. In the roadmap, Buterin proposes replacing quantum-vulnerable cryptographic methods with hash-based algorithms that can withstand the challenges posed by quantum computing. This aligns with the advancements noted by NIST, which called for new post-quantum encryption standards to be finalized in 2024.
The strategy also rethinks how Ethereum manages data storage. While the existing core protocol architecture will remain largely unchanged, Buterin intends to introduce a new state type aimed at achieving scalability of up to 100 TB by 2030. This transition could potentially lower transaction fees by more than ten times when ERC-20 tokens or non-fungible tokens (NFTs) are restructured within this framework, although complex applications like decentralized exchanges would remain unaffected.
Pushing for greater privacy, Buterin emphasizes its importance as a primary focus of this evolution, not merely an add-on. This initiative backs his broader commitment to enhancing privacy across the Ethereum network. Shortly, the upcoming Glamsterdam upgrade is expected to increase gas limits as a part of this effort.
Reactions to the Timeline
While Buterin exhibits confidence following Ethereum's successful transition to proof of stake in 2022 resulting in over a 99% reduction in energy consumption and minimal disruption for users the proposed timeline has drawn quick criticism, including from within the Ethereum community. Dankrad Feist, a researcher at the Ethereum Foundation, praised Buterin’s vision but deemed the three to four-year timeframe as overly conservative. Feist advocates for a more ambitious approach, suggesting the overhaul could realistically be achieved within a year.
His enthusiasm for AI’s potential to expedite the process is echoed in the strawmap, which acknowledges how AI-accelerated research might shorten the timeline.
Conversely, not everyone shares this perspective. Some members urge the Foundation to aim low in their expectations, expressing concern that over-promising could lead to underwhelming delivery. In a recent tweet, Matt Liston indicated that while two years could be feasible, communicating such expectations might be irresponsible given the current landscape.
The implications of these changes are significant, especially as they follow a recent move towards a more streamlined Ethereum Foundation.
