Ethereum co-founder Vitalik Buterin recently shed light on the major security concerns of the Layer 2 network’s Stage-2 phase. Addressing a community member’s suggestion of naming the Stage 2 phase as BattleTested, Buterin stated, “Stage 2 is not the only thing that matters for security.” According to him, the quality of the underlying proof system matters significantly for security, beyond just achieving Stage 2.
Let’s delve deep into Vitalik Buterin’s mathematical explanation on the significance of the “underlying proof system” for L2 security.
Vitalik Buterin Explains the Importance of L2 Proof System
In a recent X thread, Ethereum co-founder Vitalik Buterin shared insights on the underlying proof system of a Layer 2 network. He underscored the crucial role that the proof system plays in ensuring the security of the Layer 2 network.
Buterin highlighted that while Stage 2 is important, it’s not the only factor determining security; the quality and robustness of the underlying proof system are equally vital. This emphasizes the need for a comprehensive approach to security, considering both the stage classification and the proof system’s strength. This development follows Buterin’s recent proposal for Bitcoin-like simplicity for Ethereum.
Notably, the Ethereum co-founder’s tweet came in response to a community member Daniel Wang’s suggestion.
What Did Daniel Wang Suggest?
On May 4, an Ethereum follower, Danile Wang proposed a separate label for Stage 2- BattleTested- to ensure security. According to him, this term indicates that the code has been thoroughly tested under real-world stress conditions, which is a valuable additional metric for evaluating its reliability.
Ethereum Co-Founder Unveils Security at Different Stages
Unveiling the security aspects of various stages in L2 scaling solutions, Vitalik Buterin shared a mathematical model to explain the transition to Stage 2. According to his explanation, the optimal stage shifts from Stage 0 to Stage 1 and eventually to Stage 2 as the quality of the proof system improves. This underscores the significance of having a robust proof system for achieving higher security levels. With a low-quality proof system, the Stage 2 implementation could result in lower security.
Further, Vitalik Buterin spotted the critical role of multisig proof systems. He asserted that multisig proof systems could significantly reduce the probability of proof system failure. He advocates for displaying proof system audits and maturity metrics alongside stage classification to provide a more comprehensive understanding of L2 security. By considering these factors, developers and users can make informed decisions about L2 solutions and their security guarantees.
Recently, Buterin revealed his plans for 2025, which included expanding the Ethereum network as well as enhancing its technical aspects.
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