Vitalik Buterin: The zkEVM speed race is over; focus shifts to security

Chainthink

Release Time: 2026/10/15 04:05:29

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Summary

On-chain news broke on October 15 when Vitalik Buterin posted on X, signaling the end of the zkEVM speed race and urging a shift in focus toward security. He emphasized the importance of formal verification and proof system security, cautioning against potential security vulnerabilities. Buterin commended Airbender’s progress, noting that ZKsync’s Airbender Prime is the first GPU-based prover to generate real-time Ethereum proofs.

ChainThink reports that on October 15, according to a post on X platform, Vitalik Buterin congratulated the Airbender team and stated that the race for zkEVM speed has ended, with the primary focus now shifting entirely to security.

Vitalik noted that formal verification is required for the equivalence between arithmetization and the Ethereum specification, a hard upper bound on the ratio of proof cost to block gas limit, and the security of the proof system itself.

Previously, ZKsync launched the prover Airbender Prime, calling it the first prover to achieve real-time Ethereum proofs on a single GPU.

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