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October 15th 2026, 8:30 AM

Ethereum Prioritizes Security Over Speed, Vitalik Buterin Says

Ethereum Prioritizes Security Over Speed, Vitalik Buterin Says

Key Summary

Ethereum co-founder Vitalik Buterin has declared the zero-knowledge proof speed race won, prioritizing security and formal verification for zkEVMs. This shift in focus could have significant implications for Ethereum's scaling and the development of zkEVMs. The news comes at a weak time for the price of ETH, trading near $2,365, down 15% from its late September high.

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Formal Verification Takes Center Stage

Ethereum co-founder Vitalik Buterin has stated that the race for speed in the zero-knowledge Ethereum era is over, and security should now come first. In a post on X, he congratulated the ZKsync Airbender team for a new milestone and stated that the fight for speed is definitively won.

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A New Priority

The first goal for formal verification is proving that the mathematics behind the proofs matches the Ethereum spec exactly. The second is a hard maximum on prover cost for the amount of gas in a block. The third is the security of the proof system itself.####

Implications for Ethereum

A proof that is fast but incorrect is dangerous, as it could hurt decentralization. Vitalik is calling on developers to close those gaps before the technology carries real weight. The news comes at a weak time for the price of ETH, trading near $2,365, down 15% from its late September high.####

Market Outlook

The black average near $2,305 is the next support, just below the recent low of $2,313. If teams follow Vitalik's message, the network could end up with proofs that are fast, cheap, and trusted, which is what the roadmap needs. However, a break below $2,305 could put the larger recovery since August at risk.####

Disclaimer

The opinions expressed here are not investment advice; they are provided for informational purposes only. The opinions expressed by our writers are their own and do not represent the views of U.Today. Every investment and all trading involves risk, so you should always perform your own research prior to making decisions. U.Today is not liable for any financial losses incurred while trading cryptocurrencies. We do not recommend investing money you cannot afford to lose. Read more on U.Today

#Ethereum#VitalikButerin#ZKsync#zkEVMs

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