Anatoly Yakovenko, Vitalik Buterin Debate Whether Blockchains Should Keep Evolving

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Solana’s leadership argues that continuous protocol upgrades are essential to stay relevant and avoid stagnation.
Ethereum focuses on long-term stability by aiming to run securely without constant upgrades.

The Public debate started in mid january 2026 between Anatoly Yakovenko, co-founder of Solana labs and Vitalik Buterin, Creator of Ethereum. Vitalik Buterin shared his view on social media that Ethereum should be stable and reach the ossified state, where it should still run without the constant upgrades. Yakovenko disagreed completely by saying that the blockchain must continue evolving to remain useful and avoid stagnation.

On replying to Vitalik Buterin, Analogy argued that any blockchain that stops upgrading will eventually die. The technology and users need to change. This debate started after Vitalik posted the tweet on X that Ethereum should aim for long-term stability, where there should not be the constant upgrades. Yakovenko also suggested that Solana must reject most upgrade ideas and accept only those that solve the real problem for the users and developers. He added that the future of Solana should be built by contributors outside Solana Labs to avoid permanent dependence on a single team.

I actually think fairly differently on this. Solana needs to never stop iterating. It shouldn’t depend on any single group or individual to do so, but if it ever stops changing to fit the needs of its devs and users, it will die.
It needs to be so materially useful to humans… https://t.co/itqr1b5az4
— toly 🇺🇸 (@toly) January 17, 2026

Vitalik’s Vision of Blockchain Ossification and Long-Term Trustless Stability

On the other side, the creator of Ethereum, Vitalik Buterin, says that the blockchain should reach the point where it does not need constant upgrades and calls this level as the Ossification. This means that the blockchain becomes so stable that it doesn’t need regular upgrades and can run safely for many years. He says that Ethereum should pass something called the Walkaway Test. This means that Ethereum should work even if the developers stop upgrading. He believes trustless systems need stability, and if there are constant upgrades, then the users must depend on the developers forever.

Ethereum itself must pass the walkaway test.
Ethereum is meant to be a home for trustless and trust-minimized applications, whether in finance, governance or elsewhere. It must support applications that are more like tools – the hammer that once you buy it’s yours – than like…
— vitalik.eth (@VitalikButerin) January 12, 2026

This debate shows two different visions of future blockchains. Vitalik Buterin believes that ETH should become more stable and work reliably without constant upgrades, and Anatoly Yakovenko believes that Solana must keep evolving and continuous upgrades are necessary to stay useful and competitive. This difference highlights two contrasting approaches to how blockchains can survive and grow over time.

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Source: https://thenewscrypto.com/anatoly-yakovenko-vitalik-buterin-debate-whether-blockchains-should-keep-evolving/