In a detailed post, Buterin said he no longer fully agrees with an earlier tweet arguing against designs that force users to reconstruct blockchain state themselves.
His change of heart reflects both major advances in cryptography and a more grounded view of how systems fail in the real world. The message is clear. Better technology changes what is possible, and resilience matters as much as theory.
From State Debates to Better Proofs
In 2017, Buterin strongly opposed blockchain designs that only recorded transaction order while leaving balances and smart contract data implied. His concern was practical. Without committing state to each block, users would either need to replay every transaction in history or trust a third party service. Ethereum took the opposite path by committing the full state to each block, allowing users to verify balances using cryptographic proofs called Merkle proofs, as long as a majority of validators act honestly.
What changed is the rise of zero knowledge proofs, often called ZK proofs. These tools allow someone to prove that a set of transactions was processed correctly without redoing all the computation. In simple terms, you can check the result without watching every step. This has become a major trend across crypto. Ethereum layer two networks like zkSync and Starknet now use ZK technology to scale transactions while keeping security strong.
Vitalik Buterin no longer agrees with his 2017 view of “recording only transactions without committing state,” due to mature zero-knowledge technologies like ZK-SNARKs enabling state verification without full transaction replay, reducing trust assumptions without sacrificing…
— Wu Blockchain (@WuBlockchain) January 26, 2026
According to Electric Capital data, developer activity in zero knowledge systems has more than doubled since 2021. That growth supports Buterin’s point. New tools let blockchains get security benefits without forcing heavy costs on everyday users.
Designing for When Things Break
Buterin also admitted a deeper shift in mindset. In 2017, he focused on clean academic assumptions, such as trusting an honest majority. Over time, experience showed him how often real systems fail. Networks slow down. Services shut off. Mining or staking power can become concentrated. Censorship can appear suddenly, as seen when Tornado Cash infrastructure was widely blocked in 2022.
The idea of average users personally validating the entire history of the system is a weird mountain man fantasy. There, I said it.
— vitalik.eth (@VitalikButerin) June 9, 2017
His updated view uses a simple metaphor. A self sovereign blockchain should be like a cabin in the mountains. It is not where everyone lives every day. It is a safe fallback when everything else stops working. Even if most users rely on wallets and services, the ability to directly use the chain must always exist.
This idea has real market relevance. Bitcoin’s role as a settlement layer during banking stress in 2023 showed how fallback systems build confidence, even if rarely used.
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The post Vitalik Buterin Rethinks Blockchain State and Self Sovereignty appeared first on Altcoin Buzz.
This articles is written by : Nermeen Nabil Khear Abdelmalak
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