Vitalik Buterin U-Turns on Self-Validation, Citing ZK-SNARKs in 2026 X Post
On January 26, 2026, Vitalik Buterin said on X he no longer stands by a 2017 remark dismissing end-user blockchain validation. He now argues zk-SNARKs make independent Ethereum verification feasible and a useful fallback against outages and centralization, reframing long-running trade-offs on scalability, decentralization, and verification.