Vitalik Buterin

Vitalik Buterin

Sep 7, 2026

Bitcoin will not experience a >50% price crash within two years driven by AI undermining its security/robustness guarantees; probability of cryptographic breaks in hashes or PoW is tiny.

Crypto

Vitalik Buterin

Sep 6, 2026

There is a 60% chance that SNARKs, FHE, and iO can all operate with <10x overhead, and a good chance at least one (likely SNARKs) reaches single-digit overhead by the end of the 2020s.

AI / Tech

Vitalik Buterin

Sep 6, 2026

60% probability that SNARKs, FHE, and iO eventually run at <10× ordinary computation cost; 33% chance of near-zero overhead.

AI / Tech

Vitalik Buterin

Aug 10, 2026

Ethereum will achieve quantum safety, first-class user privacy, high performance/scalability, and a “Lean” architecture as core properties.

Crypto

Vitalik Buterin

Jul 6, 2026

Ethereum will undergo a protocol overhaul of Merge-scale magnitude (“Lean Ethereum”) replacing most major components within three to four years (by ~2029–2030).

Crypto

Vitalik Buterin

Jul 4, 2026

By around 2030, Ethereum’s state will consist of ~2 TB traditional dynamic state plus up to 100 TB of newer efficient state types.

Crypto

Vitalik Buterin

Mar 2, 2026

AI-assisted development will enable Ethereum’s long-term roadmap to be completed significantly faster and with higher security assurance than previously expected.

Crypto

Vitalik Buterin

Feb 16, 2026

Generalized hedging via prediction markets on goods and services can effectively replace the need for fiat currency for many users.

Crypto