Vitalik: consortium blockchains failed — here's what should replace them.

In a July 2024 Arbitrum video, Ethereum co-founder Vitalik Buterin declared the original consortium blockchain vision a failure. His diagnosis: private chains inherit the worst of both worlds — the opacity of centralised systems and the coordination friction of decentralised ones — ultimately producing cartel-like structures that offer neither genuine openness nor meaningful privacy.

Buterin's proposed fix doesn't require tearing down existing infrastructure. Instead, he advocates retrofitting centralised servers with cryptographic scaffolding: anchoring proofs and Merkle roots on public chains to harden security without a full architectural overhaul. It's a pragmatic middle path — keep what works, verify what matters.

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