Ethereum co-founder Vitalik Buterin proposed "The Extremely Lean Chain," suggesting a reduction in Ethereum consensus chain state storage requirements through ZK proofs and state compression. The scheme removes validator public keys from on-chain state, storing only deposit tree indices, and eliminates real-time reward and penalty processing. Instead, validators must generate a daily STARK proof of participation and update their balances. Validator identities are randomized daily, with anonymity achieved via ZK-STARKs, and withdrawal addresses are exposed only at the time of withdrawal. This mechanism supports millions of validators.
Vitalik Buterin proposes an extremely lean chain to compress Ethereum state storage
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Summary
Ethereum news: Vitalik Buterin proposed the Extremely Lean Chain to reduce Ethereum’s on-chain state storage using ZK proofs and state compression. The design eliminates validator public keys, stores only deposit tree indices, and defers reward and penalty processing. Validators must submit daily STARK proofs, with identities randomized via ZK-STARK. Withdrawal addresses remain concealed until withdrawal, enabling support for large validator counts. On-chain developments highlight a shift toward scalable consensus models.
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