Blockchain

Immutable

Consensus: Quantum-Vulnerable
Why this rating. Clique proof of authority, per the mainnet genesis in immutable-geth: authorized validator nodes seal blocks with secp256k1 ECDSA signatures. No post-quantum code or plan found.
Transactions: Quantum-Vulnerable
Why this rating. Standard Ethereum secp256k1 transactions; the geth fork shows no post-quantum signature support or roadmap.
Algorithms: None listed
Website: Website
Source: Source
Note and links: Formerly Immutable zkEVM

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