Cardano has opened formal review on CIP-0197, a proposal by researcher Robert Phair designed to add optional post-quantum wallet protections through a zero-knowledge proof layer. The initiative aims to protect hierarchical deterministic wallets against future quantum-computing risks while allowing users to strengthen their wallet security without immediate key migration. CIP-0197 is not yet live on the mainnet and remains optional. The proposal reflects Cardano’s strategy to ensure long-term cryptographic resilience, though it may undergo significant changes or fail to advance.
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