Monad outlines post-quantum roadmap, starting with wallet protection before consensus

Monad prioritizes wallet protection first, since recovering one key can expose a full balance; its public Flexible Authentication draft lets accounts add post-quantum credentials without changing addresses. PQ consensus work runs in parallel, with staking, EVM cryptography, proof infrastructure, and encrypted mempool migration to follow. Citing Google's Craig Gidney, the author says under one million qubits could break RSA-2048 in under a week, and 500,000 qubits could recover a secp256k1 key in 18–23 minutes. Modeled attack costs of roughly $530,000–$680,000 per wallet key recovery justify prioritizing wallets; consensus attacks are estimated costlier.

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