Sui Completes First Native Quantum-Resistant Devnet Transaction, Mainnet Target in Q1 2027

Mysten Labs reports that the Sui network has completed its first native quantum-resistant Devnet transaction, introducing the ML-DSA-65 account signature, which allows accounts to authorize transactions directly using this post-quantum signature scheme. ML-DSA-65 belongs to the ML-DSA series defined by the U.S. National Institute of Standards and Technology (NIST) FIPS 204 standard and serves as Sui's native protocol signature scheme for everyday accounts. Sui also plans to introduce a hash-based SLH-DSA-SHA2-128s (FIPS 205) for high-value vaults in Move smart contracts. These two schemes are based on different mathematical problems, ensuring that weaknesses in one scheme do not affect the other. Users can migrate to quantum-resistant keys using existing mnemonic phrases, and the already launched address aliases allow accounts to update authorization keys without transferring assets. Quantum-resistant accounts will be rolled out in an optional, incremental manner, following the on-chain path of zkLogin and passkey. Sui plans to launch the quantum-resistant vault mainnet within this year, with the native ML-DSA-65 accounts targeted to enter the testnet by the end of the year, and the mainnet native account authentication aimed for Q1 2027, with the final timeline depending on independent audits and testnet feedback.

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