Sui Prepares Quantum‑Safe Accounts With Seamless User Migration Design

TL;DR
- Sui is preparing two NIST-standardized post-quantum signature systems for different account types without forcing asset migration.
- Users will be able to change the cryptography protecting their accounts while keeping the same address, thanks to the Address Aliases system.
- High-value vaults will reach Mainnet before the end of 2026; native ML-DSA-65 accounts are expected on mainnet by Q1 2027.
Sui is designing a transition mechanism toward cryptography resistant to quantum computers that will allow users to update the signature protecting their accounts without needing to move assets to a new address. The network plans to incorporate two NIST-standardized schemes: ML-DSA-65, defined under FIPS 204, for normal accounts, and SLH-DSA-SHA2-128s, under FIPS 205, for high-value vaults implemented through Move smart contracts.
Both systems are designed to withstand the attacks that large-scale quantum computers could eventually execute, capable of compromising the elliptic curve signatures used today across the crypto industry.
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