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Aug 7, 2026

Sui integrates post-quantum signature schemes for quantum-safe accounts

Sui blockchain is integrating two NIST-approved post-quantum signature schemes, enabling users to adopt quantum-safe keys without creating new recovery phrases or changing wallet addresses.

Aug 7, 2026·2 sources
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Top claims

  • ▪Sui noted that integrating post-quantum signatures and public keys will inevitably increase transaction sizes because they are substantially larger than Ed25519 keys
  • ▪Handling SLH-DSA-SHA2-128s inside Move contracts allows Sui to remain compatible with future industry post-quantum standards without requiring a core protocol upgrade
  • ▪Sui users will be able to transition to quantum-safe keys using their existing recovery phrases because Sui keys derive deterministically from a seed

Subtopics

Blockchain quantum resistance1Blockchain technology1Cryptography & hashing1Smart contract platforms1

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