chain · quantum risk

Kaia (Klaytn lineage) Cryptography & Quantum Risk Profile

Risk: high · Confidence: high · Reviewed: 2026-07-19

Verdict

Profile view: Kaia is not quantum-proof. EVM-class accounts use classical secp256k1; rebrand from Klaytn does not install PQC.

Overview

This is the Wave 7e network/profile page for Kaia (Klaytn lineage) (l1).

Kaia continues the Klaytn service-chain lineage with EVM compatibility. User authorization is classical elliptic-curve signatures in the common model.

Inventory enterprise integrations, bridges, and large service wallets.

Verdict hub: /is-quantum-proof/kaia. Asset framing: /crypto/kaia.

Cryptographic profile

Signatures: ECDSA-secp256k1 (EVM-style accounts), Consensus/validator keys as operated
Hash: Keccak-family address hashing
Public-key exposure: Public EOAs; enterprise/service chain history means many custodial integrations.

What breaks

Classical signatures authorizing KAIA value under Shor-class adversaries once public keys are known
Custodial hot wallets and exchange operational keys
Bridges, issuers, or operator sets outside ordinary user wallets

Mitigations

Inventory every key that can move KAIA (self-custody, exchange, multisig, protocol roles)
Name the host chain and bridge path for every balance
Document operator/admin sets for L2s and apps
Track ecosystem PQC research; branding is not deployment
Use /assessment and claims methodology pages for program framing

FAQ

KLAY holders?

Track migration mapping to KAIA and which keys control post-migration balances.

Enterprise chain safer?

Governance may differ; signature math class is still classical unless proven otherwise.

Key concepts (technical dictionary)

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