industry · quantum risk
Are Crypto Exchanges Quantum Proof? Custody & Hot Wallet Risk
Verdict
Crypto exchanges are not quantum-proof. Hot wallets, withdrawal policies, and customer login channels use classical public-key crypto; operational security and PQC migration both matter.
Overview
Exchanges are high-value targets classically today. Quantum adds future CRQC pressure on the same key classes that already need HSMs, MPC, and strict ops.
This hub frames institutional exchange/custody quantum risk without investment advice.
Cryptographic profile
- Signatures: Hot wallet keys, Withdrawal approval multisigs, Customer account auth and TLS, Internal mTLS
- Hash: Withdrawal and ledger integrity controls
- Public-key exposure: Concentrated classical keys securing large asset pools.
- Vertical: exchanges
What breaks
- Hot wallets with classical single-key control
- Customer TLS and session tokens classical-only
- Unmapped chain-specific deposit address crypto
Mitigations
- Wallet key inventory by chain and temperature
- MPC/HSM with algorithm roadmaps
- Hybrid TLS on customer and API edges
FAQ
Is my exchange quantum-safe?
Ask for wallet crypto architecture and TLS/KEM roadmaps—not marketing alone.
Related?
Custody and wallet spokes; bitcoin/ethereum hubs for chain math.
Key concepts (technical dictionary)
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