vendor · quantum risk
QKD vs PQC products | Quantum-Safe Claims & Education
Verdict
QKD products and PQC products solve different problems. National guidance often prioritizes PQC for broad IT; QKD is not a drop-in for internet-scale app crypto. Evaluate claims separately.
Overview
QKD needs specialized links; PQC runs on classical networks. Marketing sometimes blurs them.
See learn hub QKD vs PQC for fundamentals.
Cryptographic profile
- Signatures: QKD systems (physics layer), PQC algorithms (math layer)
- Hash: N/A
- Public-key exposure: Buyers may confuse mutually exclusive deployment models.
Claim scrutiny (buyer checklist)
Marketing / stated claims
- Unhackable quantum network
- QKD replaces PQC
Open questions
- What residual classical crypto remains beside the QKD link?
Educational analysis only. Verify primary sources, specs, and audits yourself before any financial or procurement decision.
What breaks
- QKD sold as total enterprise quantum safety
- PQC ignored because QKD pilot exists
- Link budget and trust-node realities omitted
FAQ
Related?
/glossary/qkd-vs-pqc and /glossary/qkd
Market map?
/is-quantum-proof/quantum-safe-market-map
Key concepts (technical dictionary)
Terms used on this page — open a definition: