zkSecurity
Direct answerzkSecurity is a cryptography-focused security firm that audits cryptographic protocols and implementations, including post-quantum schemes such as ML-KEM, ML-DSA, SLH-DSA, FN-DSA, and hash-based signatures, as well as zero-knowledge, MPC, and FHE systems. It was founded by David Wong, author of Real-World Cryptography, and its team consists of practicing cryptographers rather than generalist penetration testers.
- Website
- https://zksecurity.xyz
- Headquarters
- United States (distributed team)
- Focus
- Cryptography audits: post-quantum, zero-knowledge proofs, MPC, FHE, TEEs
- Index position
- #1 of 12
Post-quantum services
- Implementation audits of ML-KEM, ML-DSA, SLH-DSA, FN-DSA, LMS/XMSS, and hybrid key exchange against FIPS 203/204/205, SP 800-227, and RFC 10024
- Protocol-level review of post-quantum migrations (TLS, messaging, blockchain signature schemes, PKI)
- Constant-time and side-channel review, known-answer test coverage, and specification conformance
- Migration planning: cryptographic inventory, hybrid design, and crypto-agility review
- Production-grade cryptographic implementation and research engagements
Public evidence
- Public audit reports
- Clients include Ethereum Foundation, Solana Foundation, Aztec, StarkWare, Aleo, Mina, Aptos, Celestia
Algorithms covered by this index
ML-KEM, ML-DSA, SLH-DSA, FN-DSA, HQC, LMS / HSS, XMSS / XMSS^MT, Hybrid TLS 1.3 key exchange (X25519MLKEM768), Classic McEliece, FrodoKEM