Phantom Chat – iOS messenger with NIST post-quantum encryption (PQXDH)
Combines Signal's PQXDH with Session's no-phone approach, but iOS-only beta limits reach.
The cryptographic core of Phantom Chat — source-available for review
Byte-identical Kyber interop tests with Apple CryptoKit prove this isn't snake oil.
Security researchers, iOS developers, privacy-focused users
Signal · Element · Session
Combines Signal's PQXDH with Session's no-phone approach, but iOS-only beta limits reach.
Dedicated PQC scanner for TLS and SSH when testssl.sh lags behind.
Serverless P2P messenger with deterministic rendezvous—no coordination infrastructure needed at all.
Another Signal clone claiming post-quantum security without independent audits.
Post-quantum crypto stack, but novelty is in motivation not implementation.
Cryptographic boot attestations prove repos actually run, not just claim to.