XSigi - Kyber Post‑Quantum Messenger — it’s one of the most secure and future-proof ways to encrypt messages, even against quantum adversaries.
End-to-end encrypted with Kyber for key exchange, Uses XChaCha20-Poly1305 (or AES-GCM) for message payloads, And never sends private keys or plaintext to the server,
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Open supportticketPlease reach out if something is broken, confusing, or just not living up to your expectations. We promise: no AI agents, no endless surveys—only real humans who care about your problem and will work with you until it is resolved.
If we ever fall short, email Michael (Founder) directly at michael@xsigi.com and he will personally make it right.
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