No Accounts.
No Numbers.
No Storage.

QRYPTUS is a messenger built to forget. Your conversations live only on your two devices — never on a server.

PASSKEY PROTECTED · P2P ENCRYPTED · ZERO TRACE

No Accounts
No Phone Numbers
No Message Storage
Passkey Protected
P2P Encrypted
The app

Encrypted by default.
Verified by you.

  • Fingerprint verification
    Verify contacts via a separate channel to prevent impersonation.
  • Ephemeral by design
    Messages disappear on your schedule — from 1 hour to 7 days.
  • AES-256-GCM
    Every message sealed with authenticated encryption — tamper-proof by design.
A
Anonymous Source #07
● Verified · Online
🔒 E2E · AES-256-GCM ⏱ auto-destruct
Channel open. We are secure.
Documents ready. Did you verify the fingerprint?
Yes. A3F2 B7E9 matches on my end.
Good. Everything self-destructs on your schedule.
Type encrypted message…

How QRYPTUS works

Four steps. Zero servers in the middle.

Under the hood

Keys seeded by
quantum entropy.

Session keys are seeded with true randomness from the ANU Quantum Random Numbers API — not a software pseudo-random generator.

Read the security model
ANU QRNG
Open security model

Don't trust us. Verify us.

Every claim on this page maps to a real, named mechanism. We document what we do — and what we deliberately don't.

PASSKEY WEBRTC AES-256-GCM QUANTUM ENTROPY
Explore the model

Say it once.
Leave no trace.

Available as a progressive web app. No store, no install friction.