Your memory is
the password.

Prove someone is who they say they are using a shared memory only the real them would know. No passwords. No biometrics. No AI can fake it.

01 You create a memory challenge only your contact can answer.

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02 If they answer it, the key exchange is unlocked.

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03 Identity verified. Encrypted channel established.

Create your challenge.

Ask something only the real person would know.
Your encryption keys are being generated in your browser right now.

Your name

Memory question (Bob will see this) 0/500

Your answer (Bob will never see this) 0/500

Generating your encryption keys...

Your answer is converted to a mathematical vector and only temporarily seen by the embedding service.

This link contains your memory question and your public key.
Bob must answer correctly before the encrypted channel opens.

Scan with any camera. This works on any device with a browser.

Waiting for Bob to answer the challenge...

Embedding of Alice's answer to:

""

First 40 of dimensions · stored in Redis · raw answer discarded

Bob's answer will be embedded the same way.
Cosine similarity determines if they match.

Bob answered correctly. The channel is now open.

Memory match

Key exchange Complete ✓

Trust established Via shared memory ✓

Bob's public key has been delivered to your device.
You can now communicate with cryptographic proof of his identity.

The answer didn't match your memory. No key exchange occurred.

Memory match

Key exchange Not completed ✗

Alice's public key was never shared. The channel stayed closed.