Set Up Encryption
Your PIN never leaves your device.
Why this is required
Gnosis encrypts your memories with a key derived from your PIN through OPAQUE — a zero-knowledge protocol where the server only sees blinded values. Without your PIN (or your recovery code), nobody — including Gnosis — can decrypt your data. That is the point.
The trade-off: we cannot reset your PIN for you. The recovery code you receive on the next step is the only fallback. Save it. We will hold the line on this.
Choose a PIN
Minimum 6 characters. Not all the same character; not a sequence like 123456.
Choose a handle
Collaborators in shared collections see and reach you by your handle instead of your email. Optional, and you can change it any time on your account page.
Not now?
You can start using Gnosis immediately and set a PIN whenever you like — nothing you save now is stranded, and enrolling later moves your existing memories onto PIN-derived encryption.
What you give up until you do: your key material stays split between two parties we control, so a breach of either yields only ciphertext — but Gnosis can bring both halves together, which means a lawful subpoena can compel us to produce your memories. A PIN closes that last gap. Nothing else changes.
What we send to the server
Blinded OPAQUE handshake messages, an encrypted blob containing your random data-encryption key (wrapped under your PIN-derived export key), and the encrypted blob's twin wrapped under your recovery code. Your PIN, your data-encryption key, and your recovery code stay in this browser.