Initializing CypherCircle...

CypherCircle

Welcome back, Associate

🔔 1 unread encrypted message waiting.
Keys remain sealed. Enter PIN below to decrypt.

Enter Local PIN / Passphrase

🛡️ Never save your PIN in your phone's password manager. Memorize it. (5 wrong attempts or tapping ⚠️ Panic permanently incinerates all device keys.)

CypherCircle

Zero-Trace Ephemeral Backchannel

📲 Mobile Users: Install App First! Do not enter your single-use token inside a regular browser tab. First tap your browser menu (Share → Add to Home Screen on iPhone, or ⋮ → Install App on Android), open the CypherCircle app icon from your home screen, and log in there so your token isn't burned in the browser tab.

Initial Circle

Single-Use Invite Token

Tokens work once, expire after 15 minutes if unused, and physically delete upon registration.

Anonymous Alias

Create Local Unlock PIN / Passphrase (4–32 chars)

⚠️ Do Not Save PIN on Phone: If your phone prompts to "Save Password" (Google Password Manager / iCloud Keychain), tap Never / Not Now and memorize your PIN instead. (If compromised, tapping ⚠️ Panic still destroys your keys so a saved PIN becomes useless.)

CypherCircle / 🔒 circle 1

Directory

🔔 Enable closed-app push & lock-screen alerts?

Single-Use Token ():

⏳ Auto-expires in 15m 00s

Connecting to circle...

Select an associate

Select an associate to establish an encrypted backchannel.

All messages are sealed on your device with NIST P-384 ECDH + AES-256-GCM and exist strictly in volatile RAM.

🔥 Burn:

Starts when opened • Both sides can Burn Now