SIGNAL21

> The Multi-Source Attention Reclaimer

Private Alpha

// Continue as Alpha Guest

Use the alpha passphrase for a browser-scoped guest profile. Guest data stays separate from signed-in accounts.

// Sign in with Google

Sign in directly. No alpha passphrase required. Your Google profile starts separate from guest mode.

// Sign in with Google

// Sign in with GitHub

Sign in directly. No alpha passphrase required. Your GitHub profile starts separate from guest mode.

// Sign in with GitHub

// Sign in with Nostr

Use a Nostr browser extension, Nostr Connect remote signer, or paste a bare nsec below. Your private key never leaves your signer or browser.

Signs one login challenge locally in this browser. Signal21 never sends or stores your private key.

Signal21 Alpha · Private Testing · Not For Distribution