https://github.com/vitorpamplona/amethyst/issues/331

Specifically asking for login via delegated key signing, allowing you to authorize a login on Amethyst from a cold storage device like Passport without ever revealing your root Nostr key to Amethyst.

Your Nostr key stays cold, but you get full client functionality, and you can sign in in just a few seconds with a simple QR code exchange 👀