π² On iPhone: tap Share β Add to Home Screen first, then open the app from your home screen and set up there. (The installed app has its own storage β an identity made in Safari won't carry over.)
β invite link detected β pick your id and passphrase.
Invite-only. Private keys are generated with WebCrypto, encrypted with your passphrase (PBKDF2 600k β AES-256-GCM) and kept on this device only. Only public keys are published.
Only people you invite can join. Each link works once and expires in 7 days.