Start
This makes your key, an Ed25519 pair that is you on the chain, and locks it with a passkey on this phone. Face ID or your passcode unlocks it; nothing else can.
Your key
An Ed25519 pair. The public half is you on the chain; the private half stays on this phone unless you export it.
Request access
Ask to join the teahouse as a patron. The request is signed with your key, and someone already inside approves it.
Passkey
Your seed
This is the private key. Anyone holding it is you. It's the same 64 hex characters a kot seed file holds.