Access control, without auth code
Decide who gets in.
Claim a name, choose what people must present, and save. What you pick is published where your users can read it before they sign up — and changing it later costs a transaction, not a deploy.
Your wallet
The record belongs to you. We hold no key that could edit it, which is the point.
Name your app
It becomes <name>.app.yuin.eth, and anyone can read its rules from there.