NIP-97

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+NIP-97
+======
+
+Nostr Login
+-----------
+
+`draft` `optional`
+
+This NIP defines a method for a way for users to prove to apps that they control a certain private key. This can be used to enable login for services like the management panel of image hosts.
+
+## Login URI
+
+A login URI is defined of the format `nostr+login:<domain>:<identifier>` where `domain` MUST be a valid DNS domain or .onion service. The `identifier` MUST only consist of `A-Z a-z 0-9 _ - .`.
+
+This login URI can be presented as a clickable link, a QR code or a copyable string.
+
+## Login process
+
+A client that wishes to log in to a service SHOULD display the domain associated with the service to the end user before allowing them to log in to prevent services showing a login string for another service.
+
+After the user approves the login, the client should send a POST request to `/.well-known/nostr-login` to the `domain` with the `i` query parameter set to the `identifier` and a valid NIP-98 authentication header present.
+
+HTTPS should always be used except for `.onion` services, which should be contacted using HTTP.
+
+Clients MAY or MAY NOT decide to implement support for `.onion` services.