Invitations - cybergizer-hq/alfred GitHub Wiki

Additional authentication using Yandex, Alfred provides entry using personal invitations by mail.

To create an invitation for another user, you need to enter the user's mail and Alfred will receive a one-time link to sign into Alfred account by email. Alfred generates a token for invited user with Devise.friendly_token.first(16).

You can also invite yourself. For this, your email must be in the Alfred database.