Concepts
Magic Link
A sign-in link, commonly delivered by email, that lets its holder prove access without typing a conventional account password. It should be short-lived and usable only as intended by the authentication flow. Mailbox access and token handling are central to its security; passwordless does not automatically mean two-factor or phishing-resistant.
Reviewed
Sources
Member lesson
The definition and sources are public. The complete practical lesson is for members.