#multiidentity

Short answer: treat login methods as recoverable credentials, not disposable profile fields. A...

Short answer: treat every login method as a revocable ledger entry, and refuse deletion when it would...

Short answer: treat the multi-identity account page as a security-sensitive view over a server-owned...

The page that fails first is usually the account page, not the login form. A person adds a phone...

Short answer: model every login method as a separately verified, auditable, reversible state...