What does OpenID provide?Digital signaturesCertificate signingAuthentication delegation

OpenID provides Authentication Delegation. This means it allows you to use an existing account to sign in to multiple websites, without needing to create new passwords.

Here's a step-by-step explanation:

1. OpenID is a protocol that allows users to be authenticated in a decentralized manner. It eliminates the need for webmasters to provide their own ad hoc login systems, and allows users to log in to multiple unrelated websites without having to have a separate identity and password for each.

2. The user creates an OpenID (for example, through a service like Google or Yahoo). This OpenID could be something like username.example.com or [email protected].

3. When the user visits a website