WiKID is a two-factor authentication system. It consists of: a PIN, stored in the user's head; a small, lightweight client that encapsulates the private/public keys; and a server that stores the public keys of the client's and the user's PIN. When the use
OpenID is a URL based identity system. An OpenID identity is simply a URL, and all the OpenID specification does is provide a way to securely prove that you own that URL. Unlike most identity systems, OpenID is completely decentralized. The end-user may c