http://www.wikidsystems.net/learn-more/technology WiKID Systems has created an entirely new, patent-pending architecture that fundementally changes the way one-time password systems work. Unlike time-synchronous and counter-based OTP systems, WiKID only generates a code upon reciept of a proper request - the correct PIN, validly encrypted on an active account. This architecture eliminates the need for kludgey patches to check for false codes or clock manipulation or drift. The Request-Response architecture was designed from the ground up for the Internet age. en-us Plone 2.0