What are the examples of a hard token?

Hard tokens include key fobs and smartcards. They are physical security devices that the user can carry with them. A reader can access the data on a smartcard's chip to grant a user access to a computer system or secure location. As part of multifactor authentication, a key fob generates a random number that can be entered into a system every few seconds. While motion sensors are a component of physical security, they are typically utilized in conjunction with alarm systems. Retina scanners are biometric devices because they employ a part of your body as authentication/identification.