22 results about "Personal identification number" patented technology

A personal identification number (PIN), or sometimes redundantly a PIN number, is a numeric or alpha-numeric password used in the process of authenticating a user accessing a system. The personal identification number has been the key to flourishing the exchange of private data between different data-processing centers in computer networks for financial institutions, governments, and enterprises. PINs may be used to authenticate banking systems with cardholders, governments with citizens, enterprises with employees, and computers with users, among other uses.