A personal identification number (PIN) is a set of numeric or alphanumeric characters used for authentication. While typically used in ATMs and point-of-sale card transactions, PINs are also used by operating systems like Windows and macOS.
A personal identification number (PIN) is a set of numeric or alphanumeric characters used for authentication. While typically used in ATMs and point-of-sale card transactions, PINs are also used by operating systems like Windows and macOS.