Computer · True or False?
The answer is True.
It is a short numeric (sometimes alphanumeric) passcode used to authenticate a user's identity when accessing a system, most commonly for ATM and POS transactions on debit and credit cards. The PIN concept was patented by Scottish engineer James Goodfellow in May 1966, and his encrypted-card-plus-PIN design became the system used around the world today. The standard 4-digit length is reportedly because ATM pioneer John Shepherd-Barron's wife could only remember four digits.