The PIN originated with the introduction of the automated teller machine (ATM) in 1967, as an efficient way for banks to dispense cash to their … 展开

PIN usage
In the context of a financial transaction, usually both a private "PIN code" and public user identifier are required … 展开

Financial PINs are often four-digit numbers in the range 0000–9999, resulting in 10,000 possible combinations. Switzerland issues six-digit PINs by default.
Some systems set up default PINs and most allow the customer … 展开

Rumours have been in e-mail and Internet circulation claiming that in the event of entering a PIN into an ATM backwards, law enforcement will be instantly alerted as well as money being ordinarily issued as if the PIN had been entered correctly. The intention of this … 展开

A mobile phone may be PIN protected. If enabled, the PIN (also called a passcode) for GSM mobile phones can be between four and eight digits and is recorded in the SIM card. If such a PIN is entered incorrectly three times, the SIM card is blocked until a 展开

• ATM SafetyPIN software
• Campus card
• Transaction authentication number 展开