Suppose you have an account in bank

Suppose you have an account in bank. You have the urgency of withdrawing cash in context to
this state. How money transaction is done by ATM?

Money transaction in these machines is usually done with the use of ATM card which is accessed only by its authorized user when he or she enter the secret four digit pin number of the card in the money after its insertion to carry out transaction. If the user fails to enter the legal pin number then the money transaction on such machine is impossible. In this manner, this technology is highly safe and secure to reduce the mishaps like robbery, etc.