Most card terminals do not have a full computer keyboard with a distinct "Enter" key. When you type your PIN, the system needs to know when you are finished typing. Pressing the pound key sends a signal to the terminal's processor that you have completed your input. It tells the machine, "I am done; please process this code."
The pound key, also known as the hash key, is a symbol (#) found on many debit card keypads. It's usually located on the bottom right-hand side of the keypad. When pressed, it allows you to confirm or verify certain transactions, such as: what is a pound key on a debit card
New users sometimes press # before finishing their PIN. That’s like hitting send on a blank email—it will either error out or ask for your PIN again. Always enter the full PIN first , then # . Most card terminals do not have a full
: In some automated phone banking systems linked to your debit card, the pound key can be used to skip recorded instructions or move to the next step in a process. It tells the machine, "I am done; please process this code