A debit card is a payment card used to access your bank account. You can use a debit card online, at point-of-sale terminals, ATMs and bank branches. Debit card transactions are deducted from your ...

CVV stands for card verification value. It’s a three- or four-digit number found on most debit and credit cards. There are several other acronyms for this security feature within the industry.

Instead of a routing number, credit cards have a 16-digit card number, an expiration date and a CVV for transactions. Credit card transactions require real-time approval and authorization.