Editorial Note: Forbes Advisor may earn a commission on sales made from partner links on this page, but that doesn't affect our editors' opinions or evaluations. CVV stands for card verification value ...

You use your credit card on a regular basis to make purchases. While most people know that the numbers on the card are unique identifiers, most of us have no idea what they actually mean. Credit card ...

Discover how the Luhn Algorithm verifies credit card accuracy, supports secure transactions, and helps prevent errors in inputting Social Security numbers.

Liliana Hall was a writer for CNET Money covering banking, credit cards and mortgages. Previously, she wrote about personal credit for Bankrate and CreditCards.com. Some card details on this page may ...

Jaclyn was a CNET Money editor with a fondness for the sweet spot between numbers and words. Overseeing CNET's credit card coverage, she wrote and edited news, reviews and advice. She has experience ...

Kelly-Ann Franklin has spent more than two decades in journalism which has helped her build a wide knowledge base of business and personal finance topics. Her goal with editing is to ensure tough ...

Your credit card number isn’t just a random string of numbers. It identifies the credit card issuer, financial institution and your account. It also validates your card for security purposes. Many or ...

Most of us are curious beings by nature. So, if you’ve been staying awake at night wondering what your credit card number means, it’s your lucky day. I’m going to pull back the curtain and show you ...