Millions of businesses process credit card transactions every day, and those businesses need a way to check to see if a credit card is active or not or if it's a fraudulent card. The issuing ...

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 ...

Most of us are curious beings by nature. So, if you've been staying awake at night wondering what your 16-digit credit card number means, it's your lucky day. I'm going to pull back the curtain and ...

Evan Zimmer has been writing about finance for years. After graduating with a journalism degree from SUNY Oswego, he wrote credit card content for Credit Card Insider (now Money Tips) before moving to ...

All mainstream credit card numbers obey a mathematical trick designed to catch the most common typos. It’s called the Luhn algorithm, named after IBM researcher Hans Peter Luhn, who patented it in ...

Aaron Broverman is the Managing Editor of Forbes Advisor Canada. He has almost 20 years of experience writing in the personal finance space for outlets such as Bankrate, Bankrate Canada, ...

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 ...