All mainstream credit card numbers obey a mathematical trick designed to catch the most common typos. It’s called the Luhn ...

A virtual card number is linked to your credit card account, and is a unique set of 16 numbers, CVV and expiration date that’s instantly generated for one-time use.

It’s basically the same experience as using Chrome Autofill to enter in your credit card details but with an added layer of security. If you give your card number to a vendor and they abuse it ...

Usually, you must enroll your card for a virtual card number first. Once enrolled, you can often add your virtual card as a payment option with a merchant online or in a mobile app.