A virtual credit card is a single-use card number that's randomly generated and attached to your existing credit card account. The card number allows you to make payments using your credit card ...

Meredith Dietz is Lifehacker’s Senior Staff Writer. She earned her bachelor’s degree in English and Communications from Northeastern University, where she graduated as valedictorian of her college.

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What is a virtual credit card and how does it work? A virtual credit card is a single-use card number that's randomly generated and attached to your existing credit card account. The card number ...