Ideally, you don't store credit card numbers at all. If you need to do recurring billing, there are platforms that will do it for you, otherwise, process the tr

Ideally, you don't store credit card numbers at all. If you need to do recurring billing, there are platforms that will do it for you, otherwise, process the transaction and remove the number from your system. Storing this kind of info securely and in PCI compliance is not trivial, and takes engineering resources that are better used on something that will distinguish your product from competition.