Originally Posted by
jp1
For what it’s worth most, although definitely not all, but definitely the big guys like amazon, places that store your payment information use a process called tokenization. In a simplified nutshell what that means is that they don’t have your actual credit card info stored but instead have a random number stored that their payment processor uses to link back to your credit card. That random number is useless to anyone other than that specific merchant. If one is a frequent purchaser of stuff from a particular merchant it’s actually safer to have them store the card than it is to put it in new every time.