> I don't get why more banks don't let you generate a unique card number per merchant so if it's compromised it affects at most one place. A lot of them do. H

> I don't get why more banks don't let you generate a unique card number per merchant so if it's compromised it affects at most one place. A lot of them do. Here are some examples: https://www.cardbenefits.citi.com/Products/Virtual-Account-Numbers https://www.cardbenefits.citi.com/Products/Virtual-Account-N... https://www.bankofamerica.com/privacy/accounts-cards/shopsafe.go https://www.bankofamerica.com/privacy/accounts-cards/shopsaf...