“Every time you make a purchase, a temporary card number is generated and used” This is a common misconception. Every device receives a unique DAN, but when mu

“Every time you make a purchase, a temporary card number is generated and used” This is a common misconception. Every device receives a unique DAN, but when multiple transactions happen across time using the same device, the merchant will receive the same DAN. This allows individual devices to easily be invalidated by the issuer, but it doesn’t really provide much privacy benefit from, say, merchants aggregating personal information based on your purchasing patterns.