undefined | Better HN

0 pointstedivm2y ago0 comments

These days when you buy alcohol there's a good chance that data is being stored. A lot of restaurants and stores that sell alcohol scan or swipe cards as part of the purchase now.

Just one example: https://okcfox.com/news/local/cyber-security-experts-be-wary...

0 comments

no_time2y ago

I wonder if merely paying with your credit card leaves a monetizable paper trail.

Does anyone know if Mastercard gets any data relating to whats actually being purchased? Or does the store get a globally unique ID to associate with every purchase made with a specific card?

j / k navigate · click thread line to collapse

0 comments

no_time2y ago

I wonder if merely paying with your credit card leaves a monetizable paper trail.

Does anyone know if Mastercard gets any data relating to whats actually being purchased? Or does the store get a globally unique ID to associate with every purchase made with a specific card?

j / k navigate · click thread line to collapse