Hacker News new | ask | show | jobs
by nomisssssss 631 days ago
As you know this is imho a cool idea. I'm thinking, what hinders the barista in usecase 1 from using the received simkojn in the cash register?

Isn't some sort of removal of cards from the list necessary?

Maybe I'm missing something...

1 comments

simkojns are cash, reusable