How would you design a payment system consisting of Owner, Smart card, Card Acceptor Device, and Bank?

QuestionsCategory: QuestionsHow would you design a payment system consisting of Owner, Smart card, Card Acceptor Device, and Bank?
Mie asked 5 months ago

Security in Embedded systems question:
How would you design a payment system consisting of Owner, Smart card, Card Acceptor Device, and Bank?
(Show possible sequence of messages and main contents of them)
This is not a programming assignment, but more explaining the process when someone pays for something in a supermarket..
What processes will take action..