What is a bank card reader used for?

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Tags

1. #protection
2. #layer
3. #banking
4. #looking
5. #reader
6. #provide
7. #extra
8. #fraud
9. #against
10. #nutshell
11. #security
12. #online
13. #service
14. #needed
15. #works
16. #customers
17. #device