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This doesn't work in the US. Where I live, for a credit card chipcard, the cashier has to finish, then there's a 2-way authentication with the server whereby th
by coin 10y ago
This doesn't work in the US. Where I live, for a credit card chipcard, the cashier has to finish, then there's a 2-way authentication with the server whereby the card has to stay in the reader. This is why the card has to stay out until the very end.
- alkonaut 10y agoI can see the extra security added by having the card in at the time of confirmation - but it seems a pretty heavy price to pay. This certainly isn't worth 10 seconds extra per customer checkout in a supermarket.