Originally Posted by
Majuki
Originally Posted by
JEFFJAGUAR
I will answer with a definite maybe. All I can tell you that when checking into my hotel in London last year with a chip and signature card, the clerk handed me the pin pad and the first thing it asked is which currency I wished to pay in, sterling or US dollars. I assume that's the first thing that happens in a chip and pin transaction. However, it is possible for certain dishonest merchants to push the "your currency" button before handing you the pin pad. So the answer is a definite maybe.
It also won't help for transactions that don't require a verification method. For instance, many times under $25, $50, or even $100 now at some merchants in the US you don't need to sign for a receipt. If the point-of-sale terminal defaults to your card's denominated currency and the transaction completes without your interaction, you can get DCC without any authorization from you.
Don't Visa/MC require explicit authorization from the terminal?