Touch “Credit Cards”

Well recently I’ve been hearing things like credit cards that , upon touching a machine, it pays. What I’m seeing is that these things will more likely to allow other people to steal from you. Just imagine, you pay by only touching the card to the sensor. Lets just say, you were pick pocketed and that pick pocket use that card. Last time, for one transaction to be totally valid, i.e “Legal”, one must put his/her signature on the receipt. If one could easily tap the card on the sensor, I fail to see the fail safe security to work.

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