I would think partying until you are unconscious would be more of a concern to you than someone "stealing" your fingerprint.
I know, right. But I'm not perfect and I admit it. I've only passed out from partying twice in 10 years. Those two times happened while trying to keep up with friends in South America. Even girls there can outdrink a regular American. Going there is also "unsafe". But hell, it's fun and we only live once.
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In the US even our Chip and PIN cards are not requiring a PIN at the one place I have been able to use it Walmart.
Jeff, where did you get your Chip and PIN card? In the US, only a few credit unions currently offer "true Chip and PIN" cards, where PIN is the priority. Most US cards are Chip and Signature. Some of these may also have PIN capabilities, but only at unmanned kiosks, etc.
So unless your cc is from one of these credit unions (or Bank of Montreal before they closed their applications), do not expect to be asked for PIN unless you're in an unmanned kiosk in France or something.