Here's an even more fun protip from the US chip+pin implementation: You don't need the PIN. On most terminals, using a US debit card (Chase at least), you can

Here's an even more fun protip from the US chip+pin implementation: You don't need the PIN. On most terminals, using a US debit card (Chase at least), you can press the green button without entering a PIN and it lets you through. Doesn't ask for a signature either.