“Currently, US consumers primarily rely on swipe-and-sign credit cards, which give card details to a merchant through the magnetic stripe on the back. But because the swipe-and-sign system became overburdened with instances of fraud, MasterCard, Visa, and other financial groups decided in 2012 that they would transition their systems to a chip-based setup called EMV (eponymous for EuroPay, MasterCard, and Visa, the three primary developers of the standard) by October 2015.”
They’re more than a decade old; I’ve been using them since 1992 in France. https://en.wikipedia.org/wiki/Carte_Bleue
The biggest problem with these cards is that criminals sometimes put skimmers on ATMs that get your card info, and they watch from afar with binoculars to see the PIN you type in. You really have to hide your PIN to be safe.