Credit cards are more than just convenient payment methods, they’re a culmination of decades of technological innovation, some of which have surprising origins. As Veritasium explores, the magnetic stripe, EMV chip and NFC systems that power modern transactions owe their existence, in part, to espionage breakthroughs during the Cold War. For instance, the Soviet-engineered listening device known as “The Thing” introduced principles of passive, battery-free communication that later influenced RFID technology. These advancements, initially designed for covert operations, now underpin the security and functionality of everyday financial systems. In this deep dive, you’ll uncover how magnetic stripes transformed payment processing while exposing vulnerabilities like card skimming and how EMV chips addressed these risks with dynamic encryption. You’ll also explore the rise of contactless NFC payments, which balance speed with security and learn about ongoing threats such as digital pickpocketing. By understanding the evolution of credit card technology, you’ll gain insight into the delicate balance between innovation and security that shapes how we pay today. How Espionage Shaped Payment Technology TL;DR Key Takeaways : Modern payment …