| UPDATED: 07:00, Fri, Jan 22, 2021 Link copied Sign up for FREE for the biggest new releases, reviews and tech hacks SUBSCRIBE Invalid email When you subscribe we will use the information you provide to send you these newsletters. Sometimes they'll include recommendations for other related newsletters or services we offer. Our Privacy Notice explains more about how we use your data, and your rights. You can unsubscribe at any time. In modern-day Europe’s Early Bronze Age, ancient people were already using metallic pieces as early currency. And new research indicates this nascent form of money was far more sophisticated than first thought.