Many people around the world are already living in a cashless society. With the dominion of Visa and Mastercard showing no sign of shrinking, it’s vital to scrutinise exactly what this shift means. Brett Scott is an author and former banker, who is deeply committed to evaluating the grave dangers surrounding the removal of cash as a payment system. He sat down with Aaron to talk about bitcoin, gold and the central paradox at the heart of modern libertarianism. You can find Brett’s book here.