by Joseph Boyle Agence France-Presse PARIS, France (AFP) — The bitcoin boom spawned new billionaires and videos of beach parties and Lamborghinis. The crypto crash brought devastation for small investors and bankruptcy for many companies. Blockchain technology underpins crypto and has been hailed as a world-changing innovation, but does it have any use beyond creating speculative financial instruments? AFP asked crypto critic Stephen Diehl, author of recently published “Popping the Crypto Bubble”, to run the […]