Taking up the fact that Tesla first decided to accept Bitcoin payments and then revised that decision again with reference to environmental reasons, we discuss in this episode the huge CO2 footprint of Bitcoins and its underlying reasons as well as future solutions. Our invited expert for this discussion is Dominic Deuber from the Chair of Applied Cryptography at the FAU Erlangen-Nuremberg, Germany. He is a member of an international team of researchers that studies the technology and impact ...