Researchers invent low-cost alternative to Bitcoin
September 30, 2019 by Celia Luterbacher, Ecole Polytechnique Federale de Lausanne The cryptocurrency Bitcoin is limited by its astronomical electricity consumption and outsized carbon footprint. A nearly zero-energy alternative sounds too good to be true, but as School of Computer and Communication Sciences (IC) Professor Rachid Guerraoui explains, it all comes down to our understanding of what makes transactions secure.
