Warsaw School of Economics (SGH) - Department of Economics I, Yildiz Technical University, University of Oradea, University of Milan, CSEF - University of Naples Federico II, University of Twente, West University of Timisoara, Zurich University of Applied Sciences, Poznań University of Economics and Business, York St John University, University of Tirana, University of Tirana - Department of Informatics, A.I. Weinberg Ltd., UCL Centre for Blockchain Technologies, University of Latvia, Università` della Calabria, Geostrategic Institute Global, Bern University of Applied Sciences (BFH) and University of Twente