Hamad Bin Khalifa University, Education City - Gate 8, Ar-Rayyan, Doha, Qatar; Centre for Blockchain Technologies, the University College London, Gower St, London WC1E 6BT, United Kingdom
Ahmet Semih Tunali
Department of Economics, Middle East Technical University, Dumlupınar Blv. 1/6 D:133, 06800 Çankaya/Ankara, Turkiye
Giray Gozgor
School of Management, University of Bradford, Richmond Rd, Bradford BD7 1DP, United Kingdom; Faculty of Political Sciences, Istanbul Medeniyet University, Istanbul, Turkey; Corresponding author.
