Horst Treiblmaier is Professor at the Faculty of International Management at MODUL University Vienna, Austria. Previously, he was a Visiting Professor at Purdue University, UCLA and UBC. His work has appeared in journals such as Information Systems Journal, Structural Equation Modeling, Journal of Business Economics, Information & Management, Communications of the AIS, Journal of Electronic Commerce Research and Schmalenbach Business Review. He serves as an AE at AIS Transactions on Human-Computer Interaction. His research interests include Blockchain, gamification, Physical Internet, e-commerce and methodological issues in social science research.Roman Beck is Professor of IT Management and Leadership at the IT University of Copenhagen, Denmark. His research spans the area of Information Systems, focusing on Services Science, IT Leadership and e-finance, including business processes, innovative information and communication systems. He has published in international journals such as MIS Quarterly, Journal of Information Technology and Electronic Markets, and contributed to a number of international conferences in the area of Information Systems.

• Blockchain and Tourism.- Energy Sector.- Blockchain and Internet of Things.- Distributed Ledger Enabled IoT Platforms.- Blockchain and Healthcare.- Sustainable Circular Economy.- Cryptocurrencies and Sustainability.- Societal Changes.- E-Government.- Blockchain and Unbanked.- Smart Contracts.- Intellectual Property.- Blockchain: Basics.