Alex Norta, Ph.D., is currently an associate professor at the Department of Software Science at Tallinn University of Technology. He runs the Blockchain Technology Group as primary investigator and also heads the IEEE Blockchain section for Estonia. Alex was earlier a researcher at the Oulu University Secure-Programming Group (OUSPG) after having been a postdoctoral researcher at the University of Helsinki, Finland. He received his M.Sc. degree (2001) from the Johannes Kepler University of Linz, Austria and his Ph.D. degree (2007) from the Eindhoven University of Technology, The Netherlands. His Ph.D. thesis was partly financed by the IST project CrossWork, in which he focused on developing the eSourcing concept for dynamic inter-organizational business process collaboration. His research interests include blockchain technology, smart contracts, multi-agent systems, security, business-process collaboration, workflow management, ebusiness transactions, service-oriented computing, software architectures and software engineering, ontologies, mashups, social web. For the blockchain-tech startups Qtum.org, Agrello.org and Everex.io, CEDEX.com, Datawallet.com, etc. Alex has worked on their respective whitepapers. Alex also serves as an advisor for several other blockchain-tech startups such as Cashaa and RecordGram.