1. Irina Radeva, Associate Professor, Intelligent Systems Department, Institute of Information and Communication Technologies (IICT), Bulgarian academy of sciences, Bulgaria. 2. Education: University of National and World Economy, Sofia, Bulgaria, Finance, Economist, 1995; IICT - Educational and scientific degree "Doctor", 2012. 3. Work experience: a. 2020, Associate Professor at the Trakia University, Bulgaria b. 2017 to present: Associate Professor, Intelligent Systems Department, IICT – BAS c. 2017–2011: Chief Assistant, Intelligent Systems Department, IICT - BAS d. 2011–2007: Research Fellow I degree, Intelligent Systems Department, IICT - BAS e. 2007–2004: Research Fellow II degree, Soft Computing Department, IICT – BAS f. 2001–2010: Lecturer, Department of Business Administration, Master's programme, specializations "Financial Markets and Instruments" and "Money and Capital Markets", New Bulgarian University, Sofia, Bulgaria; g. 2004–2000: Research Fellow III degree, Modelling and Optimization Department, Institute of Information Technologies – Bulgarian academy of sciences, Bulgaria. 4. Current and previous research interests: decision theory; multi-criteria analysis and optimization; economic clustering; risk management and o timization; fuzzy sets theory; intelligent systems; decentralized systems; blockchain technology and applications.