At the round table discussion on 16 February entitled "Smart Cities, Circular Economy, and Sustainability", in addition to Brian Chi-ang Lin, BC4LS Researcher, Sustainability Professor and Business Consultant at the National Chengchi University Taipei in Taiwan, Gyula Zilahy, Professor and Head of Department of Environmental Economics and Sustainability at the Budapest University of Technology and Economics talked with Dávid Papp, the Head of Policy Unit of the Sustainable Finance Department of Magyar Nemzeti Bank, the central bank of Hungary.