RegTech: Building a Better Financial System 1 1This chapter is derived from a much longer article: Douglas W. Arner, Janos N. Barberis & Ross Buckley, “FinTech, RegTech and the Reconceptualization of Financial Regulation”, 47 Northwestern Journal of International Law and Business (2017).The authors gratefully acknowledge the financial support of the Hong Kong Research Grants Council Theme-based Research Scheme (Enhancing Hong Kong's Future as a Leading International Financial Centre) and the Australian Research Council Linkage Grant Scheme (Regulating a Revolution: A New Regulatory Model for Digital Finance); the substantial input of Dr Cheng-Yun Tsang, and the research assistance of Sarah Webster and Jessica Chapman.