From the perspective of outstanding domestic securities firms and financial technology companies, this book focuses on presenting cutting-edge theories and practical cases in the digital construction of securities institutions, exploring new technologies, new applications, new scenarios, new models and new products in the securities industry, sharing industry development experience in the form of industry analysis, topic reviews, case interpretations, etc., And telling the innovative story of securities technology serving traditional finance. This book aims to provide reference for the continuous innovation and development of my country's financial system and promote the technological process of the securities industry.