About the authors

Xun (Brian) Wu is an author, software architect, and advisor with over 17 years' extensive hands-on experience in blockchain design and development, big data, AI, the cloud, UIs, and system infrastructures. He has worked for top investment banks including J.P. Morgan, Citigroup, and Bank of America. He is a coauthor of Blockchain Quick Start Guide, Blockchain By Example, and Seven NoSQL Databases in a Week, and has worked as a technical reviewer on over 50 technical computer books for Packt. He owns several blockchain patents, and currently serves as a board advisor for several blockchain start-up companies. Brian holds an NJIT computer science master's degree. He lives in New Jersey with his two beautiful daughters, Bridget and Charlotte.

Chuanfeng Zhang is enthusiastic and passionate about technologies and trading and data analysis, with 20 years' experience in both the technology and finance sectors. He has worked at top investment banks and technology firms including Goldman Sachs, Credit Suisse, and IBM. He has led, designed, and successfully developed many enterprise-scale systems with diverse architectures for algorithmic trading, order management, risk management, business intelligence, and more.

Andrew Zhang is an IBM Watson Cloud Advocate. He has many years of experience in cloud platforms, big data analytics, and machine learning. He works with start-ups and enterprise clients in the government, education, healthcare, and life science industries. His current interests are in embedding AI and blockchain open source technologies for consumer and enterprise applications. In his spare time, Andrew enjoys reading, traveling, and spending time with his family and friends.