Dongying Song Author

Xun (Brian) Wu has over 17 years of extensive hands-on experience in design and development with blockchain, big data, the cloud, UIs, and system infrastructure. Brian is a co-author of Blockchain Quick Start Guide, Hyperledger Cookbook, Security Tokens and Stablecoins Quick Start Guide, Blockchain By Example, and Seven NoSQL Databases in a Week, and is a technical reviewer for more than 50 books for Packt. He owns several patents in the blockchain area. He holds a master's degree in computer science from NJIT. He lives in New Jersey with his two beautiful daughters, Bridget and Charlotte. I would like to thank my parents, wife, and children for their patience and support throughout this endeavor. Zhihong Zou has more than 20 years of software architecture, design, and development experience in the telecommunication and healthcare industries. As a seasoned enterprise and solution architect, and a thought leader in blockchain, business process management, big data, AI, and machine learning, he has leveraged emerging technologies to solve complex real-world business problems. He holds a master's degree in computational mathematics and a master's degree in computer science. He has published several papers on numerical computation in renowned academic journals. I would like to thank my wife Yufang and my son Kevin for their understanding, encouragement, support, and patience throughout this journey. I appreciate all the sacrifices you made so that I could complete the book. Dongying Song has more than four years of extensive hands-on experience in blockchain, Ethereum, big data, machine learning, and data science. As an experienced software engineer and data scientist, she has worked for a top-tier bank and pharmaceutical companies. Dongying holds a master's degree in statistics from Columbia University and majored in mathematics during her undergraduate years. Her recent activities have focused on blockchain, Ethereum, and smart contract developments.