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.