In the theoretical field, this book presents innovative concepts and models that elucidate the dynamics and implications of digitalization across diverse socio-economic systems. Additionally, from a practical perspective, the book offers real-world examples and case studies that illustrate successful strategies for implementing digital technologies and their contributions to the sustainable development of various industries. In recent years, digital economy has become a key driver, which fosters growth of various systems. The COVID-19 pandemic has additionally boosted this process and resulted in higher effectiveness of both formal and informal institutes, structural changes on labour market, new opportunities for social mobility, new markets, new forms of interaction between government, individuals, and enterprises. On the other hand, these processes entailed significant challenges among which are digital divide, cyber security, high costs of process digitalization, etc. This book is designed for researchers, educators, students, and practitioners interested in acquiring profound insights into the contemporary processes of digital transformation and their impact on socio-economic and technical systems.