One needs to bear in mind that technology-related improvements have been a hot topic over the past few years around the globe. Traditional financial services have been rendered more globally, more cheaply, more accessible, more easily and more quickly by virtue of digital service providers. In a nutshell, FinTech has been undergoing a major transformation that also directly changes our lives. It is a living phenomenon. Tech-owned payment systems revolutionize and reshape the whole financial environment all over the world. The main intention of this book is to present a comprehensive FinTech guidance to all interested parties, especially entrepreneurs, investors and competent national authorities. It is intended to clarify the changing nature and current structure of contactless payment systems. Although tech-driven models support the facilitation of economic growth and improvement of financial inclusion on the global scale, they give rise to severe hardships in terms of financial...