This book provides an overview of the various types of blockchain. Pros and cons of this technology are weighed against real-life business requirements. Beyond technology, Michael Merz shows us both how blockchain projects are tackled by the industry and also how they should better not be conducted. The book puts a spotlight on decentralized trading and how it is applied in the context of the energy sector and other industries. Based on a scenario for the year 2030, Michael shows us the link between the technology, blockchain governance, and how to implement decentralized software applications.Michael Merz received his PhD in computer science while specializing in the field of distributed systems technology. Over the past twenty years, he has developed various business integration platforms. Today, blockchain has become his instrument of choice when implementing decentralized business processes. Based on this experience, Michael is one of the few technology-agnostic experts on both centralized and decentralized solutions."It is a lucky situation for all who are interested in blockchain technology that a proven expert shares his professional and unique experience". Jens Strüker, Fresenius University, Frankfurt"Michael Merz takes us on a wonderful elevator ride: Starting with the hope for change, he helps us comprehend blockchain alternatives, and finally leads us towards an exciting path of digitalization in the energy sector". Christoph Burger, ESMT, Berlin