Explore the Ethereum ecosystem step by step with extensive theory, labs, and live use cases. This book takes you through BlockChain concepts; decentralized applications; Ethereum's architecture; Solidity smart contract programming with examples; and testing, debugging, and deploying smart contracts on your local machine and on the cloud. You'll cover best practices for writing contracts with ample examples to allow you to write high-quality contracts with optimal usage of fuel. In later chapters, Ethereum for Architects and Developers covers use cases from different business areas, such as finance, travel, supply-chain, insurance, and land registry. Many of these sectors are explained with flowcharts, diagrams, and sample code that you can refer to and further enhance in live projects. By the end of the book, you will have enough information to use Ethereum to create value for your business processes and build foolproof data storage for smoother execution of business. What You Will Learn Discover key BlockChain concepts Master the architecture, building blocks, and ecosystem of Ethereum Develop smart contracts from scratch Debug, test, and deploy to test Take advantage of Ethereum in your business area Who This Book Is For BlockChain developers and architects wanting to develop decentralized Ethereum applications or learn its architecture.

Explore the entire R3 Corda ecosystem using theory, labs, and use cases. This book introduces distributed ledger technology, Corda architecture, and smart contract programming in Java, guiding you through testing and deployment. Further, you will explore various business problems in finance, insurance, healthcare, travel, and agriculture and discover how Corda can solve these issues through its unique and efficient distributed ledger technology. These business scenarios come with flowcharts, diagrams, and sample code that stakeholders can refer to and further enhance during live projects. After reading R3 Corda for Architects and Developers, you will understand how efficient usage of Corda can create value for your business processes by making business intelligence more readily available, user friendly, and interactive. What You Will Learn Work with distributed ledger technology Discover Corda's differentiators Develop smart contracts, states, and business flows on Corda Take advantage of Corda in your business by going through case studies in various domains Who This Book Is For Blockchain developers and architects who wish to learn Corda.