In its first years, the bitcoin system has proven impressive, but it has narrow capabilities. It seemed that we would keep whittling away at its constraints, but the situation changed after the introduction of the Ethereum blockchain, which, unlike bitcoin, can be extended to much more than just managing a digital currency. In fact, Ethereum is a general-purpose blockchain that is more suited to describing business logic, through advanced scripts, also known as smart contracts. As you saw in previous chapters, bitcoin scripts are primarily about expressing ownership conditions and payment rules. For instance, the standard pay to pubkey hash script describes a small program that allows a sender to send coins to a receiver identified by a public key; no wonder, as bitcoin was designed as a cash system. In contrast, Ethereum was designed with a broader vision...
Blockchain By Example
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Blockchain By Example
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Overview of this book
The Blockchain is a revolution promising a new world without middlemen. Technically, it is an immutable and tamper-proof distributed ledger of all transactions across a peer-to-peer network. With this book, you will get to grips with the blockchain ecosystem to build real-world projects.
This book will walk you through the process of building multiple blockchain projects with different complexity levels and hurdles. Each project will teach you just enough about the field's leading technologies, Bitcoin, Ethereum, Quorum, and Hyperledger in order to be productive from the outset. As you make your way through the chapters, you will cover the major challenges that are associated with blockchain ecosystems such as scalability, integration, and distributed file management. In the concluding chapters, you’ll learn to build blockchain projects for business, run your ICO, and even create your own cryptocurrency. Blockchain by Example also covers a range of projects such as Bitcoin payment systems, supply chains on Hyperledger, and developing a Tontine Bank Every is using Ethereum.
By the end of this book, you will not only be able to tackle common issues in the blockchain ecosystem, but also design and build reliable and scalable distributed systems.
Table of Contents (13 chapters)
Preface
Free Chapter
Say Hello to Blockchain
Building a Bitcoin Payment System
Building Your Own Cryptocurrency
Peer-to-Peer Auctions in Ethereum
Tontine Game with Truffle and Drizzle
Blockchain-Based Futures System
Blockchains in Business
Creating an ICO
Distributed Storage IPFS and Swarm
Supply Chain on Hyperledger
Letter of Credit (LC) Hyperledger
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