About this book

Blockchain is a decentralized ledger that maintains a continuously growing list of data records that are secured from tampering and revision. Every user is allowed to connect to the network, send new transactions to it, verify transactions, and create new blocks, making it permission-less.

This book will teach you what Blockchain is, how it maintains data integrity, and how to create real-world Blockchain projects using Ethereum. With interesting real-world projects, you will learn how to write smart contracts which run exactly as programmed without any chance of fraud, censorship, or third-party interference, and build end-to-end applications for Blockchain.

You will learn about concepts such as cryptography in cryptocurrencies, ether security, mining , smart contracts, solidity, and more. You will also learn about web sockets, various API services for Ethereum, and much more.

The blockchain is the main technical innovation of bitcoin, where it serves as the public ledger for bitcoin transactions.

关于此书

区块链是一个去中心化的账本，它维护着一个持续增长的数据记录列表，这些记录是安全的，不会被篡改和修改。每个用户都被允许连接到网络，向其发送新的交易，验证交易，并创建新的区块，使其成为无权限的。

本书将教你什么是区块链，它如何保持数据的完整性，以及如何使用Ethereum创建真实世界的区块链项目。通过有趣的真实世界项目，你将学习如何编写完全按照程序运行的智能合约，没有任何欺诈、审查或第三方干扰的机会，并为区块链构建端到端的应用程序。

你将学习加密货币中的密码学、以太坊安全、采矿、智能合约、solidity等概念。你还将学习网络套接字，以太坊的各种API服务，以及更多。

区块链是比特币的主要技术创新，它作为比特币交易的公共账本。