导语

  

内容提要

  

    区块链是一种分布式账簿，可以跨多个节点进行复制，同时保持事务的不可变性、透明性以及加密安全存储。区块链技术是加密货币的支柱，它在金融、政府、媒体和几乎所有其他行业都有应用。本书的第2版经过了彻底的更新和修订，详细描述了这一领先技术及其在现实世界中的实现。
    本书从区块链的技术基础入手。讲述了分布式系统的基础知识、加密技术以及如何保护数据安全。你将学习到加密货币背后的机制以及如何使用以太坊(Ethereum)这一去中心化虚拟机开发应用程序。你还将探究其他区块链解决方案，了解Hyperledger下的业务区块链框架。这是一项由Linux基金会主持的、旨在推动区块链技术的协力成果。你也会看到如何实现除货币外的区块链解决方案、带区块链的物联网、区块链可扩展性以及这种引人入胜的强大技术的远景。

    伊姆兰·巴希尔（Imran Bashir）拥有伦敦大学皇家霍洛威学院信息安全专业的科学硕士学位，并具有软件开发、解决方案架构、基础设施管理和IT服务管理的背景，他还是电气与电子工程师协会（IEEE）和英国计算机协会（BCS）的成员。
    Imran在公共和金融领域拥有16年的工作经验。在进入金融服务行业之前，他曾在公共部门负责大型IT项目。在进入金融服务行业之后，他在欧洲金融之都——伦敦的不同金融公司担任过各种技术职务。他目前在伦敦的一家投资银行工作，担任技术部副总裁的职务。

Preface
Chapter 1: Blockchain 101
  The growth of blockchain technology
  Distributed systems
  The history of blockchain and Bitcoin
    Electronic cash
    Blockchain
      Blockchain defined
        Peer-to-peer
        Distributed ledger
        Cryptographically-secure
        Append-only
        Updateable via consensus
    Generic elements of a blockchain
      How blockchain works
      How blockchain accumulates blocks
    Benefits and limitations of blockchain
    Tiers of blockchain technology
    Features of a blockchain
  Types of blockchain
    Distributed ledgers
    Distributed Ledger Technology
    Public blockchains
    Private blockchains
      Semiprivate blockchains
      Sidechains
      Permissionecl ledger
    Shared ledger
    Fully private and proprietary blockchains
    Tokenized blockchains
    Tokenless blockchains
  Consensus
    Consensus mechanism
    Types of consensus mechanisms
    Consensus in blockchain
  CAP theorem and blockchain
  Summary
Chapter 2: Decentralization
  Decentralization using blockchain
  Methods of decentralization
    Disintermediation
    Contest-driven decentralization
  Routes to decentralization
    How to decentralize
    The decentralization framework example
  Blockchain and full ecosystem decentralization
    Storage
    Communication
    Computing power and decentralization
  Smart contracts
  Decentralized Organizations
    Decentralized Autonomous Organizations
    Decentralized Autonomous Corporations
    Decentralized Autonomous Societies
    Decentralized Applications (DApps)
    Requirements of a Decentralized Application
    Operations of a DApp
      DApp examples
        KYC-Chain
        OpenBazaar
        Lazooz
  Platforms for decentralization
    Ethereum
    MaidSafe
    Lisk
  Summary
Chapter 3: Symmetric Cryptography
  Working with the OpenSSL command line
  Introduction
    Mathematics
      Set
      Group
      Field
      A finite field
      Order
      An abelian group
      Prime fields
      Ring
      A cyclic group
      Modular arithmetic
    Cryptography
    Confidentiality
    Integrity
    Authentication
Chapter 4: Public Key Cryptpgraphy
Chapter 5: Introducing Bitcoin
Chapter 6: Bitcoin Network and Payments
Chapter 7: Bitcoin Clients and APIs
Chapter 8: Alternative Coins
Chapter 9: Smart Contracts
Chapter 10: Ethereum 101
Chapter 11: Further Ethereum
Chapter 12: Ethereum Development Environmrnt
Chapter 13: Development Tools and Frameworks
Chapter 14: Introducing Web3
Chapter 15: Hyperledger
Chapter 16: Alternative Blockchains
Chapter 17: Blockchain - Outside of Currencies
Chapter 18: Scalability and Other Challenges
Chapter 19: Current Landscape and What's next
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Index