• Cover (1)
• Copyright (4)
• Table of Contents (7)
• Preface (15)
  • Writing the Bitcoin Book (15)
  • Intended Audience (15)
  • Why Are There Bugs on the Cover? (16)
  • Conventions Used in This Book (16)
  • Code Examples (17)
  • Using Code Examples (18)
  • Bitcoin Addresses and Transactions in This Book (18)
  • O’Reilly Safari (19)
  • How to Contact Us (19)
  • Contacting the Author (20)
  • Acknowledgments (20)
    • Early Release Draft (GitHub Contributions) (22)
• Quick Glossary (25)
• Chapter 1. Introduction (35)
  • What Is Bitcoin? (35)
  • History of Bitcoin (38)
  • Bitcoin Uses, Users, and Their Stories (39)
  • Getting Started (40)
    • Choosing a Bitcoin Wallet (40)
    • Quick Start (42)
    • Getting Your First Bitcoin (44)
    • Finding the Current Price of Bitcoin (45)
    • Sending and Receiving Bitcoin (46)
• Chapter 2. How Bitcoin Works (49)
  • Transactions, Blocks, Mining, and the Blockchain (49)
    • Bitcoin Overview (49)
    • Buying a Cup of Coffee (50)
  • Bitcoin Transactions (52)
    • Transaction Inputs and Outputs (52)
    • Transaction Chains (53)
    • Making Change (54)
    • Common Transaction Forms (55)
  • Constructing a Transaction (56)
    • Getting the Right Inputs (56)
    • Creating the Outputs (58)
    • Adding the Transaction to the Ledger (59)
  • Bitcoin Mining (60)
  • Mining Transactions in Blocks (61)
  • Spending the Transaction (63)
• Chapter 3. Bitcoin Core: The Reference Implementation (65)
  • Bitcoin Development Environment (66)
  • Compiling Bitcoin Core from the Source Code (66)
    • Selecting a Bitcoin Core Release (67)
    • Configuring the Bitcoin Core Build (68)
    • Building the Bitcoin Core Executables (71)
  • Running a Bitcoin Core Node (72)
    • Running Bitcoin Core for the First Time (73)
    • Configuring the Bitcoin Core Node (73)
  • Bitcoin Core Application Programming Interface (API) (77)
    • Getting Information on the Bitcoin Core Client Status (78)
    • Exploring and Decoding Transactions (79)
    • Exploring Blocks (81)
    • Using Bitcoin Core’s Programmatic Interface (82)
  • Alternative Clients, Libraries, and Toolkits (85)
    • C/C++ (86)
    • JavaScript (86)
    • Java (86)
    • Python (86)
    • Ruby (87)
    • Go (87)
    • Rust (87)
    • C# (87)
    • Objective-C (87)
• Chapter 4. Keys, Addresses (89)
  • Introduction (89)
    • Public Key Cryptography and Cryptocurrency (90)
    • Private and Public Keys (91)
    • Private Keys (92)
    • Public Keys (94)
    • Elliptic Curve Cryptography Explained (94)
    • Generating a Public Key (97)
  • Bitcoin Addresses (98)
    • Base58 and Base58Check Encoding (100)
    • Key Formats (104)
  • Implementing Keys and Addresses in Python (110)
  • Advanced Keys and Addresses (114)
    • Encrypted Private Keys (BIP-38) (114)
    • Pay-to-Script Hash (P2SH) and Multisig Addresses (115)
    • Vanity Addresses (116)
    • Paper Wallets (122)
• Chapter 5. Wallets (127)
  • Wallet Technology Overview (127)
    • Nondeterministic (Random) Wallets (128)
    • Deterministic (Seeded) Wallets (129)
    • HD Wallets (BIP-32/BIP-44) (130)
    • Seeds and Mnemonic Codes (BIP-39) (131)
    • Wallet Best Practices (131)
    • Using a Bitcoin Wallet (132)
  • Wallet Technology Details (133)
    • Mnemonic Code Words (BIP-39) (133)
    • Creating an HD Wallet from the Seed (140)
    • Using an Extended Public Key on a Web Store (144)
• Chapter 6. Transactions (151)
  • Introduction (151)
  • Transactions in Detail (151)
    • Transactions—Behind the Scenes (152)
  • Transaction Outputs and Inputs (153)
    • Transaction Outputs (155)
    • Transaction Inputs (157)
    • Transaction Fees (160)
    • Adding Fees to Transactions (163)
  • Transaction Scripts and Script Language (165)
    • Turing Incompleteness (165)
    • Stateless Verification (166)
    • Script Construction (Lock + Unlock) (166)
    • Pay-to-Public-Key-Hash (P2PKH) (170)
  • Digital Signatures (ECDSA) (172)
    • How Digital Signatures Work (173)
    • Verifying the Signature (175)
    • Signature Hash Types (SIGHASH) (175)
    • ECDSA Math (177)
    • The Importance of Randomness in Signatures (179)
  • Bitcoin Addresses, Balances, and Other Abstractions (179)
• Chapter 7. Advanced Transactions and Scripting (183)
  • Introduction (183)
  • Multisignature (183)
  • Pay-to-Script-Hash (P2SH) (185)
    • P2SH Addresses (187)
    • Benefits of P2SH (188)
    • Redeem Script and Validation (188)
  • Data Recording Output (RETURN) (189)
  • Timelocks (191)
    • Transaction Locktime (nLocktime) (191)
    • Check Lock Time Verify (CLTV) (192)
    • Relative Timelocks (194)
    • Relative Timelocks with nSequence (194)
    • Relative Timelocks with CSV (196)
    • Median-Time-Past (196)
    • Timelock Defense Against Fee Sniping (197)
  • Scripts with Flow Control (Conditional Clauses) (198)
    • Conditional Clauses with VERIFY Opcodes (199)
    • Using Flow Control in Scripts (200)
  • Complex Script Example (201)
• Chapter 8. The Bitcoin Network (205)
  • Peer-to-Peer Network Architecture (205)
  • Node Types and Roles (206)
  • The Extended Bitcoin Network (207)
  • Bitcoin Relay Networks (210)
  • Network Discovery (210)
  • Full Nodes (214)
  • Exchanging “Inventory” (215)
  • Simplified Payment Verification (SPV) Nodes (217)
  • Bloom Filters (219)
    • How Bloom Filters Work (220)
  • How SPV Nodes Use Bloom Filters (223)
  • SPV Nodes and Privacy (224)
  • Encrypted and Authenticated Connections (225)
    • Tor Transport (225)
    • Peer-to-Peer Authentication and Encryption (225)
  • Transaction Pools (226)
• Chapter 9. The Blockchain (229)
  • Introduction (229)
  • Structure of a Block (230)
  • Block Header (231)
  • Block Identifiers: Block Header Hash and Block Height (231)
  • The Genesis Block (232)
  • Linking Blocks in the Blockchain (234)
  • Merkle Trees (235)
  • Merkle Trees and Simplified Payment Verification (SPV) (241)
  • Bitcoin’s Test Blockchains (241)
    • Testnet—Bitcoin’s Testing Playground (242)
    • Segnet—The Segregated Witness Testnet (244)
    • Regtest—The Local Blockchain (244)
  • Using Test Blockchains for Development (245)
• Chapter 10. Mining and Consensus (247)
  • Introduction (247)
    • Bitcoin Economics and Currency Creation (249)
  • Decentralized Consensus (251)
  • Independent Verification of Transactions (252)
  • Mining Nodes (253)
  • Aggregating Transactions into Blocks (254)
    • The Coinbase Transaction (255)
    • Coinbase Reward and Fees (257)
    • Structure of the Coinbase Transaction (258)
    • Coinbase Data (259)
  • Constructing the Block Header (261)
  • Mining the Block (262)
    • Proof-of-Work Algorithm (262)
    • Target Representation (269)
    • Retargeting to Adjust Difficulty (269)
  • Successfully Mining the Block (271)
  • Validating a New Block (272)
  • Assembling and Selecting Chains of Blocks (273)
    • Blockchain Forks (274)
  • Mining and the Hashing Race (281)
    • The Extra Nonce Solution (283)
    • Mining Pools (284)
  • Consensus Attacks (287)
  • Changing the Consensus Rules (290)
    • Hard Forks (290)
    • Hard Forks: Software, Network, Mining, and Chain (292)
    • Diverging Miners and Difficulty (293)
    • Contentious Hard Forks (294)
    • Soft Forks (295)
    • Criticisms of Soft Forks (296)
  • Soft Fork Signaling with Block Version (296)
    • BIP-34 Signaling and Activation (297)
    • BIP-9 Signaling and Activation (298)
  • Consensus Software Development (300)
• Chapter 11. Bitcoin Security (303)
  • Security Principles (303)
    • Developing Bitcoin Systems Securely (304)
    • The Root of Trust (305)
  • User Security Best Practices (306)
    • Physical Bitcoin Storage (307)
    • Hardware Wallets (307)
    • Balancing Risk (307)
    • Diversifying Risk (308)
    • Multisig and Governance (308)
    • Survivability (308)
  • Conclusion (308)
• Chapter 12. Blockchain Applications (309)
  • Introduction (309)
  • Building Blocks (Primitives) (310)
  • Applications from Building Blocks (312)
  • Colored Coins (312)
    • Using Colored Coins (313)
    • Issuing Colored Coins (314)
    • Colored Coins Transactions (314)
  • Counterparty (317)
  • Payment Channels and State Channels (318)
    • State Channels—Basic Concepts and Terminology (319)
    • Simple Payment Channel Example (320)
    • Making Trustless Channels (323)
    • Asymmetric Revocable Commitments (326)
    • Hash Time Lock Contracts (HTLC) (330)
  • Routed Payment Channels (Lightning Network) (331)
    • Basic Lightning Network Example (332)
    • Lightning Network Transport and Routing (335)
    • Lightning Network Benefits (337)
  • Conclusion (338)
• Appendix A. The Bitcoin Whitepaper by Satoshi Nakamoto (339)
  • Bitcoin - A Peer-to-Peer Electronic Cash System (339)
    • Introduction (340)
    • Transactions (340)
    • Timestamp Server (341)
    • Proof-of-Work (342)
    • Network (343)
    • Incentive (343)
    • Reclaiming Disk Space (344)
    • Simplified Payment Verification (344)
    • Combining and Splitting Value (345)
    • Privacy (346)
    • Calculations (346)
    • Conclusion (349)
    • References (349)
  • License (350)
• Appendix B. Transaction Script Language Operators, Constants, and Symbols (351)
• Appendix C. Bitcoin Improvement Proposals (357)
• Appendix D. Segregated Witness (363)
• Appendix E. Bitcore (377)
  • Bitcore’s Feature List (377)
  • Bitcore Library Examples (378)
    • Prerequisities (378)
    • Wallet Examples using bitcore-lib (378)
• Appendix F. pycoin, ku, and tx (381)
  • Key Utility (KU) (381)
    • Transaction Utility (TX) (387)
• Appendix G. Bitcoin Explorer (bx) Commands (391)
  • Examples of bx Command Use (393)
• Index (395)
• About the Author (404)
• Colophon (404)
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