Third edition changelog

third_edition_changes.asciidoc

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+== Third Edition Changes
+
+=== 1. Introduction
+
+* Bitcoin Uses, Users, and Their Stories
+
+	Minor changes to the stories, updating to reflect current common uses and current price
+
+=== 2. How Bitcoin Works
+
+* Buying a [line-through]#Cup of Coffee# Laptop
+
+	Updated Alice and Bob's story. Buying a cup of coffee is no longer sensible "on-chain", due to the value of Bitcoin and on-chain fees. Instead, small retail purchases are now a use-case for the Lightning Network. In the updated story, Alice is buying a laptop from an e-commerce store run by Bob.
+
+* Bitcoin Transactions
+
+	Updated all the transactions to use native-Segwit addresses that start with "bc1", instead of legacy bitcoin addresses that start with "1".
+
+* Transaction Inputs and Outputs
+* Transaction Chains
+* Making Change
+* Common Transaction Forms
+* Constructing a Transaction
+* Getting the Right Inputs
+* Creating the Outputs
+* Adding the Transaction to the Ledger
+* Bitcoin Mining
+* Mining Transactions in Blocks
+* Spending the Transaction
+
+=== 3. Bitcoin Core: The Reference Implementation
+* Bitcoin Development Environment
+* Compiling Bitcoin Core from the Source Code
+* Selecting a Bitcoin Core Release
+* Configuring the Bitcoin Core Build
+* Building the Bitcoin Core Executables
+* Running a Bitcoin Core Node
+* Configuring the Bitcoin Core Node
+* Bitcoin Core Application Programming Interface (API)
+* Getting Information on the Bitcoin Core Client Status
+* Exploring and Decoding Transactions
+* Exploring Blocks
+* Using Bitcoin Core’s Programmatic Interface
+* Alternative Clients, Libraries, and Toolkits
+* C/C++
+* JavaScript
+* Java
+* PHP
+* Python
+* Ruby
+* Go
+* Rust
+* C#
+* Objective-C
+=== 4. Keys, Addresses
+* Introduction
+* Public Key Cryptography and Cryptocurrency
+* Private and Public Keys
+* Private Keys
+* Public Keys
+* Elliptic Curve Cryptography Explained
+* Generating a Public Key
+* Bitcoin Addresses
+* Base58 and Base58Check Encoding
+* Key Formats
+* Implementing Keys and Addresses in C++
+* Implementing Keys and Addresses in Python
+* Advanced Keys and Addresses
+* Encrypted Private Keys (BIP-38)
+* Pay-to-Script Hash (P2SH) and Multisig Addresses
+* Vanity Addresses
+* Paper Wallets
+=== 5. Wallets
+* Wallet Technology Overview
+* Nondeterministic (Random) Wallets
+* Deterministic (Seeded) Wallets
+* HD Wallets (BIP-32/BIP-44)
+* Seeds and Mnemonic Codes (BIP-39)
+* Wallet Best Practices
+* Using a Bitcoin Wallet
+* Wallet Technology Details
+* Mnemonic Code Words (BIP-39)
+* Creating an HD Wallet from the Seed
+* Using an Extended Public Key on a Web Store
+=== 6. Transactions
+* Introduction
+* Transactions in Detail
+* Transactions—Behind the Scenes
+* Transaction Outputs and Inputs
+* Transaction Outputs
+* Transaction Inputs
+* Transaction Fees
+* Adding Fees to Transactions
+* Transaction Scripts and Script Language
+* Turing Incompleteness
+* Stateless Verification
+* Script Construction (Lock + Unlock)
+* Pay-to-Public-Key-Hash (P2PKH)
+* Digital Signatures (ECDSA)
+* How Digital Signatures Work
+* Verifying the Signature
+* Signature Hash Types (SIGHASH)
+* ECDSA Math
+* The Importance of Randomness in Signatures
+* *NEW: Schnorr Signatures*
+*
+Bitcoin Addresses, Balances, and Other Abstractions
+=== 7. Advanced Transactions And Scripting
+* Introduction
+* Multisignature
+* Pay-to-Script-Hash (P2SH)
+* P2SH Addresses
+* Benefits of P2SH
+* Redeem Script and Validation
+* Data Recording Output (RETURN)
+* Timelocks
+* Transaction Locktime (nLocktime)
+* Check Lock Time Verify (CLTV)
+* Relative Timelocks
+* Relative Timelocks with nSequence
+* Relative Timelocks with CSV
+* Median-Time-Past
+* Timelock Defense Against Fee Sniping
+* Scripts with Flow Control (Conditional Clauses)
+* Conditional Clauses with VERIFY Opcodes
+* Using Flow Control in Scripts
+* Complex Script Example
+* Segregated Witness
+* Why Segregated Witness?
+* How Segregated Witness Works
+* Soft Fork (Backward Compatibility)
+* Segregated Witness Output and Transaction Examples
+* Upgrading to Segregated Witness
+* Segregated Witness’ New Signing Algorithm
+* Economic Incentives for Segregated Witness
+* *NEW: Segwit v1: Taproot*
+* *NEW: MAST *
+* *NEW: Tapscript*
+* *NEW: Taproot *
+=== 8. The Bitcoin Network
+* Peer-to-Peer Network Architecture
+* Node Types and Roles
+* The Extended Bitcoin Network
+* Bitcoin Relay Networks
+* Network Discovery
+* Full Nodes
+* Exchanging “Inventory”
+* Simplified Payment Verification (SPV) Nodes
+* Bloom Filters
+* How Bloom Filters Work
+* How SPV Nodes Use Bloom Filters
+* SPV Nodes and Privacy
+* NEW Neutrino
+* NEW Compact Blocks
+* Encrypted and Authenticated Connections
+* Tor Transport
+* Peer-to-Peer Authentication and Encryption
+* Transaction Pools
+=== 9. The Blockchain
+* Introduction
+* Structure of a Block
+* Block Header
+* Block Identifiers: Block Header Hash and Block Height
+* The Genesis Block
+* Linking Blocks in the Blockchain
+* Merkle Trees
+* Merkle Trees and Simplified Payment Verification (SPV)
+* Bitcoin’s Test Blockchains
+* Testnet—Bitcoin’s Testing Playground
+* Segnet—The Segregated Witness Testnet
+* Regtest—The Local Blockchain
+* *NEW: Signet - The POA Test Blockchain*
+* Using Test Blockchains for Development
+=== 10. Mining And Consensus
+* Introduction
+* Bitcoin Economics and Currency Creation
+* Decentralized Consensus
+* Independent Verification of Transactions
+* Mining Nodes
+* Aggregating Transactions into Blocks
+* The Coinbase Transaction
+* Coinbase Reward and Fees
+* Structure of the Coinbase Transaction
+* Coinbase Data
+* Constructing the Block Header
+* Mining the Block
+* Proof-of-Work Algorithm
+* Target Representation
+* Retargeting to Adjust Difficulty
+* Successfully Mining the Block
+* Validating a New Block
+* Assembling and Selecting Chains of Blocks
+* Blockchain Forks
+* Mining and the Hashing Race
+* The Extra Nonce Solution
+* Mining Pools
+* Consensus Attacks
+* Changing the Consensus Rules
+* Hard Forks
+* Hard Forks: Software, Network, Mining, and Chain
+* Diverging Miners and Difficulty
+* Contentious Hard Forks
+* Soft Forks
+* Criticisms of Soft Forks
+* Soft Fork Signaling with Block Version
+* BIP-34 Signaling and Activation
+* BIP-9 Signaling and Activation
+* NEW BIP-8 Activation
+* *NEW: Speedy Trial Activation*
+* Consensus Software Development
+=== 11. Bitcoin Security
+* Security Principles
+* Developing Bitcoin Systems Securely
+* The Root of Trust
+* User Security Best Practices
+* Physical Bitcoin Storage
+* Hardware Wallets
+* Balancing Risk
+* Diversifying Risk
+* Multisig and Governance
+* Survivability
+* Conclusion
+=== 12. Blockchain Applications
+* Introduction
+* Building Blocks (Primitives)
+* Applications from Building Blocks
+* Colored Coins
+* Using Colored Coins
+* Issuing Colored Coins
+* Colored Coins Transactions
+* Counterparty
+* Payment Channels and State Channels
+* State Channels—Basic Concepts and Terminology
+* Simple Payment Channel Example
+* Making Trustless Channels
+* Asymmetric Revocable Commitments
+* Hash Time Lock Contracts (HTLC)
+* Routed Payment Channels (Lightning Network)
+* Basic Lightning Network Example
+* Lightning Network Transport and Routing
+* Lightning Network Benefits
+* Conclusion
+=== A. The Bitcoin Whitepaper By Satoshi Nakamoto
+=== B. Transaction Script Language Operators, Constants, And Symbols
+=== C. Bitcoin Improvement Proposals
+=== D. Bitcore
+=== E. Pycoin, Ku, And Tx
+=== F. Bitcoin Explorer (Bx) Commands
+=== *NEW: BTCD*