Understanding BlockDAGs and GHOSTDAG
  • Welcome!
  • Preface
  • Introduction
  • Part 1: BlockChains and BlockDAGs
    • Introduction
    • Chapter 1: From BFT to PoW
      • Byzantine Fault Tolerance
      • Proof-of-Work (PoW)
      • How PoW Works*
      • PoS Vs. PoW
      • Exercises
    • Chapter 2: the Block Chain Paradigm
      • A Graph Theory Primer
      • The Paradigm
      • Honesty and Rationality
      • Three Chain Selection Rules
      • Security Notions
      • Selfish Mining in Bitcoin
      • Safety
      • Liveness
      • Confirmation Times
      • Proving Bitcoin's Security*
      • Exercises
  • Part 2: The GHOSTDAG Protocol
    • Page 2
  • Supplementary Material
    • Math
      • Stuff You Should Know
        • Asymptotics, Growth, and Decay
        • Binomial Coefficients
        • The Binomial Formula
        • Geometric Sums and Series
      • Probability Theory
        • Probability Spaces
        • Random Variables
        • The Math of Block Creation
    • Computer Science
      • Stuff you Should Know
        • Asymptotic Notation
        • Negligible Functions
      • Cryptography
        • Random Oracles
        • Merkle Trees
        • One Time Pads
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  1. Part 1: BlockChains and BlockDAGs
  2. Chapter 2: the Block Chain Paradigm

Safety

We are finally positioned to talk about the security of a block chain, and the property to start this discussion with is the so called safety.

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Last updated 6 days ago