Lecture 6: Decentralization

Lecture 6: Decentralization

Decentralization - Distributed Consensus - Attacks on distributed consensus: False spending - block creation/modification, Denial of service, Double-spend attack, 51% attacks.

Fundamentals: Scrooge

Vs. Centralization

The Nature Of Bitcoin

Decentralized Number Of Nodes

A Distributed Consensus Protocol

Which Transactions Are To Be Put Into The Lock Chain

The Byzantine General Problem

Sybil Attack

Random Nodes Broadcast Blocks

A Decentralized Technology

The Red Node

Including Blocks In The Blockchain

Preventing Double Spend