Table of Contents

Summary

Introduction

• Date: 20 July 2015
• This paper offers deep insights into the design, stability, privacy, and the future of transactions without intermediaries in Bitcoin and cryptocurrencies.
• https://ieeexplore.ieee.org/abstract/document/7163021
  • https://www.youtube.com/watch?v=ZL0TbjSrwAI

**SECTION I.

Why Bitcoin is Worthy of Research**

Two opposing viewpoints on Bitcoin

• Bitcoin works in practice, but not in theory.
  • Quantum Computing Threat
  • 51% Attack
  • Selfish Mining selfish mining more( TBU )
• Bitcoin's stability is complex. It depends on many social and economic factors.

**SECTION II.

Overview of Bitcoin**

A. A Contextualized History

• The 1990s saw various improvements to electronic cash protocols, but no significant real-world deployment.
• Bitcoin's history includes both increasing merchant adoption and association with criminal activities

gantt
    title History of Cryptocurrencies and Bitcoin
    dateFormat  YYYY
    axisFormat %Y
    section Concepts and Early Developments
    Chaum's "untraceable payments"      : 1983, 1y
    e-cash protocols & PoW              : 1990, 8y
    B-money proposed                    : 1998, 1y
    section Bitcoin Era
    Bitcoin white paper        : 2008, 1y
    Genesis block mined        : 2009, 1y
    First real transaction     : 2010, 1y
    Price peak & Silk Road     : 2013, 1y
    CryptoLocker               : 2014, 1y

• Charn’s untraceable payments
  • mixer?

B. A Technical Overview

• Information sources:
  • original white paper, reference implementation, BIPs, forum posts, wiki articles, mailing lists, and IRC discussions.

1) Transactions & Scripts