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Consensus Algorithms, Blockchain Technology and Bitcoin UCL - by Andreas M. Antonopoulos

aantonop
347K subscribers
220K views 9 years ago
An academic lecture by Andreas M. Antonopoulos explaining the consensus algorithm, "Proof of Work", used by bitcoin and many other blockchains. Andreas is a UCL alum. Chapters 0:00 Introduction 1:38 What is bitcoin? 3:07 SHA-256 21:28 Consensus rules 23:47 25 bitcoin reward 26:38 Who sets the validation rules? 28:46 Bitcoin blockchain technology explained 46:23 Other protocols for consensus 47:14 The longest chain and blocks 51:07 Bitcoin mining 53:27 How often does a fork happen? 1:06:41 Every node has to fully validate from the genesis block to today 1:08:31 Nakamoto consensus 1:09:14 Scaling other consensus algorithms 1:10:44 Consensus algorithm as a scientific discipline 1:11:51 Process consensus 1:13:02 Reference consensus 1:13:25 5 consensus constituencies 1:15:33 It's not so easy to shift consensus in bitcoin 1:17:33 How many transactions can you get done in 10 minutes? 1:21:43 Bitcoin and Moore's law This talk was presented in collab …...more
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Introduction

0:00

What is bitcoin?

1:38

SHA-256

3:07

Consensus rules

21:28

25 bitcoin reward

23:47

Who sets the validation rules?

26:38

Bitcoin blockchain technology explained

28:46

Other protocols for consensus

46:23

The longest chain and blocks

47:14

Bitcoin mining

51:07

How often does a fork happen?

53:27

Every node has to fully validate from the genesis block to today

1:06:41

Nakamoto consensus

1:08:31

Scaling other consensus algorithms

1:09:14

Consensus algorithm as a scientific discipline

1:10:44

Process consensus

1:11:51

Reference consensus

1:13:02

5 consensus constituencies

1:13:25

It's not so easy to shift consensus in bitcoin

1:15:33

How many transactions can you get done in 10 minutes?

1:17:33

Bitcoin and Moore's law

1:21:43
Consensus Algorithms, Blockchain Technology and Bitcoin UCL - by Andreas M. Antonopoulos
4.4KLikes
220,696Views
2016Jan 31
An academic lecture by Andreas M. Antonopoulos explaining the consensus algorithm, "Proof of Work", used by bitcoin and many other blockchains. Andreas is a UCL alum. Chapters 0:00 Introduction 1:38 What is bitcoin? 3:07 SHA-256 21:28 Consensus rules 23:47 25 bitcoin reward 26:38 Who sets the validation rules? 28:46 Bitcoin blockchain technology explained 46:23 Other protocols for consensus 47:14 The longest chain and blocks 51:07 Bitcoin mining 53:27 How often does a fork happen? 1:06:41 Every node has to fully validate from the genesis block to today 1:08:31 Nakamoto consensus 1:09:14 Scaling other consensus algorithms 1:10:44 Consensus algorithm as a scientific discipline 1:11:51 Process consensus 1:13:02 Reference consensus 1:13:25 5 consensus constituencies 1:15:33 It's not so easy to shift consensus in bitcoin 1:17:33 How many transactions can you get done in 10 minutes? 1:21:43 Bitcoin and Moore's law This talk was presented in collaboration with the Department of Computer Science at University College London. If you want early-access to talks and a chance to participate in the monthly live Q&As with Andreas, become a patron:   / aantonop   RELATED: What is Consensus: Rules without Rulers -    • What is Consensus: Rules without Rulers   Bitcoin Security: Bubble Boy and the Sewer Rat -    • Bitcoin Security: Bubble Boy and the Sewer...   Bitcoin, A New Species of Money: An Evolutionary Perspective on Currency -    • Bitcoin: A New Species of Money - An Evolu...   Measuring Success: Price or Principle -    • Measuring Success: Price or Principle   Why Open Blockchains Matter -    • Why Open Blockchains Matter   Decentralised Globalisation -    • Decentralized Globalization: Cryptocurrenc...   Investing in Education instead of Speculation -    • Investing in Education Instead of Speculation   Beyond Price: Bitcoin's Impact on the Future -    • Beyond Price: Bitcoin's Impact on the Future   How does the Blockstream satellite work? -    • Bitcoin Q&A: How does the Blockstream Sate...   Regulation and the bank boycott -    • Bitcoin Q&A: Regulation and the Bank Boycott   Remittances and smuggling in Venezuela -    • Bitcoin Q&A: Remittances & Smuggling in Ve...   Bitcoin as everyday currency -    • Bitcoin Q&A: Bitcoin as Everyday Currency   What is the appeal of sound money? -    • Bitcoin Q&A: What is the Appeal of Sound M...   Hyperbitcoinization -    • Bitcoin Q&A: Hyperbitcoinization   Why permissioned blockchains fail -    • Bitcoin Q&A: Why Permissioned Blockchains ...   Protocol development security -    • Bitcoin Q&A: Protocol Development Security   How to avoid re-creating systems of control -    • Bitcoin Q&A: How to Avoid Re-creating Syst...   Wallets, nodes, and monetary sovereignty -    • Bitcoin Q&A: Wallets, Nodes, and Monetary ...   Is bitcoin testing governments? -    • Bitcoin Q&A: Is Bitcoin Testing Governments?   Will governments let privacy coins exist? -    • Bitcoin Q&A: Will Governments Let Privacy ...   Geopolitics and state-sponsored attacks -    • Bitcoin Q&A: Geopolitics and State-Sponsor...   Governance and social attack immunity -    • Bitcoin Q&A: Governance and Social Attack ...   Sanctions and censorship resistance -    • Bitcoin Q&A: Sanctions and Censorship-Resi...   State-sponsored digital currencies and trust minimization -    • Bitcoin Q&A: State-sponsored Digital Curre...   Taxation and failed societies -    • Bitcoin Q&A: Taxation and Failed Societies   Andreas M. Antonopoulos is a technologist and serial entrepreneur who has become one of the most well-known and respected figures in bitcoin. Follow on Twitter: @aantonop   / aantonop   Website: https://antonopoulos.com/ He is the author of two books: “Mastering Bitcoin,” published by O’Reilly Media and considered the best technical guide to bitcoin; “The Internet of Money,” a book about why bitcoin matters. Subscribe to the channel to learn more about Bitcoin & open blockchains; click on the red bell to enable notifications about new videos! MASTERING BITCOIN, 2nd Edition: https://amzn.to/2xcdsY9 Translations of MASTERING BITCOIN: https://bitcoinbook.info/translations... THE INTERNET OF MONEY, v1: https://amzn.to/2ykmXFs THE INTERNET OF MONEY, v2: https://amzn.to/2IIG5BJ Translations of THE INTERNET OF MONEY: Spanish, 'Internet del Dinero' (v1) - https://amzn.to/2yoaTTq French, 'L'internet de l'argent' (v1) - https://www.amazon.fr/Linternet-large... Russian, 'Интернет денег' (v1) - https://www.olbuss.ru/catalog/ekonomi... Vietnamese, 'Internet Của Tiền Tệ' (v1) - https://alphabooks.vn/khi-tien-len-mang MASTERING ETHEREUM (Q4): https://amzn.to/2xdxmlK Music: "Unbounded" by Orfan (  / orfan  ) Outro Graphics: Phneep (http://www.phneep.com/) Outro Art: Rock Barcellos (http://www.rockincomics.com.br/) Join the aantonop Channel: https://aantonop.io/joinaantonopyt

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aantonop

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