블록체인이 꿈꾸는 세상 (What Blockchains Dream)
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2018년 4월 11일 연세대 4차 산업혁명 런치포럼에서 강의한 '블록체인이 꿈꾸는 세상' 강의 자료입니다. 동영상(https://youtu.be/Ghb4pKaMOa4)과 글(https://organicmedialab.com/2018/01/12/what-blockchains-dream/)을 함께 보시면 더욱 도움이 됩니다.
블록체인이 꿈꾸는 세상 (What Blockchains Dream)
- 1. 블록체인이 꿈꾸는 세상: What Blockchains Dream 2018. 4. 11. Prof. Sangkyu Rho Seoul National University Organic Media Lab
- 2. The DAO DuPont, Quinn. Experiments in Algorithmic Governance: A history and ethnography of ‘The DAO,’ a failed Decentralized Autonomous Organization.” (ed. Malcolm Campbell-Verduyn) Bitcoin and Beyond: Cryptocurrencies, Blockchains and Global Governance (forthcoming).
- 3. © Organic Media Lab(http://organicmedialab.com), 2018 3 https://www.nytimes.com/2016/05/22/business/dealbook/crypto-ether-bitcoin-currency.html?mcubz=0
- 4. © Organic Media Lab(http://organicmedialab.com), 2018 Apr 4 https://bitcoinmagazine.com/articles/the-dao-raises-more-than-million-in-world-s-largest-crowdfunding-to-date-1463422191/
- 5. © Organic Media Lab(http://organicmedialab.com), 2018 5 https://www.wired.com/2016/06/50-million-hack-just-showed-dao-human/
- 7. © Organic Media Lab(http://organicmedialab.com), 2018 Philosophy Behind Bitcoin 7 Decentralization
- 8. © Organic Media Lab(http://organicmedialab.com), 2018 No center! Everybody has copies! Everybody decides! Secrets never shared! Bitcoin:We are the Bank! 8
- 9. © Organic Media Lab(http://organicmedialab.com), 2018 What Blockchain Solves Trust Problem without trusting anyone • Double spend problem when you can have perfect copies • Integrity problem when everybody has copy • Security problem when no one has control • Privacy problem when everything is traceable • Incentive problem when anyone can participate & leave 9
- 10. © Organic Media Lab(http://organicmedialab.com), 2018 Cryptoeconomic System* Cryptography to prove something happened Economic incentives to achieve desired behaviors & properties 10 * http://vitalik.ca/files/intro_cryptoeconomics.pdf
- 11. © Organic Media Lab(http://organicmedialab.com), 2018 Bitcoin:“Internet of Money” Impossible to double spend Instant, global, (almost) free, and open Attack resistant, privacy preserving, transparent, and immutable But, very SLOW 11
- 12. © Organic Media Lab(http://organicmedialab.com), 2018 Why Blockchain Matters Immutable & transparent containers to store and value of any kind (e.g., money, signatures, contracts, stocks, bonds, even cars) Smart contracts as autonomous, independent economic agents New ways to organize and collaborate 12
- 13. Smart Contract
- 14. © Organic Media Lab(http://organicmedialab.com), 2018 Bet with a Friend Me Friend Another Friend 1 ETH “Will it rain tomorrow?” 14 Can I trust my friends? Organic Media Lab 2017
- 15. © Organic Media Lab(http://organicmedialab.com), 2018 A Smart Contract for Betting Organic Media Lab 2017 Me Friend An Oracle Smart Contract: Will it rain tomorrow? 1 ETH 1 ETH ? 15 Yes No
- 16. © Organic Media Lab(http://organicmedialab.com), 2018 Properties of Smart Contracts Autonomous Independent Economic Self-enforcing 16
- 17. © Organic Media Lab(http://organicmedialab.com), 2018 Contracts in our life Social Political Economic • Oliver Hart & Bengt Holstrom won Nobel Prize in 2016 Legal 17
- 18. © Organic Media Lab(http://organicmedialab.com), 2018 “Uber” in a Blockchain World 18 DAO* *DAO = Distributed Autonomous Organization **USN = Universal Sharing Network USN** Organic Media Lab, 2016
- 20. © Organic Media Lab(http://organicmedialab.com), 2018 Decentralization? 20
- 21. © Organic Media Lab(http://organicmedialab.com), 2018 Decentralization: Technological Perspective* Architectural: How many physical computers? Logical: Single truth? Political:Who has control? 21 *https://medium.com/@VitalikButerin/the-meaning-of-decentralization-a0c92b76a274 blockchain!
- 22. © Organic Media Lab(http://organicmedialab.com), 2018 Decentralization: Organizational Perspective End of Middlemen End of Hierarchy End of Boundary 22
- 23. © Organic Media Lab(http://organicmedialab.com), 2018 23 Network (P2P) Node (3rd Party) Network Hierarchy Organic Media Lab, 2016 4 Types of Organizations
- 24. © Organic Media Lab(http://organicmedialab.com), 2018 24 4 Types of Organizations Organic Media Lab 2017
- 25. © Organic Media Lab(http://organicmedialab.com), 2018 25 http://news.kmib.co.kr/article/view.asp?arcid=0923654003&code=11151300 http://news.mt.co.kr/mtview.php?no=2017022213450752947&MNF
- 26. © Organic Media Lab(http://organicmedialab.com), 2018 As Is 26 Organic Media Lab 2017
- 27. © Organic Media Lab(http://organicmedialab.com), 2018 What banks dream 27 Organic Media Lab 2017
- 28. © Organic Media Lab(http://organicmedialab.com), 2018 What blockchains dream 28 Organic Media Lab 2017
- 29. © Organic Media Lab(http://organicmedialab.com), 2017 조직없는 조직화 (Organising without Organisations) Organic Media Lab, 2017
- 30. © Organic Media Lab, Inc. http://organicmedialab.com We, as a Network
- 31. © Organic Media Lab(http://organicmedialab.com), 2018 What do we do? Unlearn what we have learned Learn to learn Enjoy the ride 31
- 32. Recommended Readings http://organicmedia.pressbooks.com http://organicbusiness.pressbooks.com http://organicmedia2.pressbooks.com
- 33. Any Questions? Visit: www.organicmedialab.com E-mail: srho@snu.ac.kr Facebook: sangkyu.rho LinkedIn: Sangkyu Rho Twitter: @srho77