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Open & Private Blockchains at CSCMP Benelux Supply Chain Event

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On the 4th of November I gave the introduction presentation on the Blockchain at CSCMP Benelux Supply Chain Event.

As usual, I expected people to be very much in favour of private blockchains, so I made my presentation about a comparison between open and private blockchains, using Bitcoin for the open side.

Interested in learning more? Check out my website or book me as a speaker: http://samwouters.com/

Twitter: https://twitter.com/SDWouters
LinkedIn: https://www.linkedin.com/in/samwouters

Published in: Technology
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Open & Private Blockchains at CSCMP Benelux Supply Chain Event

  1. 1. @SDWOUTERS Blockchains OPEN & Private
  2. 2. samwouters.com Speaker on Bitcoin & Blockchain Digital Transformation Consultant at Duval Union Consulting WWW sam.wouters@duvalunion.com Sam Wouters @sdwouters
  3. 3. ‣ We are a digital consulting company. ‣ Founded in 2009 as DearMedia. ‣ We work for large European clients. ‣ We have a strong vision on the impact of digital and act accordingly. ‣ We are advisors, writers, coaches and entrepreneurs.
  4. 4. One of many DISRUPTIVE PLAYERS
  5. 5. Invented in 2008: a system to eliminate 
 the need for “trusted” third parties bitcoin.org/bitcoin.pdf
  6. 6. @SDWOUTERS “bitcoin is digital money” Who has heard of Bitcoin before today? Positive image? Negative image? Who fundamentally understands Bitcoin?
  7. 7. Media that predicted The Death of Bitcoin bitcoinobituaries.com Deaths by publication: DailyPaulCNNCity A.M.ChronBroken Librarian BTC Feed Business Insider BloombergAbout.com Acton BizNews.comArduino TronicapenwarrAOL Financial TimesFester’s DenDavid Seaman FortuneForbesFool.com Fusion Gizmodo Australia IEX International Business Times Javamazon Moneygeek MyBroadBandMother Jones News.com.au NewStatesman NY Mag OUI Share The New York TimesThe KernelThe Calculating InvestorStreet Insider Sputnik NewsPYMNTS.com Reuters Robert Nielsen Salon Seeking Alpha The Underground EconomistThe Telegraph The Washington Post The Weekly Standard USA Today Valley News VICE News Wired YahooWall Street Daily
  8. 8. @SDWOUTERS Bitcoin has been running non-stop for 7+ years 160M 434K $150M $105B Transactions Blocks in the blockchain in transactions per day currently Transferred over the blockchain 466M 16M 11B 160K bitcoins transferred over the blockchain Amount of Bitcoins that currently exist Value of all bitcoins companies (indirectly) accept bitcoins
  9. 9. Banks: Bitcoin can’t work, it’s all about the Blockchain
  10. 10. @SDWOUTERS Bitcoin is a way to digitally transfer ownership without a middleman The blockchain is a database that records ownership throughout time What’s the difference?
  11. 11. A 5 minute explanation won’t make 
 you understand why they matter
  12. 12. @SDWOUTERS WHAT can we do with them? HOW do they work? WHY do blockchains exist?
  13. 13. @SDWOUTERS WHY do blockchains exist?
  14. 14. @SDWOUTERS WHY do blockchains exist? Open Blockchains
  15. 15. @SDWOUTERS Why do digital money transfers take days?
  16. 16. @SDWOUTERS Fees hurt profit margins for businesses 9% FEE?
  17. 17. @SDWOUTERS Financial innovation is held back by rules and regulations
  18. 18. @SDWOUTERS But this is innovation!
  19. 19. Say that to the 40% unbanked adults worldwide…
  20. 20. And to the people who pay 5-25% money transfer fees @SDWOUTERS
  21. 21. @SDWOUTERS If you want to send money you have to WAIT PAY
  22. 22. @SDWOUTERS Yet we can do THIS? @SDWOUTERS
  23. 23. @SDWOUTERS This is about more than global payments @SDWOUTERS
  24. 24. We have more debt than can EVER be repaid
  25. 25. @SDWOUTERS We have unprecedented money printing
  26. 26. @SDWOUTERS Soon you’ll be PAYING banks so they can 
 do risky investments with your money
  27. 27. Resulting in "cosy" relationships between financial businesses and regulators. We are fighting a never ending flood @SDWOUTERS
  28. 28. @SDWOUTERS WHY do blockchains exist? Open Blockchains Private Blockchains Make existing players a few % more efficient Make the world a fairer place
  29. 29. @SDWOUTERS HOW do they work? WHY do blockchains exist?
  30. 30. @SDWOUTERS Open Blockchains HOW do blockchains work? 1 Censorship resistance
  31. 31. @SDWOUTERS Ownership is TRANSFERRED directly between two parties
  32. 32. @SDWOUTERS Transactions are synchronised through the network
  33. 33. How do we Record transactions so nobody can change them? @SDWOUTERS
  34. 34. The blockchain is a global “bookkeeping” system It records who owns what, and when @SDWOUTERS
  35. 35. @SDWOUTERS Open Blockchains HOW do blockchains work? 1 Censorship resistance 2 Decentralization
  36. 36. @SDWOUTERS Problems Solutions Central point of failure Decentralized network Expensive to secure Shared security cost Trust who is in charge Trust a fixed set of rules Centralized All organizations
  37. 37. @SDWOUTERS Problems Solutions Central point of failure Decentralized network Expensive to secure Shared security cost Trust who is in charge Trust a fixed set of rules Decentralized The Internet & Bitcoin Centralized All organizations
  38. 38. The Bitcoin network is 20.000 times stronger than the top 500 supercomputers in the world Blockchains are secured by computing power from people and companies all over the world @SDWOUTERS
  39. 39. @SDWOUTERS Open Blockchains HOW do blockchains work? 3 Immutability 1 Censorship resistance 2 Decentralization
  40. 40. … The “miners” verify transactions and 
 add them to the next block in the Blockchain
  41. 41. @SDWOUTERS Change a transaction? Change the link
  42. 42. @SDWOUTERS The network will see and reject your fraud
  43. 43. @SDWOUTERS To convince them you need to create a longer blockchain than the entire network combined
  44. 44. @SDWOUTERS Miners earn new currency and tiny transaction fees for their work and electricity
  45. 45. @SDWOUTERS Open Blockchains HOW do blockchains work? 3 Immutability 1 Censorship resistance 2 Decentralization 4 Open access
  46. 46. Send payments on any network, without risk
  47. 47. An open blockchain is open to anyONE without identification or authentication @SDWOUTERS
  48. 48. @SDWOUTERS No criminal wants to leave permanent evidence
  49. 49. @SDWOUTERS Open Blockchains 3 Immutability 5 Open innovation 1 Censorship resistance 2 Decentralization 4 Open access HOW do blockchains work?
  50. 50. Anyone can develop new applications for an open blockchain, without permission
  51. 51. @SDWOUTERSinternetlivestats.com/internet-users/ The same force driving internet innovation for 20 years
  52. 52. @SDWOUTERS Creates huge value for consumers, economic growth, jobs
  53. 53. @SDWOUTERS Open Blockchains Private Blockchains Editability 3 Centralization 4 Interoperability 1 Business innovation 5 Permissioned access 2 3 Immutability 5 Open innovation 1 Censorship resistance 2 Decentralization 4 Open access HOW do blockchains work?
  54. 54. @SDWOUTERS WHAT can we do with them? HOW do they work? WHY do blockchains exist?
  55. 55. @SDWOUTERS Sending money 0.00000001 BTC1 BTC
  56. 56. Money is the 
 tip of the iceberg
  57. 57. @SDWOUTERS What other opportunities are out there? Finance Internet of Things? Energy? Supply chain? Identity? Property? Legal?
  58. 58. @SDWOUTERS The major challenge of Supply Chain blockchains Getting everyone on the same chain
  59. 59. @SDWOUTERS Potential solutions: Sidechains or Interledger blockstream.com interledger.org
  60. 60. @SDWOUTERS “Blockchain could disrupt everything”
  61. 61. @SDWOUTERS THE BLOCKCHAIN is an inefficient database
  62. 62. Imagine a massive decentralized Dropbox synchronizing 24/7
  63. 63. But all these banks are investing in blockchains!
  64. 64. @SDWOUTERS 3 Immutability 5 Open innovation 1 Censorship resistance 2 Decentralization 4 Open access Banks/governments won’t 
 replicate the BlockchainOpen Editability 3 Centralization 4 Interoperability 1 Business innovation 5 Permissioned access 2 Private
  65. 65. @SDWOUTERS When open blockchains solve privacy & scalability companies may build services on them instead Security Neutrality Development
  66. 66. @SDWOUTERS Private blockchains may have “use cases” like intranets do The Blockchain The Internet “Private” Blockchains Intranets
  67. 67. @SDWOUTERS Private blockchains can learn from Open ones The Blockchain The Internet “Private” Blockchains Intranets Sidechains Live environment
  68. 68. @SDWOUTERS The open Blockchain 
 will create the most value The Blockchain The Internet “Private” Blockchains Intranets >
  69. 69. samwouters.com Speaker on Bitcoin & Blockchain Digital Transformation Consultant at Duval Union Consulting sam.wouters@duvalunion.com Sam Wouters @sdwouters WWW

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