These slides were presented at Darefest 2016 in Antwerp. The presentation explains the evolution of cryptocurrency and the next steps towards full decentralisation. For more info or to book your own session, visit www.bite.be

1. Blockchain 3.0
Decentral applications
Bart Waeterschoot – bart@bITe.be

2. Blockchain 3.0
Ðapps
Bart Waeterschoot – bart@bITe.be

3. Audience check

4. Audience check

5. Overview
Pre-Blockchain
Blockchain 1.0 - Currency
Blockchain 2.0 - Contracts
Blockchain 3.0 - Decentral applications
Create Darecoins – The easy way
Create Darecoins – The harder way
Create a Dapp

6. Overview
Pre-Blockchain
Blockchain 1.0 - Currency
Blockchain 2.0 - Contracts
Blockchain 3.0 - Decentral applications
Create Darecoins – The easy way
Create Darecoins – The harder way
Create a Dapp

7. The Internet enabled information sharing

9. … but what about sharing value?

10. … but what about sharing value?

11. Overview
Pre-Blockchain
Blockchain 1.0 - Currency
Blockchain 2.0 - Contracts
Blockchain 3.0 - Decentral applications
Create Darecoins – The easy way
Create Darecoins – The harder way
Create a Dapp

12. Blockchain 1.0 - Currency

13. Blockchain 1.0 - Building blocks
Cryptocurrency
Address
Public & private key
Signature
Transaction

14. Blockchain 1.0 - Patterns
Blocks
Nodes
Mining
Proof of work

15. Blockchain 1.0 – Disruptive potential

16. Blockchain 1.0 – Market cap (9/8/16)
€ 8.38
€ 0.87
€ 0.19
€ 0.19
€ 0.16
€ 0.14
€ 0 € 4 € 8
Bitcoin
Ripple
Litecoin
Billions

17. Blockchain 1.0 – Merchants

18. Blockchain 1.0 – WEF report
Shift 16: Bitcoin and the Blockchain
10% of global gross domestic product (GDP)
stored on blockchain technology by 2027
+- 8.000.000.000.000$

19. Overview
Pre-Blockchain
Blockchain 1.0 - Currency
Blockchain 2.0 - Contracts
Blockchain 3.0 - Decentral applications
Create Darecoins – The easy way
Create Darecoins – The harder way
Create a Dapp

20. Blockchain 2.0 - Contracts

21. Blockchain 2.0 - Contracts
Smart contracts are computer protocols that
facilitate, verify, or enforce the negotiation or
performance of a contract, or that make a
contractual clause unnecessary.

22. Blockchain 2.0 – Example scenarios
Property management
Crowdfunding
Payment based on events
Autonomous agents
...

23. Blockchain 2.0 - Building blocks
Language to define logic
Blockchain execution environment

24. Blockchain 2.0 – Disruptive potential
Your company?

25. Risks – Flaws in contract code

26. Overview
Pre-Blockchain
Blockchain 1.0 - Currency
Blockchain 2.0 - Contracts
Blockchain 3.0 - Decentral applications
Create Darecoins – The easy way
Create Darecoins – The harder way
Create a Dapp

27. Blockchain 3.0 - Decentral applications

28. Typical central web application

29. Feature 1 – Open source

30. Feature 2 – Internal currency

31. Feature 3 – Decentralized consensus

32. Feature 4 – No central point of failure

33. Typical central web application - Recap

34. Moving from central to decentral
Data
Value
Identity
Computation
Bandwidth

36. Ðapps - Data

37. Ðapps - Value

38. Ðapps - Identity
Human meaningful
Decentralized Secure

39. Ðapps - Computation

40. Ðapps - Bandwidth

41. Ðapps – Reality check

42. Ðapps – Basic architecture

43. Ethereum vision

44. Ðapps – Examples using Ethereum

45. Ðapps – Locals (city of Antwerp)

46. Credits
Siraj Raval
sirajology

47. Overview
Pre-Blockchain
Blockchain 1.0 - Currency
Blockchain 2.0 - Contracts
Blockchain 3.0 - Decentral applications
Create Darecoins – The easy way
Create Darecoins – The harder way
Create a Dapp

48. Darecoins – The easy way
www.coinprism.com

49. Overview
Pre-Blockchain
Blockchain 1.0 - Currency
Blockchain 2.0 - Contracts
Blockchain 3.0 - Decentral applications
Create Darecoins – The easy way
Create Darecoins – The harder way
Create a Dapp

50. Darecoins – The harder way
www.ethereum.org/token

51. Darecoins – The harder way
https://ethereum.github.io/browser-solidity

52. Overview
Pre-Blockchain
Blockchain 1.0 - Currency
Blockchain 2.0 - Contracts
Blockchain 3.0 - Decentral applications
Create Darecoins – The easy way
Create Darecoins – The harder way
Create a Dapp

53. Peer bonus dapp
https://github.com/djbart/Kudos

54. Thank you!
Bart Waeterschoot
bart@bite.be