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