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

8.
… but what about sharing value?

9.
… but what about sharing value?

10.
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

11.
Blockchain 1.0 - Currency

12.
Blockchain 1.0 - Building blocks
Cryptocurrency
Address
Public & private key
Signature
Transaction

13.
Blockchain 1.0 - Patterns
Blocks
Nodes
Mining
Proof of work

14.
Blockchain 1.0 – Disruptive potential

15.
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

16.
Blockchain 1.0 – Merchants

17.
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$

18.
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

19.
Blockchain 2.0 - Contracts

20.
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.

21.
Blockchain 2.0 – Example scenarios
Property management
Crowdfunding
Payment based on events
Autonomous agents
...

22.
Blockchain 2.0 - Building blocks
Language to define logic
Blockchain execution environment

23.
Blockchain 2.0 – Disruptive potential
Your company?

24.
Risks – Flaws in contract code

25.
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

26.
Blockchain 3.0 - Decentral applications

27.
Typical central web application

28.
Feature 1 – Open source

29.
Feature 2 – Internal currency

30.
Feature 3 – Decentralized consensus

31.
Feature 4 – No central point of failure

32.
Typical central web application - Recap

33.
Moving from central to decentral
Data
Value
Identity
Computation
Bandwidth

34.
Ðapps - Data

35.
Ðapps - Value

36.
Ðapps - Identity
Human meaningful
Decentralized Secure

37.
Ðapps - Computation

38.
Ðapps - Bandwidth

39.
Ðapps – Reality check

40.
Ðapps – Basic architecture

41.
Ethereum vision

42.
Ðapps – Examples using Ethereum

43.
Ðapps – Locals (city of Antwerp)

44.
Credits
Siraj Raval
sirajology

45.
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

46.
Darecoins – The easy way
www.coinprism.com

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 harder way
www.ethereum.org/token

49.
Darecoins – The harder way
https://ethereum.github.io/browser-solidity

50.
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

51.
Peer bonus dapp
https://github.com/djbart/Kudos

52.
Thank you!
Bart Waeterschoot
bart@bite.be