Title: Beyond Bitcoin; Blockchain Technologies And How They Disrupt Every Industry Speaker: Mr. Dimitrios Kouzis-Loukas (https://linkedin.com/in/lookfwd//) Date: Wednesday, December 27, 2017 Event: https://meetup.com/Athens-Big-Data/events/246033156/

1. BLOCKCHAIN
MEETS BIG DATA
DIMITRIOS KOUZIS-LOUKAS

3. TODAY’S PRESENTATION
DISCLAIMERS
▸Personal opinion
▸Don’t represent any companies
▸Everything public info
▸Not investment advice

4. “BIG DATA”

5. BLOCKCHA

6. WHAT IS BLOCKCHAIN?
DATABASE-LIKE SYSTEM
▸List of blocks
▸Append-only/immutable
▸Decentralized
▸Cryptographic
▸Byzantine fault tolerance
▸Fine-grained security controls
▸Massive Security Awareness Campaign

7. WHAT IS BLOCKCHAIN?
DECENTRALIZATION
‣
‣
‣
https://medium.com/@VitalikButerin/the-meaning-of-decentralization-a0c92b76a274

8. WHAT IS BLOCKCHAIN?
MY PERSPECTIVE
▸What open source did for software
▸Blockchain can do for data

9. ETHEREUM
Enterprise Ethereum Alliance
Ethereum is a decentralized platform that runs smart contracts: applications that
run exactly as programmed without any possibility of downtime,
censorship, fraud or third party interference.
‣ Build unstoppable applications
‣ Design and issue your own cryptocurrency
‣ Kickstart a project with a trustless crowdsale

10. Peer-2-Peer
"git"
EVM
+auto merge function:
“most expensive chain wins”

11. HASH FUNCTIONS

12. “GIT” - THE STORAGE SYSTEM
8a1ff8e39e81
+
commit (delta)
=
efa83baa3928

13. “GIT” - THE STORAGE SYSTEM
8a1ff8e39e81 (old-state)
+
block of valid transactions
=
efa83baa3928 (new+state)

14. “GIT” - THE STORAGE SYSTEM

15. PROOF OF WORK

16. EVM

17. EVM

18. EVM

19. EVM

20. EVM

21. MULTISIG CONTRACTS
https://medium.com/@ChrisLundkvist/exploring-simpler-ethereum-multisig-
contracts-b71020c19037

22. ▸(Relatively) simpler/constrained
▸Deterministic
▸Formal-friendly

23. SOLIDITY

24. PEER-TO-PEER ARCHITECTURE

25. ETHEREUM APPLICATION DEVELOPMENT ARCHITECTURE

26. SECURITY VS. PRIVACY
SECURE OR PRIVATE?
https://z.cash/blog/zsl.html
https://z.cash/technology/zksnarks.html

27. SECURITY VS. PRIVACY
https://github.com/jpmorganchase/quorum/wiki/ZSL

28. SCALABILITY - LIGHTNING NETWORK
https://www.youtube.com/watch?v=8zVzw912wPo

29. SCALABILITY - IOTA

30. ΙΟΤΑ (& HASHGRAPH)

34. WHAT IS BLOCKCHAIN?
DATABASE-LIKE SYSTEM
▸List of blocks
▸Append-only/immutable
▸Decentralized
▸Cryptographic
▸Byzantine fault tolerance
▸Fine-grained security controls
▸Massive Security Awareness Campaign

35. APPLICATIONS
INDUSTRIES
▸Finance
▸Real Estate
▸Collectibles
▸Healthcare
▸Governance e.g. cars
▸Supply Chain
▸Identity Management

36. APPLICATIONS
INDUSTRIES
▸Finance
▸Real Estate
▸Collectibles
▸Healthcare
▸Governance e.g. cars
▸Supply Chain
▸Identity Management

37. APPLICATIONS
INDUSTRIES
▸Finance
▸Properties
▸Collectibles
▸Healthcare
▸Governance e.g. cars
▸Supply Chain
▸Identity Management

38. APPLICATIONS
INDUSTRIES
▸Finance
▸Real Estate
▸Collectibles
▸Healthcare
▸Governance e.g. cars
▸Supply Chain
▸Identity Management

39. APPLICATIONS TEXT
FITBIT?
▸Who should own the data?
▸How much data do you want to give away?
▸For how long?

40. APPLICATIONS
SUMMARY
API
Database
Government,
Company,
Department
▸Silos
▸Counter-party risk
▸Misalignment
▸What open source did for software
▸Blockchain can do for data
Blockchain
Government,
Company,
Department
▸Collaboration - Hacking
▸Self-Governance
▸Alignment
Government,
Company,
Department

41. THANK