This document summarizes a blockchain meetup in Prague in October 2018. The agenda included an overview of blockchain technology, platforms, and a question and answer session. Blockchain was defined and examples like Bitcoin and Ethereum were provided. Popular platforms like Hyperledger, Ethereum Enterprise Alliance, and Corda were also listed and criteria for evaluating blockchain platforms was presented. Use cases for identity management and trade on the blockchain were briefly discussed.

1. TORONTO
LONDON
FRANKFURT
PRAGUE
BRATISLAVA
SOFIA
MOSCOW
1
BLOCKCHAIN
23.10.2018
MICHAL GRUND
BLOCKCHAIN INNOVATION LEADER
BLOCKCHAIN MEETUP
PRAHA, ŘÍJEN 2018

2. 2
AGENDA
01 BLOCKCHAIN
02 PLATFORMY
Q&A

3. 3
01 BLOCKCHAIN

4. 4
BLOCKCHAIN
BITCOIN
ETHEREUM
TRADING
SCAM
REGULACE
OBCHOD S DROGAMI
HYPE
ICO
DISTRIBUTED LEDGER TECHNOLOGY
RIPPLE
TECHNOLGIE BUDOUCNOSTI
SUPPLY CHAIN MANAGEMENT
DECENTRALIZACE
GET RICH QUICK
P2P DIGITAL CASH
ALZA TESLA
PROOF OF WORK
MONERO
DEMOKRATIZACE
KRYPTOGRAFIE
MATEMATIKA
INVESTICE
COINBASE
DISRUPCE
SPEKULACE
KONSENSUS

5. 5
Blockchain
CO JE BLOCKCHAIN
architektura architektura

6. 6
Block
Chain
CO JE BLOCKCHAIN
Block 25
Hash 24
Hash 26
DATA
Block 26
Hash 25
Hash 27
DATA
Block 27
Hash 26
Hash 28
DATA

7. PUBLIC
Permissionless
PRIVATE
Permissioned
7
KATEGORIZACE

8. Obdivujeme ho
Nikdy
Nelze zastavit
Kontroverze
Hacky burz
8
BITCOIN V KOSTCE
blockchain projekt
Vznik 2009 Satoshi Nakamoto
P2P digital

9. Vize
Realita
9
BITCOIN

10. 10
BITCOIN
BTC/USD
Q1 2018

11. GOLD / USD
11
BITCOIN UCHOVATEL HODNOTY
BTC/USD

12. 12
PRINCIPY
Konsensus
DLT (Distributed Ledger Technology)
Decentralizace
Neexistuje Single Point of Failure

13. 13
:
multi-
Ne? blockchain
BLOCKCHAIN NEBO NE

14. 14
Technologie

15. 15
02 PLATFORMY

16. 16
BLOCKCHAIN PLATFORM CRITERIA
Criteria Description
Active platform Whether the platform has been released
Business model Proprietary software / Open-source
Prototype Based on existing system or prototype
Private/public Access based on permissions
Languages Programming languages used for development, e.g. smart cntr
Modularity Plug-in extra components to extend core functionality
Interoperability Integration with existing legacy systems
Consensus algorithm mechanism for various involved parties
Security & Privacy Disallowing other parties to access private data
Performance & Scalability Throughput, latency of transactions, block size
Hardware requirement HW for running node(s), possibly cloud service
GUI User interface for administration and support

17. 17
BLOCKCHAIN PLATFORM VENDORS
Criteria Description
Experience Years in business
Similar implementations Equivalent implementations, PoCs
Other implementations Similar solutions powered by the blockchain
Staff quality & availability Blockchain experts rare, highly demanded
Plans & Roadmap Future extensions of the platform
Documentation Detailed description of a specific features
Pricing Costs, licence policy etc.
Unique competition advantage Each vendor/platform possibly has some unique characteristics

18. 18
BLOCKCHAIN PLATFORMY
Hyperledger
Hyperledger Fabric
Hyperledger Sawtooth
Hyperledger Iroha
Corda
Ethererum Enterprise Alliance
Oracle Blockchain Coud Service
IBM Blockchain platform
Quorum

19. 19
03

20. Adastra
1.
2.
3.
4.
4 = 1 =>
Business case > Proof of Concept > Implementace > Rozvoj

21. 21
1. Identity management *
2.
3. Trade
4.
5.
BANKING

22. 22
Neefektivita
Zranitelnost
IDENTIFIKACE DNES
ID
ID
ID

23. 23
IDENTIFIKACE BLOCKCHAIN
ID
Efektivita
fin. instituce

24. 24
DNES
Centralizace
Zranitelnost
SPoF,

25. 25
BLOCKCHAIN
Decentralizace

26. 26
04

27. out of the
WRAP IT UP

28. TORONTO
LONDON
FRANKFURT
PRAGUE
BRATISLAVA
SOFIA
MOSCOW
28
BLOCKCHAIN
23.10.2018
MICHAL GRUND
BLOCKCHAIN
INNOVATION LEADER
MICHAL.GRUND@ADASTRA.CZ
DÍKY !