A subtle introductionTo blockchain

Thomas Marckx – theledger.

Cronos Leuven

Thomas Marckx

thomas.marckx@cronos.be

Blockchain ‘dude’

@MarckxThomas

Let’s start your blockchain adventure

TRAIN • ADVICE • PROTOTYPE • BUILD

COMMUNITYTECHNOLOGY • EDUCATION• BUSINESS

“Privacy is the foundationof free societies”

- Don Tapscott

“A lack of transparency result in distrust and a deep sense of insecurity”

- ‘the’ Dalai Lama

��

centralisation

Closed controlled systems

Single-point-of-failure

Easy setup

Low Scalability

Slow innovation

Open collaboration systems

no-points-of-failure

Infinite scalability

Fast innovation

More Complex setup

DEcentralisation

The Internet of Information

Information VS Assets

Subjective theory of value

Value by witness

Consensus by witness

Trust by witness

Companies Transaction

Contract

Business byBlockchain !

Auditeur

$

BANK

Company BCompany A

Company C Company D

Inefficient – Expensive – Vulenrable

Auditeur

$

BANK

Company BCompany A

Company C Company D

Consensus – Provenance – Immutability – Finality

a mechanism to draw fact-based conclusions In an auditable way

CONTRACTCONTRACT

Third party

Asset Transfer

CONTRACTCONTRACT

ASSETTX

DecentralizedImmutableDatabase

PEER

PEER

PEER

…

…

PEER PEER

The Internet of Assets

PEER

PEER

PEER

PEER PEER

School B

School A

STUDENT

Company

Bitcoin Diploma

But wait, there’s more

CONTRACT <contract>12345678

2930

.

.

.

</contract>

Smart Contract

PEER

PEER PEER

PEER PEER

…

…

The Internet of Automation

SecurityAnd privacy

#367

#36889hdJ66xxWHJAbnBDBSQHSJQHJSDDQVc56587656

<contract>12345678

2930

.

.

.

</contract>

Data Transaction

ORPKI

Encryption

It’s not a database !

Types of Networks

traditional systems

Seperate ’stacks’, seperate databases

Incoherenceof data

‘Blockchained’

’stacks’ met gedeelde blockchain componenten

OPEN Public Blockchains Permissioned enterprise Blockchains

Why is it relevant?

Save time Remove costs Reduce risk Enhance trust traceability

Proof of ownership

COntracts

Payments / PRICING / accounting

Digital profile

ASSET Tracking

CROSS Sector

USE CASECross industriesProof of ownershipBlockai.com, everledger.io

USE CASEPublic sectorVoting

Distributed Ledger network

Smart contractballot

Smart contractballot

Smart contractballot

Smart contractballot

Smart contractballot

Smart contractballot

Smart contractballot

USE case – Voting

USE CASECross industriesE-commerce

USE case – e-commerce

<contract>12345678

2930

.

.

.

</contract>

STORE

€$¥

Tickets,Please

Fan is put central!

The right of entrance is created only once

Ticket can be validated / checkedby the stakeholders

Artist

Venue

SecondaryMarkets

PrimaryMarkets

Promotor

PDF

CreateConfirmValidate

Identity& KYC

Competent4 life

Competences sharing

Confirmcompetence

PossibilIoTies

USE CASESupply chainIOT - ASSET TRACK & TRACE

Smart Chained ‘KickerTable’

SensOrs + Blockchain

Smart contracts

Automated Competition

‘Sharing’ wearable data Hospital

Owner

Doctor

Coach

Public IoT examples

P2P – b&b

Mamoru.io – Safebike

IBM – CAR-LEASE

Proof-of-Concept2

Production

Think

Is it a Use-case?

Stakeholders?

Requirements

Workshop Collaboration

Digital token

Smart contract

sandbox

Integration

Front-end

Iterations

LiveBlockchain

environment

Next steps

build Deliver

Technologies everywhere

Hyperledger - Fabric

Ethereum

Multichain

Bigchaindb

Hyperledger - Corda

… blockchain READY!

MULTIPLE DEPARTMENTS

START WITH A ‘FEW’ NODES

GROW NETWORK – ADD MORE NODES

INCREASE DECENTRALIZATION

MULTIPLE FUNCTIONALITIES

START WITH ‘ONE’ FUNCTION – E.G. Simple Asset registration

Grow application – more complex smart contracts

INCREASE automation

PEER

PEER

PEER

PEER PEER

The SANDBOX experience Blockchain-Ops

Cloud solutions

IBM – 4 hyperledger fabric nodes + 1 memberschip services

Microsoft – 10+ Ethereum nodes+ Mining nodes

On Premise

Hyperledger Fabric

Ethereum

Bigchaindb

Combination possible

Monitoring tools available

’Howdy … partner

Microsoft

IBM

Chainthat

HOWEST

JURU

Consensys

The other ‘dudes’

Cronos Blockchain team

Thomas MarckxBlockchain wizard

TOM DecanManaging Partner/PM

Sam hendrickxBlockchain Developer

Stefaan De GeyterDevops / Architect

Jakup PEPAFull stack developer

Claudiu mateiFull stack developer

Wim tobbackManaging partner/architect

Filip FranckenBlockchain Prophet

Cronos Blockchain team

Dimitri VerhelstApplication Designer

JURU - FOunder

Jan VereeckenBlockchain architect

Juru - founder

Jo VercammenBlockchain architect

Juru - founder

Simon BeirnaertDevops engineer

Steven TrescinskiDevops / ARchitect

Mathijs becksUX Designer

NANS Van AkendovenBusiness consultant

… let’s play with blocks

http://blockchainbelgium.be

http://theledger.be @wearetheledger

Veldkant 33B2550 - Kontich

info@theledger.be

+32 479 52 61 10

B-Hive / Eggsplore – Identity

Tele-ticketing – sale & resale of tickets

Digipolis– Competence registration

Questions ?Shout !