Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of...

18
Blockchain in the City of Vienna Technology of an innovative administration

Transcript of Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of...

Page 1: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

Blockchain in the City of Vienna Technology of an innovative administration

Public sector and Blockchain Attack or opportunity hellip

bull Proactive involvement and stimulation of development

bull Network Blockchain Community in Vienna gt DigitalCityVienna - BlockchainInitiative

bull Blockchain offers technological possibilities to create more transparency efficiency and trust in administrative processes

bull Use for own processes gt Blockchain pilot projects

Bild

Ke

pay

o C

C B

Y S

A-3

0

Digital CityWien

A coalition of Viennese companies of the digital and ICT sector that work hand-in-hand with the City of Vienna to strengthen Vienna as a digital location httpsdigitalcitywien

Priorities and projects

bull Networking communication event cooperation project management (monthly meetings)

bull Digital Days ( November 4-5 2019)

bull education initiative

bull Citizens 60+

bull Women in IT (Digital Salon)

bull Industry Meets Makers

bull IoT Big Data AI

bull 7 Blockchain networking meetings since Dec 2017

DigitalCityWien ndash BlockchainInitiative Vibrant Blockchain Community Vienna

13 Dec 2017 1 Blockchain-Vernetzungstreffen bdquoCity of Vienna meets Viennese Blockchain-Communityldquo

26 Apr 2018 2 Blockchain-Vernetzungstreffen Wien Energie

30 Jun 2018 3 Blockchain-Vernetzungstreffen bdquoIdentityldquo SBA Resarch

15 Oct 2018 4 Blockchain-Vernetzungstreffen bdquoTokenldquo Accenture

23 Jan 2019 5 Blockchain-Vernetzungstreffen bdquoForschungldquo FH Technikum Wien

25 Apr 2019 6 Blockchain-Vernetzungstreffen bdquoAus- und Weiterbildungldquo Planning studio Vienna

23 Jul 2019 7 Blockchain-Vernetzungstreffen bdquoLogistik Transportwesen und Mobilitaumltldquo OumlBB

Interested Register at Kanonierurbaninnovationat

Vienna is Blockchain location

Blockchain pilots

Culture Token ndash Project outline last update 23 August 2019

Why Blockchain pilots

The City of Vienna wants tohellip bull Learn by implementing bull Use possibilities and chances offered by the Blockchain technology bull Find use cases to optimize processes bull Figure out the role of the administration bull Use token economy in a useful way bull Clarify legal questions bull Live open innovation

Innovation through openness amp cooperation with economy and science bull Link to the Blockchain community in Vienna

1st Blockchain-Pilot of the City of Vienna OGD history and notarization

bull Secure the integrity of OGD (Open Government Data) by unique document identifiers (hash values) in public Blockchains

bull Keep track of document-changes

bull httpsdigitaleswiengvatsiteopen-datablockchain-pruefen

bull Go live 14122017

The Blockchain enables reproducible public proof without central authority

Public Blockchain

Document is created and published online

Unique document identifier (SHA256 hash) is inserted in Public Blockchain

1 2

Record is timestamped through Blockchain Network

Interested persons are enabled to independently verify the document existed at certain point in time

3

4

City of Vienna - Blockchain Pilot

1st Blockchain-Pilot OGD history and notarization Solution architecture

Shows user verification

timestamp amp tamper-proof document

proving existence of a document

Notarization Front End

OGD

catalog Austria

(Metadata)

datagvat

Document notarization on the blockchain stores hash values of documents as proof of existence at the time of block formation For the pilot four blockchains are

used to guarantee redundancy

Data and services (xls csv html files)

City of Vienna

Controls OGD inventory of the City of Vienna and receives content PythonBash scripts

OGD Crawler

External validation of

the document one explorer

per blockchain

Blockchain Explorer

Public Blockchain fuumlr notarization

Existing systems

Developed solution

Existing infrastructureprograms

Stores hash values of documents for blockchain notarization and allows fast retrieval from front end

MongoDB

InterfaceAPI fuumlr Blockchain Zugriff Vorlage von Transaktionen in die

Blockchain

Used for pilot Stampery

Loumlsung mit Docker containerisiert

Blockchain Interface

Backend Database

Ethereum (ETH)

Ethereum Classic (ETC)

Bitcoin (BTC)

Litecoin (LTC)

1

2

4

3

5

Controls hash values of documents as well as their entry in blockchain and database for newchanged

documents PythonBash scripts

New OGD Integration

OGD transaction scripts

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers

Daily food vouchers for all employees

Settlement with partner restaurants

Accounting

Employee gets bdquoFood Vouchers Viennaldquo Wallet on hisher Smartphone and an own address for voucher

Employee discloses hisher wallet address Food vouchers are disbursed to the wallet

Employee can use food vouchers in partner restaurants

City of Vienna - Blockchain Pilot

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers (Proof of Concept)

Secure payment process via blockchain

Employee

Digital food voucher Transparent transaction

Data invariabilityt

Trust

Completely consistent

Resilient system

0x8046300f971a9268bca

0x93264401271a9268bce

010101010101010

101010101010101

010101010101010

101010101010101

ETHEREUM 3 Nodes

Private Blockchain

The basis for the digitization of the food brand is an ERC20 standard token The distribution of food stamps is limited to a defined circle of people Ethereum addresses are hexadecimal numbers called identifiers derived from the last 20 bytes of the Keccak-256 hash of the public key Consequently information such as a wallet address should not be considered as personal as far as the personal reference can not be established by linking with other information

Smart Contract

ERC20 Token Regulations Food voucher

Blockchain transactions and the proof-of-authority consensus mechanism take place in a private Ethereum Blockchain An online blockchain browser transparently displays individual blocks transactions transaction histories and address balances The Private Blockchain provides security and privacy for all transaction and reference data for recording and billing The solution uses the existing IT landscape and the IT network of the City of Vienna

010101010 01010101

Transfer

Partner restaurant

The app LETH is an easy-to-use mobile app for sending and receiving tokens and of course for the secure management of user keys Transactions are signed messages originating from an account and transmitted by the Ethereum network They ensure that a commissioned transaction is validated and a new transaction block is added to the chain

Blockexplorer

LETH Wallet APP

Culture Token

Culture Token ndash Project outline last update 23 August 2019

Project description

bull Pilot project with scientific supervision and evaluation

bull Gamification mobile app encourages people to cut CO2 emissions while enjoying art amp culture

bull Digital credits can be spent in various art amp culture facilities

bull Pilot initiative for a digital incentive system to increase the presence of art amp culture in peoplersquos daily lives

bull To be tested by a limited pilot user group in 2020

bull Pilot project to gather experience for the potential roll-out of a similar Vienna Token system

Culture Token ndash Project outline last update 30 August 2019

Framework conditions

bull The token system is NOT a social score card technology will NOT be used to sanction unwanted behaviour (like eg in China)

bull NO cryptocurrency

bull Privacy and data protection are guaranteed

bull Mainly for research purposes NO corporate interests

Culture Token ndash Project outline last update 30 August 2019

Project consortium

City of Vienna

bull Administrative Group for Cultural Affairs and Science

bull City of Vienna CIO

bull Municipal Department 01 ndash Information Technology

bull Upstream ndash next level Mobility GmbH

in cooperation with

bull Institute for Cryptoeconomics Vienna University of Economics and Business Administration

bull Dr Raoul Hoffer LLM ndash BINDER GROumlSSWANG Rechtsanwaumllte GmbH

bull Changerscom Blacksquared GmbH

Culture Token ndash Project outline last update 30 August 2019

Further Blockchain activities of the City of Vienna Local ndash National ndash International

bull Further development of Open Data - Pilot + Austria-wide expansion datagvat

bull BLOCKSTEMPEL notarization bdquoAustrian Public Service Blockchainldquo in cooperation with other consortium-partners bull Implementation of time stamp and notarization services for a variety of applications

bull Notarization of data and documents eg all official documents certificates for medical officers

bull WienBot and Machine Learning

bull Self sovereign identity Identification ldquoIdentifymerdquo

bull IoT (Internet of Things) security

bull Proof of origin ndash Logistic chains

bull Participation

bull Cooperation und partnership bull WU Vienna Research Institute for Cryptoeconomics

bull K1 COMET Research Center ABC (Austrian Blockchain Center)

bull DigitalCityWien ndash BlockchainInitiative Community meetings

bull Hosting EU Blockchain Observatory and Forums first workshop May 2018

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value

Page 2: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

Public sector and Blockchain Attack or opportunity hellip

bull Proactive involvement and stimulation of development

bull Network Blockchain Community in Vienna gt DigitalCityVienna - BlockchainInitiative

bull Blockchain offers technological possibilities to create more transparency efficiency and trust in administrative processes

bull Use for own processes gt Blockchain pilot projects

Bild

Ke

pay

o C

C B

Y S

A-3

0

Digital CityWien

A coalition of Viennese companies of the digital and ICT sector that work hand-in-hand with the City of Vienna to strengthen Vienna as a digital location httpsdigitalcitywien

Priorities and projects

bull Networking communication event cooperation project management (monthly meetings)

bull Digital Days ( November 4-5 2019)

bull education initiative

bull Citizens 60+

bull Women in IT (Digital Salon)

bull Industry Meets Makers

bull IoT Big Data AI

bull 7 Blockchain networking meetings since Dec 2017

DigitalCityWien ndash BlockchainInitiative Vibrant Blockchain Community Vienna

13 Dec 2017 1 Blockchain-Vernetzungstreffen bdquoCity of Vienna meets Viennese Blockchain-Communityldquo

26 Apr 2018 2 Blockchain-Vernetzungstreffen Wien Energie

30 Jun 2018 3 Blockchain-Vernetzungstreffen bdquoIdentityldquo SBA Resarch

15 Oct 2018 4 Blockchain-Vernetzungstreffen bdquoTokenldquo Accenture

23 Jan 2019 5 Blockchain-Vernetzungstreffen bdquoForschungldquo FH Technikum Wien

25 Apr 2019 6 Blockchain-Vernetzungstreffen bdquoAus- und Weiterbildungldquo Planning studio Vienna

23 Jul 2019 7 Blockchain-Vernetzungstreffen bdquoLogistik Transportwesen und Mobilitaumltldquo OumlBB

Interested Register at Kanonierurbaninnovationat

Vienna is Blockchain location

Blockchain pilots

Culture Token ndash Project outline last update 23 August 2019

Why Blockchain pilots

The City of Vienna wants tohellip bull Learn by implementing bull Use possibilities and chances offered by the Blockchain technology bull Find use cases to optimize processes bull Figure out the role of the administration bull Use token economy in a useful way bull Clarify legal questions bull Live open innovation

Innovation through openness amp cooperation with economy and science bull Link to the Blockchain community in Vienna

1st Blockchain-Pilot of the City of Vienna OGD history and notarization

bull Secure the integrity of OGD (Open Government Data) by unique document identifiers (hash values) in public Blockchains

bull Keep track of document-changes

bull httpsdigitaleswiengvatsiteopen-datablockchain-pruefen

bull Go live 14122017

The Blockchain enables reproducible public proof without central authority

Public Blockchain

Document is created and published online

Unique document identifier (SHA256 hash) is inserted in Public Blockchain

1 2

Record is timestamped through Blockchain Network

Interested persons are enabled to independently verify the document existed at certain point in time

3

4

City of Vienna - Blockchain Pilot

1st Blockchain-Pilot OGD history and notarization Solution architecture

Shows user verification

timestamp amp tamper-proof document

proving existence of a document

Notarization Front End

OGD

catalog Austria

(Metadata)

datagvat

Document notarization on the blockchain stores hash values of documents as proof of existence at the time of block formation For the pilot four blockchains are

used to guarantee redundancy

Data and services (xls csv html files)

City of Vienna

Controls OGD inventory of the City of Vienna and receives content PythonBash scripts

OGD Crawler

External validation of

the document one explorer

per blockchain

Blockchain Explorer

Public Blockchain fuumlr notarization

Existing systems

Developed solution

Existing infrastructureprograms

Stores hash values of documents for blockchain notarization and allows fast retrieval from front end

MongoDB

InterfaceAPI fuumlr Blockchain Zugriff Vorlage von Transaktionen in die

Blockchain

Used for pilot Stampery

Loumlsung mit Docker containerisiert

Blockchain Interface

Backend Database

Ethereum (ETH)

Ethereum Classic (ETC)

Bitcoin (BTC)

Litecoin (LTC)

1

2

4

3

5

Controls hash values of documents as well as their entry in blockchain and database for newchanged

documents PythonBash scripts

New OGD Integration

OGD transaction scripts

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers

Daily food vouchers for all employees

Settlement with partner restaurants

Accounting

Employee gets bdquoFood Vouchers Viennaldquo Wallet on hisher Smartphone and an own address for voucher

Employee discloses hisher wallet address Food vouchers are disbursed to the wallet

Employee can use food vouchers in partner restaurants

City of Vienna - Blockchain Pilot

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers (Proof of Concept)

Secure payment process via blockchain

Employee

Digital food voucher Transparent transaction

Data invariabilityt

Trust

Completely consistent

Resilient system

0x8046300f971a9268bca

0x93264401271a9268bce

010101010101010

101010101010101

010101010101010

101010101010101

ETHEREUM 3 Nodes

Private Blockchain

The basis for the digitization of the food brand is an ERC20 standard token The distribution of food stamps is limited to a defined circle of people Ethereum addresses are hexadecimal numbers called identifiers derived from the last 20 bytes of the Keccak-256 hash of the public key Consequently information such as a wallet address should not be considered as personal as far as the personal reference can not be established by linking with other information

Smart Contract

ERC20 Token Regulations Food voucher

Blockchain transactions and the proof-of-authority consensus mechanism take place in a private Ethereum Blockchain An online blockchain browser transparently displays individual blocks transactions transaction histories and address balances The Private Blockchain provides security and privacy for all transaction and reference data for recording and billing The solution uses the existing IT landscape and the IT network of the City of Vienna

010101010 01010101

Transfer

Partner restaurant

The app LETH is an easy-to-use mobile app for sending and receiving tokens and of course for the secure management of user keys Transactions are signed messages originating from an account and transmitted by the Ethereum network They ensure that a commissioned transaction is validated and a new transaction block is added to the chain

Blockexplorer

LETH Wallet APP

Culture Token

Culture Token ndash Project outline last update 23 August 2019

Project description

bull Pilot project with scientific supervision and evaluation

bull Gamification mobile app encourages people to cut CO2 emissions while enjoying art amp culture

bull Digital credits can be spent in various art amp culture facilities

bull Pilot initiative for a digital incentive system to increase the presence of art amp culture in peoplersquos daily lives

bull To be tested by a limited pilot user group in 2020

bull Pilot project to gather experience for the potential roll-out of a similar Vienna Token system

Culture Token ndash Project outline last update 30 August 2019

Framework conditions

bull The token system is NOT a social score card technology will NOT be used to sanction unwanted behaviour (like eg in China)

bull NO cryptocurrency

bull Privacy and data protection are guaranteed

bull Mainly for research purposes NO corporate interests

Culture Token ndash Project outline last update 30 August 2019

Project consortium

City of Vienna

bull Administrative Group for Cultural Affairs and Science

bull City of Vienna CIO

bull Municipal Department 01 ndash Information Technology

bull Upstream ndash next level Mobility GmbH

in cooperation with

bull Institute for Cryptoeconomics Vienna University of Economics and Business Administration

bull Dr Raoul Hoffer LLM ndash BINDER GROumlSSWANG Rechtsanwaumllte GmbH

bull Changerscom Blacksquared GmbH

Culture Token ndash Project outline last update 30 August 2019

Further Blockchain activities of the City of Vienna Local ndash National ndash International

bull Further development of Open Data - Pilot + Austria-wide expansion datagvat

bull BLOCKSTEMPEL notarization bdquoAustrian Public Service Blockchainldquo in cooperation with other consortium-partners bull Implementation of time stamp and notarization services for a variety of applications

bull Notarization of data and documents eg all official documents certificates for medical officers

bull WienBot and Machine Learning

bull Self sovereign identity Identification ldquoIdentifymerdquo

bull IoT (Internet of Things) security

bull Proof of origin ndash Logistic chains

bull Participation

bull Cooperation und partnership bull WU Vienna Research Institute for Cryptoeconomics

bull K1 COMET Research Center ABC (Austrian Blockchain Center)

bull DigitalCityWien ndash BlockchainInitiative Community meetings

bull Hosting EU Blockchain Observatory and Forums first workshop May 2018

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value

Page 3: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

Digital CityWien

A coalition of Viennese companies of the digital and ICT sector that work hand-in-hand with the City of Vienna to strengthen Vienna as a digital location httpsdigitalcitywien

Priorities and projects

bull Networking communication event cooperation project management (monthly meetings)

bull Digital Days ( November 4-5 2019)

bull education initiative

bull Citizens 60+

bull Women in IT (Digital Salon)

bull Industry Meets Makers

bull IoT Big Data AI

bull 7 Blockchain networking meetings since Dec 2017

DigitalCityWien ndash BlockchainInitiative Vibrant Blockchain Community Vienna

13 Dec 2017 1 Blockchain-Vernetzungstreffen bdquoCity of Vienna meets Viennese Blockchain-Communityldquo

26 Apr 2018 2 Blockchain-Vernetzungstreffen Wien Energie

30 Jun 2018 3 Blockchain-Vernetzungstreffen bdquoIdentityldquo SBA Resarch

15 Oct 2018 4 Blockchain-Vernetzungstreffen bdquoTokenldquo Accenture

23 Jan 2019 5 Blockchain-Vernetzungstreffen bdquoForschungldquo FH Technikum Wien

25 Apr 2019 6 Blockchain-Vernetzungstreffen bdquoAus- und Weiterbildungldquo Planning studio Vienna

23 Jul 2019 7 Blockchain-Vernetzungstreffen bdquoLogistik Transportwesen und Mobilitaumltldquo OumlBB

Interested Register at Kanonierurbaninnovationat

Vienna is Blockchain location

Blockchain pilots

Culture Token ndash Project outline last update 23 August 2019

Why Blockchain pilots

The City of Vienna wants tohellip bull Learn by implementing bull Use possibilities and chances offered by the Blockchain technology bull Find use cases to optimize processes bull Figure out the role of the administration bull Use token economy in a useful way bull Clarify legal questions bull Live open innovation

Innovation through openness amp cooperation with economy and science bull Link to the Blockchain community in Vienna

1st Blockchain-Pilot of the City of Vienna OGD history and notarization

bull Secure the integrity of OGD (Open Government Data) by unique document identifiers (hash values) in public Blockchains

bull Keep track of document-changes

bull httpsdigitaleswiengvatsiteopen-datablockchain-pruefen

bull Go live 14122017

The Blockchain enables reproducible public proof without central authority

Public Blockchain

Document is created and published online

Unique document identifier (SHA256 hash) is inserted in Public Blockchain

1 2

Record is timestamped through Blockchain Network

Interested persons are enabled to independently verify the document existed at certain point in time

3

4

City of Vienna - Blockchain Pilot

1st Blockchain-Pilot OGD history and notarization Solution architecture

Shows user verification

timestamp amp tamper-proof document

proving existence of a document

Notarization Front End

OGD

catalog Austria

(Metadata)

datagvat

Document notarization on the blockchain stores hash values of documents as proof of existence at the time of block formation For the pilot four blockchains are

used to guarantee redundancy

Data and services (xls csv html files)

City of Vienna

Controls OGD inventory of the City of Vienna and receives content PythonBash scripts

OGD Crawler

External validation of

the document one explorer

per blockchain

Blockchain Explorer

Public Blockchain fuumlr notarization

Existing systems

Developed solution

Existing infrastructureprograms

Stores hash values of documents for blockchain notarization and allows fast retrieval from front end

MongoDB

InterfaceAPI fuumlr Blockchain Zugriff Vorlage von Transaktionen in die

Blockchain

Used for pilot Stampery

Loumlsung mit Docker containerisiert

Blockchain Interface

Backend Database

Ethereum (ETH)

Ethereum Classic (ETC)

Bitcoin (BTC)

Litecoin (LTC)

1

2

4

3

5

Controls hash values of documents as well as their entry in blockchain and database for newchanged

documents PythonBash scripts

New OGD Integration

OGD transaction scripts

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers

Daily food vouchers for all employees

Settlement with partner restaurants

Accounting

Employee gets bdquoFood Vouchers Viennaldquo Wallet on hisher Smartphone and an own address for voucher

Employee discloses hisher wallet address Food vouchers are disbursed to the wallet

Employee can use food vouchers in partner restaurants

City of Vienna - Blockchain Pilot

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers (Proof of Concept)

Secure payment process via blockchain

Employee

Digital food voucher Transparent transaction

Data invariabilityt

Trust

Completely consistent

Resilient system

0x8046300f971a9268bca

0x93264401271a9268bce

010101010101010

101010101010101

010101010101010

101010101010101

ETHEREUM 3 Nodes

Private Blockchain

The basis for the digitization of the food brand is an ERC20 standard token The distribution of food stamps is limited to a defined circle of people Ethereum addresses are hexadecimal numbers called identifiers derived from the last 20 bytes of the Keccak-256 hash of the public key Consequently information such as a wallet address should not be considered as personal as far as the personal reference can not be established by linking with other information

Smart Contract

ERC20 Token Regulations Food voucher

Blockchain transactions and the proof-of-authority consensus mechanism take place in a private Ethereum Blockchain An online blockchain browser transparently displays individual blocks transactions transaction histories and address balances The Private Blockchain provides security and privacy for all transaction and reference data for recording and billing The solution uses the existing IT landscape and the IT network of the City of Vienna

010101010 01010101

Transfer

Partner restaurant

The app LETH is an easy-to-use mobile app for sending and receiving tokens and of course for the secure management of user keys Transactions are signed messages originating from an account and transmitted by the Ethereum network They ensure that a commissioned transaction is validated and a new transaction block is added to the chain

Blockexplorer

LETH Wallet APP

Culture Token

Culture Token ndash Project outline last update 23 August 2019

Project description

bull Pilot project with scientific supervision and evaluation

bull Gamification mobile app encourages people to cut CO2 emissions while enjoying art amp culture

bull Digital credits can be spent in various art amp culture facilities

bull Pilot initiative for a digital incentive system to increase the presence of art amp culture in peoplersquos daily lives

bull To be tested by a limited pilot user group in 2020

bull Pilot project to gather experience for the potential roll-out of a similar Vienna Token system

Culture Token ndash Project outline last update 30 August 2019

Framework conditions

bull The token system is NOT a social score card technology will NOT be used to sanction unwanted behaviour (like eg in China)

bull NO cryptocurrency

bull Privacy and data protection are guaranteed

bull Mainly for research purposes NO corporate interests

Culture Token ndash Project outline last update 30 August 2019

Project consortium

City of Vienna

bull Administrative Group for Cultural Affairs and Science

bull City of Vienna CIO

bull Municipal Department 01 ndash Information Technology

bull Upstream ndash next level Mobility GmbH

in cooperation with

bull Institute for Cryptoeconomics Vienna University of Economics and Business Administration

bull Dr Raoul Hoffer LLM ndash BINDER GROumlSSWANG Rechtsanwaumllte GmbH

bull Changerscom Blacksquared GmbH

Culture Token ndash Project outline last update 30 August 2019

Further Blockchain activities of the City of Vienna Local ndash National ndash International

bull Further development of Open Data - Pilot + Austria-wide expansion datagvat

bull BLOCKSTEMPEL notarization bdquoAustrian Public Service Blockchainldquo in cooperation with other consortium-partners bull Implementation of time stamp and notarization services for a variety of applications

bull Notarization of data and documents eg all official documents certificates for medical officers

bull WienBot and Machine Learning

bull Self sovereign identity Identification ldquoIdentifymerdquo

bull IoT (Internet of Things) security

bull Proof of origin ndash Logistic chains

bull Participation

bull Cooperation und partnership bull WU Vienna Research Institute for Cryptoeconomics

bull K1 COMET Research Center ABC (Austrian Blockchain Center)

bull DigitalCityWien ndash BlockchainInitiative Community meetings

bull Hosting EU Blockchain Observatory and Forums first workshop May 2018

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value

Page 4: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

DigitalCityWien ndash BlockchainInitiative Vibrant Blockchain Community Vienna

13 Dec 2017 1 Blockchain-Vernetzungstreffen bdquoCity of Vienna meets Viennese Blockchain-Communityldquo

26 Apr 2018 2 Blockchain-Vernetzungstreffen Wien Energie

30 Jun 2018 3 Blockchain-Vernetzungstreffen bdquoIdentityldquo SBA Resarch

15 Oct 2018 4 Blockchain-Vernetzungstreffen bdquoTokenldquo Accenture

23 Jan 2019 5 Blockchain-Vernetzungstreffen bdquoForschungldquo FH Technikum Wien

25 Apr 2019 6 Blockchain-Vernetzungstreffen bdquoAus- und Weiterbildungldquo Planning studio Vienna

23 Jul 2019 7 Blockchain-Vernetzungstreffen bdquoLogistik Transportwesen und Mobilitaumltldquo OumlBB

Interested Register at Kanonierurbaninnovationat

Vienna is Blockchain location

Blockchain pilots

Culture Token ndash Project outline last update 23 August 2019

Why Blockchain pilots

The City of Vienna wants tohellip bull Learn by implementing bull Use possibilities and chances offered by the Blockchain technology bull Find use cases to optimize processes bull Figure out the role of the administration bull Use token economy in a useful way bull Clarify legal questions bull Live open innovation

Innovation through openness amp cooperation with economy and science bull Link to the Blockchain community in Vienna

1st Blockchain-Pilot of the City of Vienna OGD history and notarization

bull Secure the integrity of OGD (Open Government Data) by unique document identifiers (hash values) in public Blockchains

bull Keep track of document-changes

bull httpsdigitaleswiengvatsiteopen-datablockchain-pruefen

bull Go live 14122017

The Blockchain enables reproducible public proof without central authority

Public Blockchain

Document is created and published online

Unique document identifier (SHA256 hash) is inserted in Public Blockchain

1 2

Record is timestamped through Blockchain Network

Interested persons are enabled to independently verify the document existed at certain point in time

3

4

City of Vienna - Blockchain Pilot

1st Blockchain-Pilot OGD history and notarization Solution architecture

Shows user verification

timestamp amp tamper-proof document

proving existence of a document

Notarization Front End

OGD

catalog Austria

(Metadata)

datagvat

Document notarization on the blockchain stores hash values of documents as proof of existence at the time of block formation For the pilot four blockchains are

used to guarantee redundancy

Data and services (xls csv html files)

City of Vienna

Controls OGD inventory of the City of Vienna and receives content PythonBash scripts

OGD Crawler

External validation of

the document one explorer

per blockchain

Blockchain Explorer

Public Blockchain fuumlr notarization

Existing systems

Developed solution

Existing infrastructureprograms

Stores hash values of documents for blockchain notarization and allows fast retrieval from front end

MongoDB

InterfaceAPI fuumlr Blockchain Zugriff Vorlage von Transaktionen in die

Blockchain

Used for pilot Stampery

Loumlsung mit Docker containerisiert

Blockchain Interface

Backend Database

Ethereum (ETH)

Ethereum Classic (ETC)

Bitcoin (BTC)

Litecoin (LTC)

1

2

4

3

5

Controls hash values of documents as well as their entry in blockchain and database for newchanged

documents PythonBash scripts

New OGD Integration

OGD transaction scripts

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers

Daily food vouchers for all employees

Settlement with partner restaurants

Accounting

Employee gets bdquoFood Vouchers Viennaldquo Wallet on hisher Smartphone and an own address for voucher

Employee discloses hisher wallet address Food vouchers are disbursed to the wallet

Employee can use food vouchers in partner restaurants

City of Vienna - Blockchain Pilot

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers (Proof of Concept)

Secure payment process via blockchain

Employee

Digital food voucher Transparent transaction

Data invariabilityt

Trust

Completely consistent

Resilient system

0x8046300f971a9268bca

0x93264401271a9268bce

010101010101010

101010101010101

010101010101010

101010101010101

ETHEREUM 3 Nodes

Private Blockchain

The basis for the digitization of the food brand is an ERC20 standard token The distribution of food stamps is limited to a defined circle of people Ethereum addresses are hexadecimal numbers called identifiers derived from the last 20 bytes of the Keccak-256 hash of the public key Consequently information such as a wallet address should not be considered as personal as far as the personal reference can not be established by linking with other information

Smart Contract

ERC20 Token Regulations Food voucher

Blockchain transactions and the proof-of-authority consensus mechanism take place in a private Ethereum Blockchain An online blockchain browser transparently displays individual blocks transactions transaction histories and address balances The Private Blockchain provides security and privacy for all transaction and reference data for recording and billing The solution uses the existing IT landscape and the IT network of the City of Vienna

010101010 01010101

Transfer

Partner restaurant

The app LETH is an easy-to-use mobile app for sending and receiving tokens and of course for the secure management of user keys Transactions are signed messages originating from an account and transmitted by the Ethereum network They ensure that a commissioned transaction is validated and a new transaction block is added to the chain

Blockexplorer

LETH Wallet APP

Culture Token

Culture Token ndash Project outline last update 23 August 2019

Project description

bull Pilot project with scientific supervision and evaluation

bull Gamification mobile app encourages people to cut CO2 emissions while enjoying art amp culture

bull Digital credits can be spent in various art amp culture facilities

bull Pilot initiative for a digital incentive system to increase the presence of art amp culture in peoplersquos daily lives

bull To be tested by a limited pilot user group in 2020

bull Pilot project to gather experience for the potential roll-out of a similar Vienna Token system

Culture Token ndash Project outline last update 30 August 2019

Framework conditions

bull The token system is NOT a social score card technology will NOT be used to sanction unwanted behaviour (like eg in China)

bull NO cryptocurrency

bull Privacy and data protection are guaranteed

bull Mainly for research purposes NO corporate interests

Culture Token ndash Project outline last update 30 August 2019

Project consortium

City of Vienna

bull Administrative Group for Cultural Affairs and Science

bull City of Vienna CIO

bull Municipal Department 01 ndash Information Technology

bull Upstream ndash next level Mobility GmbH

in cooperation with

bull Institute for Cryptoeconomics Vienna University of Economics and Business Administration

bull Dr Raoul Hoffer LLM ndash BINDER GROumlSSWANG Rechtsanwaumllte GmbH

bull Changerscom Blacksquared GmbH

Culture Token ndash Project outline last update 30 August 2019

Further Blockchain activities of the City of Vienna Local ndash National ndash International

bull Further development of Open Data - Pilot + Austria-wide expansion datagvat

bull BLOCKSTEMPEL notarization bdquoAustrian Public Service Blockchainldquo in cooperation with other consortium-partners bull Implementation of time stamp and notarization services for a variety of applications

bull Notarization of data and documents eg all official documents certificates for medical officers

bull WienBot and Machine Learning

bull Self sovereign identity Identification ldquoIdentifymerdquo

bull IoT (Internet of Things) security

bull Proof of origin ndash Logistic chains

bull Participation

bull Cooperation und partnership bull WU Vienna Research Institute for Cryptoeconomics

bull K1 COMET Research Center ABC (Austrian Blockchain Center)

bull DigitalCityWien ndash BlockchainInitiative Community meetings

bull Hosting EU Blockchain Observatory and Forums first workshop May 2018

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value

Page 5: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

Vienna is Blockchain location

Blockchain pilots

Culture Token ndash Project outline last update 23 August 2019

Why Blockchain pilots

The City of Vienna wants tohellip bull Learn by implementing bull Use possibilities and chances offered by the Blockchain technology bull Find use cases to optimize processes bull Figure out the role of the administration bull Use token economy in a useful way bull Clarify legal questions bull Live open innovation

Innovation through openness amp cooperation with economy and science bull Link to the Blockchain community in Vienna

1st Blockchain-Pilot of the City of Vienna OGD history and notarization

bull Secure the integrity of OGD (Open Government Data) by unique document identifiers (hash values) in public Blockchains

bull Keep track of document-changes

bull httpsdigitaleswiengvatsiteopen-datablockchain-pruefen

bull Go live 14122017

The Blockchain enables reproducible public proof without central authority

Public Blockchain

Document is created and published online

Unique document identifier (SHA256 hash) is inserted in Public Blockchain

1 2

Record is timestamped through Blockchain Network

Interested persons are enabled to independently verify the document existed at certain point in time

3

4

City of Vienna - Blockchain Pilot

1st Blockchain-Pilot OGD history and notarization Solution architecture

Shows user verification

timestamp amp tamper-proof document

proving existence of a document

Notarization Front End

OGD

catalog Austria

(Metadata)

datagvat

Document notarization on the blockchain stores hash values of documents as proof of existence at the time of block formation For the pilot four blockchains are

used to guarantee redundancy

Data and services (xls csv html files)

City of Vienna

Controls OGD inventory of the City of Vienna and receives content PythonBash scripts

OGD Crawler

External validation of

the document one explorer

per blockchain

Blockchain Explorer

Public Blockchain fuumlr notarization

Existing systems

Developed solution

Existing infrastructureprograms

Stores hash values of documents for blockchain notarization and allows fast retrieval from front end

MongoDB

InterfaceAPI fuumlr Blockchain Zugriff Vorlage von Transaktionen in die

Blockchain

Used for pilot Stampery

Loumlsung mit Docker containerisiert

Blockchain Interface

Backend Database

Ethereum (ETH)

Ethereum Classic (ETC)

Bitcoin (BTC)

Litecoin (LTC)

1

2

4

3

5

Controls hash values of documents as well as their entry in blockchain and database for newchanged

documents PythonBash scripts

New OGD Integration

OGD transaction scripts

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers

Daily food vouchers for all employees

Settlement with partner restaurants

Accounting

Employee gets bdquoFood Vouchers Viennaldquo Wallet on hisher Smartphone and an own address for voucher

Employee discloses hisher wallet address Food vouchers are disbursed to the wallet

Employee can use food vouchers in partner restaurants

City of Vienna - Blockchain Pilot

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers (Proof of Concept)

Secure payment process via blockchain

Employee

Digital food voucher Transparent transaction

Data invariabilityt

Trust

Completely consistent

Resilient system

0x8046300f971a9268bca

0x93264401271a9268bce

010101010101010

101010101010101

010101010101010

101010101010101

ETHEREUM 3 Nodes

Private Blockchain

The basis for the digitization of the food brand is an ERC20 standard token The distribution of food stamps is limited to a defined circle of people Ethereum addresses are hexadecimal numbers called identifiers derived from the last 20 bytes of the Keccak-256 hash of the public key Consequently information such as a wallet address should not be considered as personal as far as the personal reference can not be established by linking with other information

Smart Contract

ERC20 Token Regulations Food voucher

Blockchain transactions and the proof-of-authority consensus mechanism take place in a private Ethereum Blockchain An online blockchain browser transparently displays individual blocks transactions transaction histories and address balances The Private Blockchain provides security and privacy for all transaction and reference data for recording and billing The solution uses the existing IT landscape and the IT network of the City of Vienna

010101010 01010101

Transfer

Partner restaurant

The app LETH is an easy-to-use mobile app for sending and receiving tokens and of course for the secure management of user keys Transactions are signed messages originating from an account and transmitted by the Ethereum network They ensure that a commissioned transaction is validated and a new transaction block is added to the chain

Blockexplorer

LETH Wallet APP

Culture Token

Culture Token ndash Project outline last update 23 August 2019

Project description

bull Pilot project with scientific supervision and evaluation

bull Gamification mobile app encourages people to cut CO2 emissions while enjoying art amp culture

bull Digital credits can be spent in various art amp culture facilities

bull Pilot initiative for a digital incentive system to increase the presence of art amp culture in peoplersquos daily lives

bull To be tested by a limited pilot user group in 2020

bull Pilot project to gather experience for the potential roll-out of a similar Vienna Token system

Culture Token ndash Project outline last update 30 August 2019

Framework conditions

bull The token system is NOT a social score card technology will NOT be used to sanction unwanted behaviour (like eg in China)

bull NO cryptocurrency

bull Privacy and data protection are guaranteed

bull Mainly for research purposes NO corporate interests

Culture Token ndash Project outline last update 30 August 2019

Project consortium

City of Vienna

bull Administrative Group for Cultural Affairs and Science

bull City of Vienna CIO

bull Municipal Department 01 ndash Information Technology

bull Upstream ndash next level Mobility GmbH

in cooperation with

bull Institute for Cryptoeconomics Vienna University of Economics and Business Administration

bull Dr Raoul Hoffer LLM ndash BINDER GROumlSSWANG Rechtsanwaumllte GmbH

bull Changerscom Blacksquared GmbH

Culture Token ndash Project outline last update 30 August 2019

Further Blockchain activities of the City of Vienna Local ndash National ndash International

bull Further development of Open Data - Pilot + Austria-wide expansion datagvat

bull BLOCKSTEMPEL notarization bdquoAustrian Public Service Blockchainldquo in cooperation with other consortium-partners bull Implementation of time stamp and notarization services for a variety of applications

bull Notarization of data and documents eg all official documents certificates for medical officers

bull WienBot and Machine Learning

bull Self sovereign identity Identification ldquoIdentifymerdquo

bull IoT (Internet of Things) security

bull Proof of origin ndash Logistic chains

bull Participation

bull Cooperation und partnership bull WU Vienna Research Institute for Cryptoeconomics

bull K1 COMET Research Center ABC (Austrian Blockchain Center)

bull DigitalCityWien ndash BlockchainInitiative Community meetings

bull Hosting EU Blockchain Observatory and Forums first workshop May 2018

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value

Page 6: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

Blockchain pilots

Culture Token ndash Project outline last update 23 August 2019

Why Blockchain pilots

The City of Vienna wants tohellip bull Learn by implementing bull Use possibilities and chances offered by the Blockchain technology bull Find use cases to optimize processes bull Figure out the role of the administration bull Use token economy in a useful way bull Clarify legal questions bull Live open innovation

Innovation through openness amp cooperation with economy and science bull Link to the Blockchain community in Vienna

1st Blockchain-Pilot of the City of Vienna OGD history and notarization

bull Secure the integrity of OGD (Open Government Data) by unique document identifiers (hash values) in public Blockchains

bull Keep track of document-changes

bull httpsdigitaleswiengvatsiteopen-datablockchain-pruefen

bull Go live 14122017

The Blockchain enables reproducible public proof without central authority

Public Blockchain

Document is created and published online

Unique document identifier (SHA256 hash) is inserted in Public Blockchain

1 2

Record is timestamped through Blockchain Network

Interested persons are enabled to independently verify the document existed at certain point in time

3

4

City of Vienna - Blockchain Pilot

1st Blockchain-Pilot OGD history and notarization Solution architecture

Shows user verification

timestamp amp tamper-proof document

proving existence of a document

Notarization Front End

OGD

catalog Austria

(Metadata)

datagvat

Document notarization on the blockchain stores hash values of documents as proof of existence at the time of block formation For the pilot four blockchains are

used to guarantee redundancy

Data and services (xls csv html files)

City of Vienna

Controls OGD inventory of the City of Vienna and receives content PythonBash scripts

OGD Crawler

External validation of

the document one explorer

per blockchain

Blockchain Explorer

Public Blockchain fuumlr notarization

Existing systems

Developed solution

Existing infrastructureprograms

Stores hash values of documents for blockchain notarization and allows fast retrieval from front end

MongoDB

InterfaceAPI fuumlr Blockchain Zugriff Vorlage von Transaktionen in die

Blockchain

Used for pilot Stampery

Loumlsung mit Docker containerisiert

Blockchain Interface

Backend Database

Ethereum (ETH)

Ethereum Classic (ETC)

Bitcoin (BTC)

Litecoin (LTC)

1

2

4

3

5

Controls hash values of documents as well as their entry in blockchain and database for newchanged

documents PythonBash scripts

New OGD Integration

OGD transaction scripts

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers

Daily food vouchers for all employees

Settlement with partner restaurants

Accounting

Employee gets bdquoFood Vouchers Viennaldquo Wallet on hisher Smartphone and an own address for voucher

Employee discloses hisher wallet address Food vouchers are disbursed to the wallet

Employee can use food vouchers in partner restaurants

City of Vienna - Blockchain Pilot

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers (Proof of Concept)

Secure payment process via blockchain

Employee

Digital food voucher Transparent transaction

Data invariabilityt

Trust

Completely consistent

Resilient system

0x8046300f971a9268bca

0x93264401271a9268bce

010101010101010

101010101010101

010101010101010

101010101010101

ETHEREUM 3 Nodes

Private Blockchain

The basis for the digitization of the food brand is an ERC20 standard token The distribution of food stamps is limited to a defined circle of people Ethereum addresses are hexadecimal numbers called identifiers derived from the last 20 bytes of the Keccak-256 hash of the public key Consequently information such as a wallet address should not be considered as personal as far as the personal reference can not be established by linking with other information

Smart Contract

ERC20 Token Regulations Food voucher

Blockchain transactions and the proof-of-authority consensus mechanism take place in a private Ethereum Blockchain An online blockchain browser transparently displays individual blocks transactions transaction histories and address balances The Private Blockchain provides security and privacy for all transaction and reference data for recording and billing The solution uses the existing IT landscape and the IT network of the City of Vienna

010101010 01010101

Transfer

Partner restaurant

The app LETH is an easy-to-use mobile app for sending and receiving tokens and of course for the secure management of user keys Transactions are signed messages originating from an account and transmitted by the Ethereum network They ensure that a commissioned transaction is validated and a new transaction block is added to the chain

Blockexplorer

LETH Wallet APP

Culture Token

Culture Token ndash Project outline last update 23 August 2019

Project description

bull Pilot project with scientific supervision and evaluation

bull Gamification mobile app encourages people to cut CO2 emissions while enjoying art amp culture

bull Digital credits can be spent in various art amp culture facilities

bull Pilot initiative for a digital incentive system to increase the presence of art amp culture in peoplersquos daily lives

bull To be tested by a limited pilot user group in 2020

bull Pilot project to gather experience for the potential roll-out of a similar Vienna Token system

Culture Token ndash Project outline last update 30 August 2019

Framework conditions

bull The token system is NOT a social score card technology will NOT be used to sanction unwanted behaviour (like eg in China)

bull NO cryptocurrency

bull Privacy and data protection are guaranteed

bull Mainly for research purposes NO corporate interests

Culture Token ndash Project outline last update 30 August 2019

Project consortium

City of Vienna

bull Administrative Group for Cultural Affairs and Science

bull City of Vienna CIO

bull Municipal Department 01 ndash Information Technology

bull Upstream ndash next level Mobility GmbH

in cooperation with

bull Institute for Cryptoeconomics Vienna University of Economics and Business Administration

bull Dr Raoul Hoffer LLM ndash BINDER GROumlSSWANG Rechtsanwaumllte GmbH

bull Changerscom Blacksquared GmbH

Culture Token ndash Project outline last update 30 August 2019

Further Blockchain activities of the City of Vienna Local ndash National ndash International

bull Further development of Open Data - Pilot + Austria-wide expansion datagvat

bull BLOCKSTEMPEL notarization bdquoAustrian Public Service Blockchainldquo in cooperation with other consortium-partners bull Implementation of time stamp and notarization services for a variety of applications

bull Notarization of data and documents eg all official documents certificates for medical officers

bull WienBot and Machine Learning

bull Self sovereign identity Identification ldquoIdentifymerdquo

bull IoT (Internet of Things) security

bull Proof of origin ndash Logistic chains

bull Participation

bull Cooperation und partnership bull WU Vienna Research Institute for Cryptoeconomics

bull K1 COMET Research Center ABC (Austrian Blockchain Center)

bull DigitalCityWien ndash BlockchainInitiative Community meetings

bull Hosting EU Blockchain Observatory and Forums first workshop May 2018

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value

Page 7: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

Why Blockchain pilots

The City of Vienna wants tohellip bull Learn by implementing bull Use possibilities and chances offered by the Blockchain technology bull Find use cases to optimize processes bull Figure out the role of the administration bull Use token economy in a useful way bull Clarify legal questions bull Live open innovation

Innovation through openness amp cooperation with economy and science bull Link to the Blockchain community in Vienna

1st Blockchain-Pilot of the City of Vienna OGD history and notarization

bull Secure the integrity of OGD (Open Government Data) by unique document identifiers (hash values) in public Blockchains

bull Keep track of document-changes

bull httpsdigitaleswiengvatsiteopen-datablockchain-pruefen

bull Go live 14122017

The Blockchain enables reproducible public proof without central authority

Public Blockchain

Document is created and published online

Unique document identifier (SHA256 hash) is inserted in Public Blockchain

1 2

Record is timestamped through Blockchain Network

Interested persons are enabled to independently verify the document existed at certain point in time

3

4

City of Vienna - Blockchain Pilot

1st Blockchain-Pilot OGD history and notarization Solution architecture

Shows user verification

timestamp amp tamper-proof document

proving existence of a document

Notarization Front End

OGD

catalog Austria

(Metadata)

datagvat

Document notarization on the blockchain stores hash values of documents as proof of existence at the time of block formation For the pilot four blockchains are

used to guarantee redundancy

Data and services (xls csv html files)

City of Vienna

Controls OGD inventory of the City of Vienna and receives content PythonBash scripts

OGD Crawler

External validation of

the document one explorer

per blockchain

Blockchain Explorer

Public Blockchain fuumlr notarization

Existing systems

Developed solution

Existing infrastructureprograms

Stores hash values of documents for blockchain notarization and allows fast retrieval from front end

MongoDB

InterfaceAPI fuumlr Blockchain Zugriff Vorlage von Transaktionen in die

Blockchain

Used for pilot Stampery

Loumlsung mit Docker containerisiert

Blockchain Interface

Backend Database

Ethereum (ETH)

Ethereum Classic (ETC)

Bitcoin (BTC)

Litecoin (LTC)

1

2

4

3

5

Controls hash values of documents as well as their entry in blockchain and database for newchanged

documents PythonBash scripts

New OGD Integration

OGD transaction scripts

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers

Daily food vouchers for all employees

Settlement with partner restaurants

Accounting

Employee gets bdquoFood Vouchers Viennaldquo Wallet on hisher Smartphone and an own address for voucher

Employee discloses hisher wallet address Food vouchers are disbursed to the wallet

Employee can use food vouchers in partner restaurants

City of Vienna - Blockchain Pilot

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers (Proof of Concept)

Secure payment process via blockchain

Employee

Digital food voucher Transparent transaction

Data invariabilityt

Trust

Completely consistent

Resilient system

0x8046300f971a9268bca

0x93264401271a9268bce

010101010101010

101010101010101

010101010101010

101010101010101

ETHEREUM 3 Nodes

Private Blockchain

The basis for the digitization of the food brand is an ERC20 standard token The distribution of food stamps is limited to a defined circle of people Ethereum addresses are hexadecimal numbers called identifiers derived from the last 20 bytes of the Keccak-256 hash of the public key Consequently information such as a wallet address should not be considered as personal as far as the personal reference can not be established by linking with other information

Smart Contract

ERC20 Token Regulations Food voucher

Blockchain transactions and the proof-of-authority consensus mechanism take place in a private Ethereum Blockchain An online blockchain browser transparently displays individual blocks transactions transaction histories and address balances The Private Blockchain provides security and privacy for all transaction and reference data for recording and billing The solution uses the existing IT landscape and the IT network of the City of Vienna

010101010 01010101

Transfer

Partner restaurant

The app LETH is an easy-to-use mobile app for sending and receiving tokens and of course for the secure management of user keys Transactions are signed messages originating from an account and transmitted by the Ethereum network They ensure that a commissioned transaction is validated and a new transaction block is added to the chain

Blockexplorer

LETH Wallet APP

Culture Token

Culture Token ndash Project outline last update 23 August 2019

Project description

bull Pilot project with scientific supervision and evaluation

bull Gamification mobile app encourages people to cut CO2 emissions while enjoying art amp culture

bull Digital credits can be spent in various art amp culture facilities

bull Pilot initiative for a digital incentive system to increase the presence of art amp culture in peoplersquos daily lives

bull To be tested by a limited pilot user group in 2020

bull Pilot project to gather experience for the potential roll-out of a similar Vienna Token system

Culture Token ndash Project outline last update 30 August 2019

Framework conditions

bull The token system is NOT a social score card technology will NOT be used to sanction unwanted behaviour (like eg in China)

bull NO cryptocurrency

bull Privacy and data protection are guaranteed

bull Mainly for research purposes NO corporate interests

Culture Token ndash Project outline last update 30 August 2019

Project consortium

City of Vienna

bull Administrative Group for Cultural Affairs and Science

bull City of Vienna CIO

bull Municipal Department 01 ndash Information Technology

bull Upstream ndash next level Mobility GmbH

in cooperation with

bull Institute for Cryptoeconomics Vienna University of Economics and Business Administration

bull Dr Raoul Hoffer LLM ndash BINDER GROumlSSWANG Rechtsanwaumllte GmbH

bull Changerscom Blacksquared GmbH

Culture Token ndash Project outline last update 30 August 2019

Further Blockchain activities of the City of Vienna Local ndash National ndash International

bull Further development of Open Data - Pilot + Austria-wide expansion datagvat

bull BLOCKSTEMPEL notarization bdquoAustrian Public Service Blockchainldquo in cooperation with other consortium-partners bull Implementation of time stamp and notarization services for a variety of applications

bull Notarization of data and documents eg all official documents certificates for medical officers

bull WienBot and Machine Learning

bull Self sovereign identity Identification ldquoIdentifymerdquo

bull IoT (Internet of Things) security

bull Proof of origin ndash Logistic chains

bull Participation

bull Cooperation und partnership bull WU Vienna Research Institute for Cryptoeconomics

bull K1 COMET Research Center ABC (Austrian Blockchain Center)

bull DigitalCityWien ndash BlockchainInitiative Community meetings

bull Hosting EU Blockchain Observatory and Forums first workshop May 2018

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value

Page 8: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

1st Blockchain-Pilot of the City of Vienna OGD history and notarization

bull Secure the integrity of OGD (Open Government Data) by unique document identifiers (hash values) in public Blockchains

bull Keep track of document-changes

bull httpsdigitaleswiengvatsiteopen-datablockchain-pruefen

bull Go live 14122017

The Blockchain enables reproducible public proof without central authority

Public Blockchain

Document is created and published online

Unique document identifier (SHA256 hash) is inserted in Public Blockchain

1 2

Record is timestamped through Blockchain Network

Interested persons are enabled to independently verify the document existed at certain point in time

3

4

City of Vienna - Blockchain Pilot

1st Blockchain-Pilot OGD history and notarization Solution architecture

Shows user verification

timestamp amp tamper-proof document

proving existence of a document

Notarization Front End

OGD

catalog Austria

(Metadata)

datagvat

Document notarization on the blockchain stores hash values of documents as proof of existence at the time of block formation For the pilot four blockchains are

used to guarantee redundancy

Data and services (xls csv html files)

City of Vienna

Controls OGD inventory of the City of Vienna and receives content PythonBash scripts

OGD Crawler

External validation of

the document one explorer

per blockchain

Blockchain Explorer

Public Blockchain fuumlr notarization

Existing systems

Developed solution

Existing infrastructureprograms

Stores hash values of documents for blockchain notarization and allows fast retrieval from front end

MongoDB

InterfaceAPI fuumlr Blockchain Zugriff Vorlage von Transaktionen in die

Blockchain

Used for pilot Stampery

Loumlsung mit Docker containerisiert

Blockchain Interface

Backend Database

Ethereum (ETH)

Ethereum Classic (ETC)

Bitcoin (BTC)

Litecoin (LTC)

1

2

4

3

5

Controls hash values of documents as well as their entry in blockchain and database for newchanged

documents PythonBash scripts

New OGD Integration

OGD transaction scripts

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers

Daily food vouchers for all employees

Settlement with partner restaurants

Accounting

Employee gets bdquoFood Vouchers Viennaldquo Wallet on hisher Smartphone and an own address for voucher

Employee discloses hisher wallet address Food vouchers are disbursed to the wallet

Employee can use food vouchers in partner restaurants

City of Vienna - Blockchain Pilot

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers (Proof of Concept)

Secure payment process via blockchain

Employee

Digital food voucher Transparent transaction

Data invariabilityt

Trust

Completely consistent

Resilient system

0x8046300f971a9268bca

0x93264401271a9268bce

010101010101010

101010101010101

010101010101010

101010101010101

ETHEREUM 3 Nodes

Private Blockchain

The basis for the digitization of the food brand is an ERC20 standard token The distribution of food stamps is limited to a defined circle of people Ethereum addresses are hexadecimal numbers called identifiers derived from the last 20 bytes of the Keccak-256 hash of the public key Consequently information such as a wallet address should not be considered as personal as far as the personal reference can not be established by linking with other information

Smart Contract

ERC20 Token Regulations Food voucher

Blockchain transactions and the proof-of-authority consensus mechanism take place in a private Ethereum Blockchain An online blockchain browser transparently displays individual blocks transactions transaction histories and address balances The Private Blockchain provides security and privacy for all transaction and reference data for recording and billing The solution uses the existing IT landscape and the IT network of the City of Vienna

010101010 01010101

Transfer

Partner restaurant

The app LETH is an easy-to-use mobile app for sending and receiving tokens and of course for the secure management of user keys Transactions are signed messages originating from an account and transmitted by the Ethereum network They ensure that a commissioned transaction is validated and a new transaction block is added to the chain

Blockexplorer

LETH Wallet APP

Culture Token

Culture Token ndash Project outline last update 23 August 2019

Project description

bull Pilot project with scientific supervision and evaluation

bull Gamification mobile app encourages people to cut CO2 emissions while enjoying art amp culture

bull Digital credits can be spent in various art amp culture facilities

bull Pilot initiative for a digital incentive system to increase the presence of art amp culture in peoplersquos daily lives

bull To be tested by a limited pilot user group in 2020

bull Pilot project to gather experience for the potential roll-out of a similar Vienna Token system

Culture Token ndash Project outline last update 30 August 2019

Framework conditions

bull The token system is NOT a social score card technology will NOT be used to sanction unwanted behaviour (like eg in China)

bull NO cryptocurrency

bull Privacy and data protection are guaranteed

bull Mainly for research purposes NO corporate interests

Culture Token ndash Project outline last update 30 August 2019

Project consortium

City of Vienna

bull Administrative Group for Cultural Affairs and Science

bull City of Vienna CIO

bull Municipal Department 01 ndash Information Technology

bull Upstream ndash next level Mobility GmbH

in cooperation with

bull Institute for Cryptoeconomics Vienna University of Economics and Business Administration

bull Dr Raoul Hoffer LLM ndash BINDER GROumlSSWANG Rechtsanwaumllte GmbH

bull Changerscom Blacksquared GmbH

Culture Token ndash Project outline last update 30 August 2019

Further Blockchain activities of the City of Vienna Local ndash National ndash International

bull Further development of Open Data - Pilot + Austria-wide expansion datagvat

bull BLOCKSTEMPEL notarization bdquoAustrian Public Service Blockchainldquo in cooperation with other consortium-partners bull Implementation of time stamp and notarization services for a variety of applications

bull Notarization of data and documents eg all official documents certificates for medical officers

bull WienBot and Machine Learning

bull Self sovereign identity Identification ldquoIdentifymerdquo

bull IoT (Internet of Things) security

bull Proof of origin ndash Logistic chains

bull Participation

bull Cooperation und partnership bull WU Vienna Research Institute for Cryptoeconomics

bull K1 COMET Research Center ABC (Austrian Blockchain Center)

bull DigitalCityWien ndash BlockchainInitiative Community meetings

bull Hosting EU Blockchain Observatory and Forums first workshop May 2018

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value

Page 9: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

The Blockchain enables reproducible public proof without central authority

Public Blockchain

Document is created and published online

Unique document identifier (SHA256 hash) is inserted in Public Blockchain

1 2

Record is timestamped through Blockchain Network

Interested persons are enabled to independently verify the document existed at certain point in time

3

4

City of Vienna - Blockchain Pilot

1st Blockchain-Pilot OGD history and notarization Solution architecture

Shows user verification

timestamp amp tamper-proof document

proving existence of a document

Notarization Front End

OGD

catalog Austria

(Metadata)

datagvat

Document notarization on the blockchain stores hash values of documents as proof of existence at the time of block formation For the pilot four blockchains are

used to guarantee redundancy

Data and services (xls csv html files)

City of Vienna

Controls OGD inventory of the City of Vienna and receives content PythonBash scripts

OGD Crawler

External validation of

the document one explorer

per blockchain

Blockchain Explorer

Public Blockchain fuumlr notarization

Existing systems

Developed solution

Existing infrastructureprograms

Stores hash values of documents for blockchain notarization and allows fast retrieval from front end

MongoDB

InterfaceAPI fuumlr Blockchain Zugriff Vorlage von Transaktionen in die

Blockchain

Used for pilot Stampery

Loumlsung mit Docker containerisiert

Blockchain Interface

Backend Database

Ethereum (ETH)

Ethereum Classic (ETC)

Bitcoin (BTC)

Litecoin (LTC)

1

2

4

3

5

Controls hash values of documents as well as their entry in blockchain and database for newchanged

documents PythonBash scripts

New OGD Integration

OGD transaction scripts

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers

Daily food vouchers for all employees

Settlement with partner restaurants

Accounting

Employee gets bdquoFood Vouchers Viennaldquo Wallet on hisher Smartphone and an own address for voucher

Employee discloses hisher wallet address Food vouchers are disbursed to the wallet

Employee can use food vouchers in partner restaurants

City of Vienna - Blockchain Pilot

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers (Proof of Concept)

Secure payment process via blockchain

Employee

Digital food voucher Transparent transaction

Data invariabilityt

Trust

Completely consistent

Resilient system

0x8046300f971a9268bca

0x93264401271a9268bce

010101010101010

101010101010101

010101010101010

101010101010101

ETHEREUM 3 Nodes

Private Blockchain

The basis for the digitization of the food brand is an ERC20 standard token The distribution of food stamps is limited to a defined circle of people Ethereum addresses are hexadecimal numbers called identifiers derived from the last 20 bytes of the Keccak-256 hash of the public key Consequently information such as a wallet address should not be considered as personal as far as the personal reference can not be established by linking with other information

Smart Contract

ERC20 Token Regulations Food voucher

Blockchain transactions and the proof-of-authority consensus mechanism take place in a private Ethereum Blockchain An online blockchain browser transparently displays individual blocks transactions transaction histories and address balances The Private Blockchain provides security and privacy for all transaction and reference data for recording and billing The solution uses the existing IT landscape and the IT network of the City of Vienna

010101010 01010101

Transfer

Partner restaurant

The app LETH is an easy-to-use mobile app for sending and receiving tokens and of course for the secure management of user keys Transactions are signed messages originating from an account and transmitted by the Ethereum network They ensure that a commissioned transaction is validated and a new transaction block is added to the chain

Blockexplorer

LETH Wallet APP

Culture Token

Culture Token ndash Project outline last update 23 August 2019

Project description

bull Pilot project with scientific supervision and evaluation

bull Gamification mobile app encourages people to cut CO2 emissions while enjoying art amp culture

bull Digital credits can be spent in various art amp culture facilities

bull Pilot initiative for a digital incentive system to increase the presence of art amp culture in peoplersquos daily lives

bull To be tested by a limited pilot user group in 2020

bull Pilot project to gather experience for the potential roll-out of a similar Vienna Token system

Culture Token ndash Project outline last update 30 August 2019

Framework conditions

bull The token system is NOT a social score card technology will NOT be used to sanction unwanted behaviour (like eg in China)

bull NO cryptocurrency

bull Privacy and data protection are guaranteed

bull Mainly for research purposes NO corporate interests

Culture Token ndash Project outline last update 30 August 2019

Project consortium

City of Vienna

bull Administrative Group for Cultural Affairs and Science

bull City of Vienna CIO

bull Municipal Department 01 ndash Information Technology

bull Upstream ndash next level Mobility GmbH

in cooperation with

bull Institute for Cryptoeconomics Vienna University of Economics and Business Administration

bull Dr Raoul Hoffer LLM ndash BINDER GROumlSSWANG Rechtsanwaumllte GmbH

bull Changerscom Blacksquared GmbH

Culture Token ndash Project outline last update 30 August 2019

Further Blockchain activities of the City of Vienna Local ndash National ndash International

bull Further development of Open Data - Pilot + Austria-wide expansion datagvat

bull BLOCKSTEMPEL notarization bdquoAustrian Public Service Blockchainldquo in cooperation with other consortium-partners bull Implementation of time stamp and notarization services for a variety of applications

bull Notarization of data and documents eg all official documents certificates for medical officers

bull WienBot and Machine Learning

bull Self sovereign identity Identification ldquoIdentifymerdquo

bull IoT (Internet of Things) security

bull Proof of origin ndash Logistic chains

bull Participation

bull Cooperation und partnership bull WU Vienna Research Institute for Cryptoeconomics

bull K1 COMET Research Center ABC (Austrian Blockchain Center)

bull DigitalCityWien ndash BlockchainInitiative Community meetings

bull Hosting EU Blockchain Observatory and Forums first workshop May 2018

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value

Page 10: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

1st Blockchain-Pilot OGD history and notarization Solution architecture

Shows user verification

timestamp amp tamper-proof document

proving existence of a document

Notarization Front End

OGD

catalog Austria

(Metadata)

datagvat

Document notarization on the blockchain stores hash values of documents as proof of existence at the time of block formation For the pilot four blockchains are

used to guarantee redundancy

Data and services (xls csv html files)

City of Vienna

Controls OGD inventory of the City of Vienna and receives content PythonBash scripts

OGD Crawler

External validation of

the document one explorer

per blockchain

Blockchain Explorer

Public Blockchain fuumlr notarization

Existing systems

Developed solution

Existing infrastructureprograms

Stores hash values of documents for blockchain notarization and allows fast retrieval from front end

MongoDB

InterfaceAPI fuumlr Blockchain Zugriff Vorlage von Transaktionen in die

Blockchain

Used for pilot Stampery

Loumlsung mit Docker containerisiert

Blockchain Interface

Backend Database

Ethereum (ETH)

Ethereum Classic (ETC)

Bitcoin (BTC)

Litecoin (LTC)

1

2

4

3

5

Controls hash values of documents as well as their entry in blockchain and database for newchanged

documents PythonBash scripts

New OGD Integration

OGD transaction scripts

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers

Daily food vouchers for all employees

Settlement with partner restaurants

Accounting

Employee gets bdquoFood Vouchers Viennaldquo Wallet on hisher Smartphone and an own address for voucher

Employee discloses hisher wallet address Food vouchers are disbursed to the wallet

Employee can use food vouchers in partner restaurants

City of Vienna - Blockchain Pilot

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers (Proof of Concept)

Secure payment process via blockchain

Employee

Digital food voucher Transparent transaction

Data invariabilityt

Trust

Completely consistent

Resilient system

0x8046300f971a9268bca

0x93264401271a9268bce

010101010101010

101010101010101

010101010101010

101010101010101

ETHEREUM 3 Nodes

Private Blockchain

The basis for the digitization of the food brand is an ERC20 standard token The distribution of food stamps is limited to a defined circle of people Ethereum addresses are hexadecimal numbers called identifiers derived from the last 20 bytes of the Keccak-256 hash of the public key Consequently information such as a wallet address should not be considered as personal as far as the personal reference can not be established by linking with other information

Smart Contract

ERC20 Token Regulations Food voucher

Blockchain transactions and the proof-of-authority consensus mechanism take place in a private Ethereum Blockchain An online blockchain browser transparently displays individual blocks transactions transaction histories and address balances The Private Blockchain provides security and privacy for all transaction and reference data for recording and billing The solution uses the existing IT landscape and the IT network of the City of Vienna

010101010 01010101

Transfer

Partner restaurant

The app LETH is an easy-to-use mobile app for sending and receiving tokens and of course for the secure management of user keys Transactions are signed messages originating from an account and transmitted by the Ethereum network They ensure that a commissioned transaction is validated and a new transaction block is added to the chain

Blockexplorer

LETH Wallet APP

Culture Token

Culture Token ndash Project outline last update 23 August 2019

Project description

bull Pilot project with scientific supervision and evaluation

bull Gamification mobile app encourages people to cut CO2 emissions while enjoying art amp culture

bull Digital credits can be spent in various art amp culture facilities

bull Pilot initiative for a digital incentive system to increase the presence of art amp culture in peoplersquos daily lives

bull To be tested by a limited pilot user group in 2020

bull Pilot project to gather experience for the potential roll-out of a similar Vienna Token system

Culture Token ndash Project outline last update 30 August 2019

Framework conditions

bull The token system is NOT a social score card technology will NOT be used to sanction unwanted behaviour (like eg in China)

bull NO cryptocurrency

bull Privacy and data protection are guaranteed

bull Mainly for research purposes NO corporate interests

Culture Token ndash Project outline last update 30 August 2019

Project consortium

City of Vienna

bull Administrative Group for Cultural Affairs and Science

bull City of Vienna CIO

bull Municipal Department 01 ndash Information Technology

bull Upstream ndash next level Mobility GmbH

in cooperation with

bull Institute for Cryptoeconomics Vienna University of Economics and Business Administration

bull Dr Raoul Hoffer LLM ndash BINDER GROumlSSWANG Rechtsanwaumllte GmbH

bull Changerscom Blacksquared GmbH

Culture Token ndash Project outline last update 30 August 2019

Further Blockchain activities of the City of Vienna Local ndash National ndash International

bull Further development of Open Data - Pilot + Austria-wide expansion datagvat

bull BLOCKSTEMPEL notarization bdquoAustrian Public Service Blockchainldquo in cooperation with other consortium-partners bull Implementation of time stamp and notarization services for a variety of applications

bull Notarization of data and documents eg all official documents certificates for medical officers

bull WienBot and Machine Learning

bull Self sovereign identity Identification ldquoIdentifymerdquo

bull IoT (Internet of Things) security

bull Proof of origin ndash Logistic chains

bull Participation

bull Cooperation und partnership bull WU Vienna Research Institute for Cryptoeconomics

bull K1 COMET Research Center ABC (Austrian Blockchain Center)

bull DigitalCityWien ndash BlockchainInitiative Community meetings

bull Hosting EU Blockchain Observatory and Forums first workshop May 2018

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value

Page 11: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers

Daily food vouchers for all employees

Settlement with partner restaurants

Accounting

Employee gets bdquoFood Vouchers Viennaldquo Wallet on hisher Smartphone and an own address for voucher

Employee discloses hisher wallet address Food vouchers are disbursed to the wallet

Employee can use food vouchers in partner restaurants

City of Vienna - Blockchain Pilot

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers (Proof of Concept)

Secure payment process via blockchain

Employee

Digital food voucher Transparent transaction

Data invariabilityt

Trust

Completely consistent

Resilient system

0x8046300f971a9268bca

0x93264401271a9268bce

010101010101010

101010101010101

010101010101010

101010101010101

ETHEREUM 3 Nodes

Private Blockchain

The basis for the digitization of the food brand is an ERC20 standard token The distribution of food stamps is limited to a defined circle of people Ethereum addresses are hexadecimal numbers called identifiers derived from the last 20 bytes of the Keccak-256 hash of the public key Consequently information such as a wallet address should not be considered as personal as far as the personal reference can not be established by linking with other information

Smart Contract

ERC20 Token Regulations Food voucher

Blockchain transactions and the proof-of-authority consensus mechanism take place in a private Ethereum Blockchain An online blockchain browser transparently displays individual blocks transactions transaction histories and address balances The Private Blockchain provides security and privacy for all transaction and reference data for recording and billing The solution uses the existing IT landscape and the IT network of the City of Vienna

010101010 01010101

Transfer

Partner restaurant

The app LETH is an easy-to-use mobile app for sending and receiving tokens and of course for the secure management of user keys Transactions are signed messages originating from an account and transmitted by the Ethereum network They ensure that a commissioned transaction is validated and a new transaction block is added to the chain

Blockexplorer

LETH Wallet APP

Culture Token

Culture Token ndash Project outline last update 23 August 2019

Project description

bull Pilot project with scientific supervision and evaluation

bull Gamification mobile app encourages people to cut CO2 emissions while enjoying art amp culture

bull Digital credits can be spent in various art amp culture facilities

bull Pilot initiative for a digital incentive system to increase the presence of art amp culture in peoplersquos daily lives

bull To be tested by a limited pilot user group in 2020

bull Pilot project to gather experience for the potential roll-out of a similar Vienna Token system

Culture Token ndash Project outline last update 30 August 2019

Framework conditions

bull The token system is NOT a social score card technology will NOT be used to sanction unwanted behaviour (like eg in China)

bull NO cryptocurrency

bull Privacy and data protection are guaranteed

bull Mainly for research purposes NO corporate interests

Culture Token ndash Project outline last update 30 August 2019

Project consortium

City of Vienna

bull Administrative Group for Cultural Affairs and Science

bull City of Vienna CIO

bull Municipal Department 01 ndash Information Technology

bull Upstream ndash next level Mobility GmbH

in cooperation with

bull Institute for Cryptoeconomics Vienna University of Economics and Business Administration

bull Dr Raoul Hoffer LLM ndash BINDER GROumlSSWANG Rechtsanwaumllte GmbH

bull Changerscom Blacksquared GmbH

Culture Token ndash Project outline last update 30 August 2019

Further Blockchain activities of the City of Vienna Local ndash National ndash International

bull Further development of Open Data - Pilot + Austria-wide expansion datagvat

bull BLOCKSTEMPEL notarization bdquoAustrian Public Service Blockchainldquo in cooperation with other consortium-partners bull Implementation of time stamp and notarization services for a variety of applications

bull Notarization of data and documents eg all official documents certificates for medical officers

bull WienBot and Machine Learning

bull Self sovereign identity Identification ldquoIdentifymerdquo

bull IoT (Internet of Things) security

bull Proof of origin ndash Logistic chains

bull Participation

bull Cooperation und partnership bull WU Vienna Research Institute for Cryptoeconomics

bull K1 COMET Research Center ABC (Austrian Blockchain Center)

bull DigitalCityWien ndash BlockchainInitiative Community meetings

bull Hosting EU Blockchain Observatory and Forums first workshop May 2018

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value

Page 12: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

2nd Blockchain-Pilot of the City of Vienna Digital food vouchers (Proof of Concept)

Secure payment process via blockchain

Employee

Digital food voucher Transparent transaction

Data invariabilityt

Trust

Completely consistent

Resilient system

0x8046300f971a9268bca

0x93264401271a9268bce

010101010101010

101010101010101

010101010101010

101010101010101

ETHEREUM 3 Nodes

Private Blockchain

The basis for the digitization of the food brand is an ERC20 standard token The distribution of food stamps is limited to a defined circle of people Ethereum addresses are hexadecimal numbers called identifiers derived from the last 20 bytes of the Keccak-256 hash of the public key Consequently information such as a wallet address should not be considered as personal as far as the personal reference can not be established by linking with other information

Smart Contract

ERC20 Token Regulations Food voucher

Blockchain transactions and the proof-of-authority consensus mechanism take place in a private Ethereum Blockchain An online blockchain browser transparently displays individual blocks transactions transaction histories and address balances The Private Blockchain provides security and privacy for all transaction and reference data for recording and billing The solution uses the existing IT landscape and the IT network of the City of Vienna

010101010 01010101

Transfer

Partner restaurant

The app LETH is an easy-to-use mobile app for sending and receiving tokens and of course for the secure management of user keys Transactions are signed messages originating from an account and transmitted by the Ethereum network They ensure that a commissioned transaction is validated and a new transaction block is added to the chain

Blockexplorer

LETH Wallet APP

Culture Token

Culture Token ndash Project outline last update 23 August 2019

Project description

bull Pilot project with scientific supervision and evaluation

bull Gamification mobile app encourages people to cut CO2 emissions while enjoying art amp culture

bull Digital credits can be spent in various art amp culture facilities

bull Pilot initiative for a digital incentive system to increase the presence of art amp culture in peoplersquos daily lives

bull To be tested by a limited pilot user group in 2020

bull Pilot project to gather experience for the potential roll-out of a similar Vienna Token system

Culture Token ndash Project outline last update 30 August 2019

Framework conditions

bull The token system is NOT a social score card technology will NOT be used to sanction unwanted behaviour (like eg in China)

bull NO cryptocurrency

bull Privacy and data protection are guaranteed

bull Mainly for research purposes NO corporate interests

Culture Token ndash Project outline last update 30 August 2019

Project consortium

City of Vienna

bull Administrative Group for Cultural Affairs and Science

bull City of Vienna CIO

bull Municipal Department 01 ndash Information Technology

bull Upstream ndash next level Mobility GmbH

in cooperation with

bull Institute for Cryptoeconomics Vienna University of Economics and Business Administration

bull Dr Raoul Hoffer LLM ndash BINDER GROumlSSWANG Rechtsanwaumllte GmbH

bull Changerscom Blacksquared GmbH

Culture Token ndash Project outline last update 30 August 2019

Further Blockchain activities of the City of Vienna Local ndash National ndash International

bull Further development of Open Data - Pilot + Austria-wide expansion datagvat

bull BLOCKSTEMPEL notarization bdquoAustrian Public Service Blockchainldquo in cooperation with other consortium-partners bull Implementation of time stamp and notarization services for a variety of applications

bull Notarization of data and documents eg all official documents certificates for medical officers

bull WienBot and Machine Learning

bull Self sovereign identity Identification ldquoIdentifymerdquo

bull IoT (Internet of Things) security

bull Proof of origin ndash Logistic chains

bull Participation

bull Cooperation und partnership bull WU Vienna Research Institute for Cryptoeconomics

bull K1 COMET Research Center ABC (Austrian Blockchain Center)

bull DigitalCityWien ndash BlockchainInitiative Community meetings

bull Hosting EU Blockchain Observatory and Forums first workshop May 2018

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value

Page 13: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

Culture Token

Culture Token ndash Project outline last update 23 August 2019

Project description

bull Pilot project with scientific supervision and evaluation

bull Gamification mobile app encourages people to cut CO2 emissions while enjoying art amp culture

bull Digital credits can be spent in various art amp culture facilities

bull Pilot initiative for a digital incentive system to increase the presence of art amp culture in peoplersquos daily lives

bull To be tested by a limited pilot user group in 2020

bull Pilot project to gather experience for the potential roll-out of a similar Vienna Token system

Culture Token ndash Project outline last update 30 August 2019

Framework conditions

bull The token system is NOT a social score card technology will NOT be used to sanction unwanted behaviour (like eg in China)

bull NO cryptocurrency

bull Privacy and data protection are guaranteed

bull Mainly for research purposes NO corporate interests

Culture Token ndash Project outline last update 30 August 2019

Project consortium

City of Vienna

bull Administrative Group for Cultural Affairs and Science

bull City of Vienna CIO

bull Municipal Department 01 ndash Information Technology

bull Upstream ndash next level Mobility GmbH

in cooperation with

bull Institute for Cryptoeconomics Vienna University of Economics and Business Administration

bull Dr Raoul Hoffer LLM ndash BINDER GROumlSSWANG Rechtsanwaumllte GmbH

bull Changerscom Blacksquared GmbH

Culture Token ndash Project outline last update 30 August 2019

Further Blockchain activities of the City of Vienna Local ndash National ndash International

bull Further development of Open Data - Pilot + Austria-wide expansion datagvat

bull BLOCKSTEMPEL notarization bdquoAustrian Public Service Blockchainldquo in cooperation with other consortium-partners bull Implementation of time stamp and notarization services for a variety of applications

bull Notarization of data and documents eg all official documents certificates for medical officers

bull WienBot and Machine Learning

bull Self sovereign identity Identification ldquoIdentifymerdquo

bull IoT (Internet of Things) security

bull Proof of origin ndash Logistic chains

bull Participation

bull Cooperation und partnership bull WU Vienna Research Institute for Cryptoeconomics

bull K1 COMET Research Center ABC (Austrian Blockchain Center)

bull DigitalCityWien ndash BlockchainInitiative Community meetings

bull Hosting EU Blockchain Observatory and Forums first workshop May 2018

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value

Page 14: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

Project description

bull Pilot project with scientific supervision and evaluation

bull Gamification mobile app encourages people to cut CO2 emissions while enjoying art amp culture

bull Digital credits can be spent in various art amp culture facilities

bull Pilot initiative for a digital incentive system to increase the presence of art amp culture in peoplersquos daily lives

bull To be tested by a limited pilot user group in 2020

bull Pilot project to gather experience for the potential roll-out of a similar Vienna Token system

Culture Token ndash Project outline last update 30 August 2019

Framework conditions

bull The token system is NOT a social score card technology will NOT be used to sanction unwanted behaviour (like eg in China)

bull NO cryptocurrency

bull Privacy and data protection are guaranteed

bull Mainly for research purposes NO corporate interests

Culture Token ndash Project outline last update 30 August 2019

Project consortium

City of Vienna

bull Administrative Group for Cultural Affairs and Science

bull City of Vienna CIO

bull Municipal Department 01 ndash Information Technology

bull Upstream ndash next level Mobility GmbH

in cooperation with

bull Institute for Cryptoeconomics Vienna University of Economics and Business Administration

bull Dr Raoul Hoffer LLM ndash BINDER GROumlSSWANG Rechtsanwaumllte GmbH

bull Changerscom Blacksquared GmbH

Culture Token ndash Project outline last update 30 August 2019

Further Blockchain activities of the City of Vienna Local ndash National ndash International

bull Further development of Open Data - Pilot + Austria-wide expansion datagvat

bull BLOCKSTEMPEL notarization bdquoAustrian Public Service Blockchainldquo in cooperation with other consortium-partners bull Implementation of time stamp and notarization services for a variety of applications

bull Notarization of data and documents eg all official documents certificates for medical officers

bull WienBot and Machine Learning

bull Self sovereign identity Identification ldquoIdentifymerdquo

bull IoT (Internet of Things) security

bull Proof of origin ndash Logistic chains

bull Participation

bull Cooperation und partnership bull WU Vienna Research Institute for Cryptoeconomics

bull K1 COMET Research Center ABC (Austrian Blockchain Center)

bull DigitalCityWien ndash BlockchainInitiative Community meetings

bull Hosting EU Blockchain Observatory and Forums first workshop May 2018

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value

Page 15: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

Framework conditions

bull The token system is NOT a social score card technology will NOT be used to sanction unwanted behaviour (like eg in China)

bull NO cryptocurrency

bull Privacy and data protection are guaranteed

bull Mainly for research purposes NO corporate interests

Culture Token ndash Project outline last update 30 August 2019

Project consortium

City of Vienna

bull Administrative Group for Cultural Affairs and Science

bull City of Vienna CIO

bull Municipal Department 01 ndash Information Technology

bull Upstream ndash next level Mobility GmbH

in cooperation with

bull Institute for Cryptoeconomics Vienna University of Economics and Business Administration

bull Dr Raoul Hoffer LLM ndash BINDER GROumlSSWANG Rechtsanwaumllte GmbH

bull Changerscom Blacksquared GmbH

Culture Token ndash Project outline last update 30 August 2019

Further Blockchain activities of the City of Vienna Local ndash National ndash International

bull Further development of Open Data - Pilot + Austria-wide expansion datagvat

bull BLOCKSTEMPEL notarization bdquoAustrian Public Service Blockchainldquo in cooperation with other consortium-partners bull Implementation of time stamp and notarization services for a variety of applications

bull Notarization of data and documents eg all official documents certificates for medical officers

bull WienBot and Machine Learning

bull Self sovereign identity Identification ldquoIdentifymerdquo

bull IoT (Internet of Things) security

bull Proof of origin ndash Logistic chains

bull Participation

bull Cooperation und partnership bull WU Vienna Research Institute for Cryptoeconomics

bull K1 COMET Research Center ABC (Austrian Blockchain Center)

bull DigitalCityWien ndash BlockchainInitiative Community meetings

bull Hosting EU Blockchain Observatory and Forums first workshop May 2018

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value

Page 16: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

Project consortium

City of Vienna

bull Administrative Group for Cultural Affairs and Science

bull City of Vienna CIO

bull Municipal Department 01 ndash Information Technology

bull Upstream ndash next level Mobility GmbH

in cooperation with

bull Institute for Cryptoeconomics Vienna University of Economics and Business Administration

bull Dr Raoul Hoffer LLM ndash BINDER GROumlSSWANG Rechtsanwaumllte GmbH

bull Changerscom Blacksquared GmbH

Culture Token ndash Project outline last update 30 August 2019

Further Blockchain activities of the City of Vienna Local ndash National ndash International

bull Further development of Open Data - Pilot + Austria-wide expansion datagvat

bull BLOCKSTEMPEL notarization bdquoAustrian Public Service Blockchainldquo in cooperation with other consortium-partners bull Implementation of time stamp and notarization services for a variety of applications

bull Notarization of data and documents eg all official documents certificates for medical officers

bull WienBot and Machine Learning

bull Self sovereign identity Identification ldquoIdentifymerdquo

bull IoT (Internet of Things) security

bull Proof of origin ndash Logistic chains

bull Participation

bull Cooperation und partnership bull WU Vienna Research Institute for Cryptoeconomics

bull K1 COMET Research Center ABC (Austrian Blockchain Center)

bull DigitalCityWien ndash BlockchainInitiative Community meetings

bull Hosting EU Blockchain Observatory and Forums first workshop May 2018

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value

Page 17: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

Further Blockchain activities of the City of Vienna Local ndash National ndash International

bull Further development of Open Data - Pilot + Austria-wide expansion datagvat

bull BLOCKSTEMPEL notarization bdquoAustrian Public Service Blockchainldquo in cooperation with other consortium-partners bull Implementation of time stamp and notarization services for a variety of applications

bull Notarization of data and documents eg all official documents certificates for medical officers

bull WienBot and Machine Learning

bull Self sovereign identity Identification ldquoIdentifymerdquo

bull IoT (Internet of Things) security

bull Proof of origin ndash Logistic chains

bull Participation

bull Cooperation und partnership bull WU Vienna Research Institute for Cryptoeconomics

bull K1 COMET Research Center ABC (Austrian Blockchain Center)

bull DigitalCityWien ndash BlockchainInitiative Community meetings

bull Hosting EU Blockchain Observatory and Forums first workshop May 2018

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value

Page 18: Blockchain in the City of Vienna - 1st International …...2nd Blockchain-Pilot of the City of Vienna Digital food vouchers Daily food vouchers for all employees Settlement with partner

This presentation of the City of Vienna is licensed under a Creative Commons Namensnennung 40 Lizenz

The naming of the City of Vienna as the copyright holder shall be done as follows Data source City of Vienna

Ingin Brigitte Lutz MSc

brigittelutzwiengvat

Open Government ndash Competence Center Vienna

openpostwiengvat digitaleswiengvat

Digitalization data and open innovation We create added value