Post on 21-May-2020
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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