Easy, reliable and with complete control by the user.
Verified credentials build trust for digital interactions!
Verifiable credentials based on Self-Sovereign Identity
How can we ensure that our interactions in the digital world are safe and trustworthy? How can we prove our own identity, and any interconnected attributes, in a reliable and data-compliant way? A solution already exists: deploying digital certificates which are referred to as “Verifiable Credentials” based on Self-Sovereign Identity (SSI). SSI is essentially a user-centric technology, due to its easy handling and the ability of an individual to fully control and manage their own personal data.
We would like to explain the functionality and potential use cases for credentials by following our protagonist called Sam, who has just completed a Corona test.

Sam has just completed a Corona test.
1.A The test result is issued as a digital credential. Sam stores it in a Wallet App on his mobile device.
1.B All data which is needed to authenticate the credential is stored in a decentralized database.
2. Sam proves the validity of his test result via his credential. Sam’s Wallet App sends the required data to the restaurant’s Wallet App…
3. …which checks authenticity and validity by cross-checking the data on the decentralised database. Sam’s personal data (age, address…) will not be prompted.
4. The Wallet App confirms Sam’s test result.
As demonstrated in this example, digital credentials based on SSI are very easy to handle. You store them as a digital version of, e. g. your ID card, in a digital Wallet App on your mobile device.
All your documents are thus available any time and can be presented when needed. You do not have to use a specific Wallet App by a certain provider, every user makes his own choice.
Credentials based on SSI technology are also secure against manipulation: all data needed to verify the credential is being encrypted, stored in a decentralized way and cannot be deleted. (The energy-efficient Distributed Ledger Technology serves as the basis for decentral storage.)
The user has complete control over his personal data, which is stored only in the wallet on his mobile device. He decides with whom which data is shared, and he can monitor who gets access to it. This ensures compliance with the highest data protection regulations, such as those of the GDPR.
SSI principles made easy:
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Our solution for storing and managing credentials is ready for production

esatus SeLF - Issuing and managing credentials
esatus SeLF provides you with everything you need to issue and manage credentials based on Self-Sovereign Identity.
SeLF also allows you to process the corporate identity & access management by means of credentials and to integrate it into existing IT infrastructures.
esatus Wallet App - Storing and validating credentials
The basic version of the esatus wallet app provides you with everything you need to store your credentials.
You can download the basic version for free from theApple App-Store or from Google Play-Store
The “add-on” version will be available soon. As an additional functionality it enables you to check the identity and validity of credentials directly via the app (device-to-device proof).

esatus Wallet App - Storing and validating credentials
The basic version of the esatus wallet app provides you with everything you need to store your credentials.
You can download the basic version for free from the Apple App-Store or from Google Play-Store.
The “add-on” version will be available soon. As an additional functionality it enables you to check the identity and validity of credentials directly via the app (device-to-device proof)


Use cases in application
Discover the wide range of applications in which SSI technology from esatus is already being used.

User authentication in an eco-system
A practical use case for credentials based on SSI-technology has reached production stage in Switzerland. esatus has implemented an efficient and future-proof identity and authentication process at Cardossier, a platform for vehicle documentation. In the future, users will be able to identify themselves much more easily with credentials and log in without a password. Find out more in our press release.

Access control at a large construction site
During a pilot phase of several months, digital credentials were used to efficiently control and document access to a large construction site, as well as checking of specific permissions. Considering the many companies involved (subcontractors, suppliers, specialist planners, architects and many more), the procedure ensures greater efficiency and smooth handling for construction site management.

Covid-19 immunity certificate based on detected antibodies
Whether at work, with friends or in public areas – it is helpful to know that my counterpart has formed antibodies. This proof is issued as a digital certificate, stored in the wallet app and presented as a QR code on request. The verifying party scans the QR code and immediately sees the result. esatus developed this prototype ready for production for the COVID-19 Credentials Initiative (CCI).

Log-on to Jira and Windows
Using the SeLF solution suite esatus employees have the option of logging on easily and without a password to internal company software and now also to Windows. This is enabled by SSI credentials – in a compliant and secure way. Take a look over the shoulder of our employees during the daily login process and discover the advantages of efficient authentication. Click here for the video of the rollout day.

Log-on process for a software application (PoC within a corporate structure)
Digital credentials have successfully passed a test implementation at DB Systel GmbH. Without entering a password, employees can now access the group software by simply scanning a QR code with their mobile device, so that they are identified and authorized to access the system. SeLF could be integrated without the need for changes to the existing IT infrastructure. For more details read out our press release.
Rollout Day
A Great Success
esatus AG is continuously working on SSI technologies. The first product is SeLF, with which future-oriented SSI functionality can be brought into existing systems in the enterprise context. The Sovrin network is used as the underlying technology and necessary blockchain-based trust network. It combines global distribution (over 70 stewards worldwide) and completely transparent governance and thus has an exceptional position. As the next logical step, esatus AG has now also implemented its own product for the first time under real conditions – initially for all of its own employees with a selected IT system.
A supplementary documentation of the rollout can be found here.
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SSI Log-on for Windows with esatus SeLF
In addition to web logon with SAML and Open ID Connect, it is now possible to log-on to Windows by means of SSI credentials. esatus SeLF is the first product to achieve this. No need for passwords – in an easy, secure and trustworthy manner.
Blockchain Actionlog - Publications and Conferences
esatus AG is engaged in various projects in Blockchain and Self-Sovereign Identity. In this section you will find relevant topical publications and conferences.
The SSI Orbit Podcast – Self-Sovereign Identity, Decentralized Identity & Digital ID| Powered by Northern Block
esatus-Expert: Dr. André Kudra
Link to podcast
Online lecture at MyData Meetup Zurich
esatus-Expert: Dr. André Kudra
Link to lecture
Online lecture at MyData Conference 2020.
esatus-Experts: Dr. André Kudra, Dr. Claudia Grytz
Link to lecture
Online presentation at KuppingerCole’s Customer Technology World 2020.
esatus-Expert: Dr. André Kudra
Link to lecture
Online lecture at the Blockchain Autumn School of the Mittweida University of Applied Sciences
esatus-Experte: Dr. André Kudra
Link to lecture
Vortrag beim TeleTrusT/VOI-Informationstag “Elektronsiche Signatur und Vertrauensdienste”
esatus-Expert: Dr. André Kudra
Link to event
Publication on esatus Wallet App
esatus-Experts: Dr. André Kudra, Sebastian Weidenbach
Link to whitepaper
Conference on Convergence of IoT und Blockchain-Technology
esatus-Expert: Jonas Zimmermann
Link to event
Workshop for the Frankfurt School Blockchain Center
esatus-Experts: Carsten Eichhöfer, Sebastian Weidenbach
Link to presentation
International Workshop on Online Identity
esatus-Experts: Carsten Eichhöfer, Christopher Hempel
Link to event
Lecture at MyData 2019
esatus-Expert: Dr. André Kudra
Link to presentation
Lecture at Internet Security Days
esatus-Expert: Sebastian Weidenbach
Link to presentation
Lecture at Blockchain Enterprise Days
esatus-Expert: Dr. André Kudra
Link to presentation
Article published in “dotmagazine”, e-magazine of eco – Association of the Internet Industry
esatus-Expert: Sebastian Weidenbach
Link to article
Blog post in DIGITALE WELT
esatus-Expert: Dr. André Kudra
Link to article
Article series in TREND REPORT
esatus-Expert: Dr. André Kudra
Link to article
DIN SPEC 3103:2019-06
esatus-Expert: Dr. André Kudra
Link to publication
Lecture at IT & Career Summit
esatus-Expert: Dr. André Kudra
Link to lecture
Lecture at Disrupt Meetup | Digital Identity
esatus-Expert: Dr. André Kudra
Link to presentation
Lecture at the workshop „Blockchain und Distributed Ledger Technologies“ from DIN e. V.
esatus-Expert: Dr. André Kudra
Link to event
Lecture at IT-Tage 2018
esatus-Expert: Dr. André Kudra
Link to presentation
Lecture and workshop at Blockchain Security Days
esatus-Expert: Dr. André Kudra
Link to event
Lecture and panel diskussion at Cyber Access Summit 2018
esatus-Expert: Dr. André Kudra
Link to event
Positionpaper of the Blockchain Bundesverband e. V.
esatus-Expert: Dr. André Kudra
Link to positionpaper
Lecture at the TeleTrusT – Auditorium “IT-Sicherheit” within the IT Security-Fair it-sa 2018
esatus-Expert: Dr. André Kudra
Link to event
Lecture at TeleTrusT information day “Elektronische Signatur und Vertrauensdienste”
esatus-Expert: Christopher Hempel
Link to lecture
Article published in “dotmagazine”, e-magazine of eco – Association of the Internet Industry
esatus-Expert: Dr. André Kudra
Link to article
Lecture “Blockchain” at internal TeleTrusT Workshop 2018
esatus-Expert: Dr. André Kudra
Link to event
Lecture at TeleTrusT information day “Blockchain”
esatus-Experts: Philipp Lang, Dr. André Kudra, Sebastian Pirozhkov
Link to lecture
Lecture at TeleTrusT information day “Blockchain”
esatus-Experts: Philipp Lang, Dr. André Kudra, Sebastian Pirozhkov
Link to lecture
TeleTrusT T-EBCA “PKI-Workshop”
esatus-Expert: Dr. André Kudra
Link to lecture
Article in the online journal “Informatik Aktuell”
esatus-Expert: Dr. André Kudra
Link to article
Lecture at Blockchain Masters 2018
esatus-Expert: Dr. André Kudra
Link to lecture
Lecture at Kitzbühel Country Club
esatus-Expert: Dr. André Kudra
Link to lecture
esatus Academy whitepaper regarding Smart Contract Security
esatus-Experts: Dr. André Kudra, Christopher Hempel, Marcello di Biase, Sebastian Pirozhkov, Philipp Lang
Link to whitepaper
Lecture at the SECUTA 16th annual meeting for Information Security organized by CBT Training & Consulting GmbH
esatus-Expert: Dr. André Kudra
Link to event
Conference blog post for KISK
esatus-Expert: Dr. André Kudra
Discussion with the VDMA Information Securtiy working group
esatus-Expert: Dr. André Kudra
Link to lecture
TeleTrusT auditorium at it-sa
esatus-Experts: Dr. André Kudra, Marcello di Biase, Philipp Lang
Link to lecture
Positionpaper of the Blockchain Bundesverband e. V.
esatus-Expert: Dr. André Kudra
Link to positionpaper
TeleTrusT auditorium at it-sa
esatus-Expert: Dr. André Kudra
Link to lecture
Article in the Information Security journal
esatus-Experts: Dr. André Kudra, Marcello di Biase, Christopher Hempel
Link to article
Online article in the Digitale Welt
esatus-Expert: Dr. André Kudra
Link to article
Lecture at the TeleTrusT Blockchain information day
esatus-Experts: Dr. André Kudra, Marcello di Biase, Christopher Hempel, Philipp Lang, Sebastian Pirozhkov, Michael Wirth
Link to lecture
Article in the TeleTrusT supplement to the popular magazine for IT professionals iX
esatus-Expert: Dr. André Kudra
Linkto article
Lecture at the research day IT Security NRW
esatus-Expert: Dr. André Kudra
Lecture at the workshop “Blockchain Nirwana” of the Vodafone Enterprise Plenum
esatus-Expert: Dr. André Kudra
Link to lecture
Online article in the PC Welt
esatus-Expert: Dr. André Kudra
Link to article
Lecture at the fibit technology and IT fair
esatus-Expert: Dr. André Kudra
Entry on SecuPedia – Platform for security information
esatus-Expert: Dr. André Kudra
Link to entry
GI-ECOM workshop at the Fraunhofer-Institut für sichere Informationstechnologie
esatus-Expert: Dr. André Kudra
Link to event
Handout for dealing with the Blockchain with focus on Identity & Access
esatus-Experts: Dr. André Kudra, Philipp Lang, Sebastian Pirozhkov
Link to positionpaper
Lecture for the Austrian Federal Economic Chamber on the occasion of WKO NET-WORK #13 – Blockchain
esatus-Expert: Dr. André Kudra
Link to video recording
Lecture at the Internet Security Days
esatus-Experts: Dr. André Kudra, Philipp Lang
Link to event
Podcast with the law firm Stiegler Legal
esatus-Expert: Dr. André Kudra
Link to podcast
Article in the popular magazine for IT professionals iX
esatus-Expert: Dr. André Kudra
Link to article
Article in the Information Security journal
esatus-Expert: Dr. André Kudra
Link to article
Panel discussion at the European Identity & Cloud Conference (EIC)
esaesatus-Expert: Dr. André Kudra
Link to event
Your contact partner
Do you have questions about Self-Sovereign Identity or do you need support for your IAM? Wir helfen Ihnen gerne! Do you have questions about Self-Sovereign Identity or do you need support for your IAM? Get in contact with us! Call us, use the contact formor send us an e-mail to info@esatus.com. We look forward to your message!

Sebastian Weidenbach
CTO
+49 6103 90295-0
Contact us
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