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Products
sproof registry
Add a decentralized timestamp to your documents and data with sproof registry.
sproof sign
sproof sign is a free service for collecting digital signatures fast and easy.
Management Team
Clemens Brunner, MSc
Chief Executive Officer
Clemens Brunner is a PhD student at the Computer Sciences Department at University of Salzburg since 2018 and a researcher at the Center for Secure Energy Informatics at Salzburg University of Applied Sciences since 2018. He received his Master’s degree in 2017 from University of Innsbruck. His current research interest is on decentralized trust management systems and privacy preserving authentication.
Dr. Fabian Knirsch
Chief Technology Officer
Fabian Knirsch is a post-doctoral researcher at the Center for Secure Energy Informatics and a professor at the Salzburg University of Applied Sciences. He co-founded cappatec in 2015 and was a visiting scholar at the University of Southern California. He received his PhD in Computer Sciences from the University of Salzburg. His research interest is currently on security and privacy and privacy-enhancing and decentralized technologies.
Erich Höpoldseder
Chief Operating Officer
Erich Höpoldseder has successfully implemented innovations and business development processes in various markets for international companies, e.g., Ski Data and Sony DADC for more than 25 years. He has excellent management, technical, sales and social skills and has filed several patents in the field of hologram design. He supports products that improve the quality of life of people and contribute to greater safety.
Dr. Dominik Engel
Chief Research Officer
Dominik Engel is a professor at the Salzburg University of Applied Sciences in Austria, where he heads the Center for Secure Energy Informatics. He holds a PhD degree in Computer Science from the University of Salzburg and a venia docendi in Applied Informatics at the same university. He was a researcher at the Universities of Bremen and Salzburg and product manager at Sony DADC. His current research interests include methods for enhancing privacy, security and end-user trust.
Membership and Partners
sproof is an Austrian-based technology company.
Blog Posts
sproof sign: Digital signature tool launched with major customer on board
With sproof sign, the Salzburg-based start-up sproof has launched a digital signature tool. The experts for document certification are hitting a nerve with it. Major customers contacted them even before the official launch. Clemens Brunner, Fabian Knirsch and Erich Höpoldseder from sproof recognized the need for signing documents and contracts from any location already before […]
Demo Day 2020: This was the pitch
Yesterday was the day: we got to present sproof at the Startup Salzburg Demo Day 2020 in front of a top-class expert jury and a broad audience including investors, founders and other entrepreneurs. When we joined the Startup Salzburg Factory last year, we knew this was the beginning of something great. After nine months of […]
STARTUP SALZBURG DEMO DAY 2020 is approaching!
Meet us at the biggest Startup Ecosystem Event in the Salzburg and Upper Bavaria area hosted by der brutkasten. Be there on 26 May 2020 when we pitch together with eight other selected startups from Austria and Bavaria online. Experience a digital exchange with us in the virtual Startup Expo! Tickets and more information: https://hopin.to/events/startup-salzburg-demo-day […]
How to issue secure digital documents
With sproof, issuing secure digital documents is as easy as a drag-and-drop. In times of #homeoffice, secure #digitaldocuments get even more important 📃 🔒 How do you send a valid confirmation of enrolment to a student? Or how does your business partner get a verified version of the urgently needed contract? With sproof, this is […]
sproof is a new member of ICT Austria
sproof recently joined ICT Austria, a network of more than 25 internationally active IT companies headquartered in Austria. Founded in 2014, the association aims to bring the Austrian ICT industry into the top international field. The network is headed by Jochen Borenich, member of the Executive Board at Kapsch BusinessCom, Manfred Brandner, CEO of eee […]
sproof joins the German „Netzwerk Digitale Nachweise“
The Netzwerk Digitale Nachweise was founded in 2019 as part of the “blockchain” coordination project of the German IT planning council. Main focus is the use of blockchain technology for issuing and verifying certificates digitally. Together, proposals for Germany-wide standards are being developed. sproof is the only Austrian company on board. The network is coordinated […]
Have you tried the sproof testnet yet?
Discover digital signatures and the potentials of sproof at no risk with the sproof testnet: ➡️ Explore all sproof features ➡️ Play with timestamping a document ➡️ Ready to integrate sproof into your existing application? Use the testnet so see if everything’s working fine Get your free testnet profile now:https://sproof.io/try-sproof-for-free/
sproof joins Blockchain Bayern e.V.
The sproof GmbH has recently become a member of Blockchain Bayern. The non-profit association, chaired by Prof. Dr. Florian Matthes, provides an umbrella for various activities regarding blockchain and related technologies. With sproof as a member, information and networking events are now also taking place in Salzburg. Erich Höpoldseder from sproof is a member of […]
Invitation: EdTech Workshop for Universities on 16 January 2020
Learn more about sproof’s solution for digital certificates and diplomas at this educational technologies workshop! We cordially invite you to the EdTech workshop hosted by the Federal Ministry of Education, Science and Research aimed at all Austrian universities and third-level institutions: EdTech initiatives and tools to support tertiary educationPresentation & networking of initiatives, start-ups / […]