• Start-Up „sproof“ from Salzburg wants to replace DocuSign in Europe

    The Salzburg startup, a spin-off of the Salzburg University of Applied Sciences, was able to win prominent major customers and thousands of private customers shortly after its founding in 2020. The European Super Angels Club and the renowned business angel Michael Repnik recently invested and want to replace the market leader DocuSign on the […]

  • Change processes in SMEs and how digitization projects become successful – a field report based on the introduction of digital signatures with sproof sign

    team meeting stock photo

    Annika Koch, intern at sproof GmbH Change processes in SMEs are often a topic that people want to avoid. However, it is essential for sustainable economic success to continue to develop through constant change. In doing so, it is important to maintain the successful and to implement the new. An important driver of change processes […]

  • Success Story Maschinenring Salzburg

    Maschinenring Salzburg is digitizing its signature workflows with sproof sign to make the internal processes even more efficient. Rather than printing documents for signing and requiring to distribute and collect the documents across multiple divisions and office locations, this can now be done fully digitally. The original idea of Maschinenring was for farmers to support […]

  • Digitally sign – but correctly

    For the second time in just a few days, everything revolves around digital signatures and their validity in court: In Germany, the issue is the legality of digitally signed employment contracts, and in another case in Austria, the correctness of a contract award for 400 million euros. Where are the issues in these cases, and […]

  • Digital signatures with sproof sign at the Vienna Business Agency

    team meeting stock photo

    The Vienna Business Agency supports local and international companies in all phases of their business development, advises on entrepreneurial issues and helps expats get started in Vienna. Everyone who wants to start a business, startups, sole proprietorships, domestic and international small and medium-sized enterprises or corporations, receives exactly the information they need. With sproof sign, […]

  • Join sproof at the Mobile World Congress in Barcelona

    Join sproof at this year’s Mobile World Congress in Barcelona. We are presenting Europe’s most trusted digital signature solution in Hall 2 at 4YFN from June 28 to July 1.

  • 3 steps to a fully digital document workflow

    Zefort Guest Blog Clemens Brunner sproof - Digital document workflow

    Is your digital document workflow in order? Check out this guest post by sproof CEO Clemens Brunner on the blog of our Finnish partner Zefort. Together, digital signing and smart contract archival save you a lot of time, effort and worry. Link to the blog article: Zefort is a zero-effort contract lifecycle management solution. […]

  • Unlimited qualified signing

    sproof sign simplifies your home office

    Create unlimited qualified signatures with all sproof sign premium plans. All sproof sign premium plans include a number of persons that can obtain a qualified digital signature with unlimited qualified signing. Starting at 19€ monthly Starting at 19€ monthly you do not only get unlimited qualified signing, but benefit from all other sproof sign premium […]

  • Easter-update brings major new features for sproof sign users

    sproof new features

    sproof sign gets even better, the price stays the same. For all existing and new customers. Here is a preview of some of the major updates that arrive with the next release of sproof sign in early april: Unlimited qualified signing Batch signing Customized signature blocks Interactive form design and sharing Prepositioned signatures and forwarding […]

  • sproof sign: an innovation suitable for public administration

    IÖB-ausgezeichnet Siegel

    The digital signature tool sproof sign received the IÖB award, a seal for highly innovative solutions that help to improve public administration services for citizens. The IÖB award helps public administrators to find new products that can support them in their work environment more quickly and thus to support those products that lead to a […]

  • Home office: Why you should sign documents digitally from now on

    sproof sign simplifies your home office

    Numerous documents are sent to people in the home office for approval by signature. Read here why scanning a signed document is a bad idea and what you can do instead. In Scandinavian countries, home office is common for many years now. In central Europe, we have only recently been confronted with it. With more […]

  • Blockchain Landscape Austria

    Austrian Blockchain Landscape

    The Blockchain Landscape Austria gives an overview of companies, platforms & institutions leading the development of Blockchain technology in Austria. The list gets updated recently, and sproof is again among Austria’s leading corporations in the blockchain area. Trends in the Austrian Blockchain Landscape These two trends changed the blockchain ecosystem in Austria in the last […]

  • sproof in 2020: a special year in review

    sproof in 2020: a special year in review

    2020 was different in many ways. For sproof, 2020 was challenging, exciting and thriving. The following is not just a list of activities and achievements, but is also meant as a special thank you to all our partners, customers and friends. It’s you, who is reinventing digital signing. Season’s Greetings and a Happy New Year […]

  • COPA-DATA and sproof: Cooperation between two digitalization companies

    COPA-DATA and sproof partnership

    COPA-DATA and sproof, two Salzburg-based digitalization companies, have announced the start of a joint partnership. COPA-DATA will use the sproof sign technology for the simple and sustainable collection of digital signatures in its internal processes. In addition, the software applications of both companies will be combined to create solutions for customers. A joint research project […]

  • relaunch: we dressed up for you

    screenshot website relaunch

    After more than two months of conceptualization, drafting, discussion, design and finally coding we are proud to have released our all-new sproof website. For the redesign we focused on improving the structure of our website and on a consistent and intuitive design. Our new website makes it easier for our customers to navigate through our […]

  • recommends sproof sign for PDF signatures

    pen writing signature on digital device

    The citizen service website lists sproof sign as one of the trusted tools to create PDF signatures: The website is hosted in cooperation with the Austrian Federal Ministry for Digitalization and Economy and provides information on mobile phone signatures and the Austrian citizen card. Sign PDFs online with your mobile phone signature The mobile […]

  • sproof sign in a nutshell

    sproof sign document illustration

    Collect signatures fast and easy or simply sign a document yourself with sproof sign 📃🖋️ Not only digital signatures can be collected, but also handwritten signatures can be added to the document with this tool. Learn more about sproof sign in this short Try it out for free and let us know what you think!➡️

  • sproof sign: Digital signature tool launched with major customer on board

    sproof management team outdoors social distancing

    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 Corona. “We […]

  • Demo Day 2020: This was the pitch

    demo day video conference pitch screenshot

    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 fine-tuning our […]

  • STARTUP SALZBURG DEMO DAY 2020 is approaching!

    Startup Salzburg Demo Day goes Online, Be There on 26.05.2020, 15:30

    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: Photo: WKS/Wildbild

  • How to issue secure digital documents

    issue secure digital documents video thumbnail

    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

    ICT Austria Logo, Achieving more together.

    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 group, Markus Gruber, COO of DocuMatrix, Wolfgang Leindecker, […]

  • sproof joins the German „Netzwerk Digitale Nachweise“

    Netzwerk Digitale Nachweise Logo

    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 by Helmut Nehrenheim, […]

  • Have you tried the sproof testnet yet?

    Try sproof for free!

    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 Discover the potentials of sproof at no risk and create a free testnet profile now. Get your […]

  • sproof joins Blockchain Bayern e.V.

    Blockchain Bayern e.V, Wir bringen Blockchain in Bayern voran.

    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 the […]

  • Invitation: EdTech Workshop for Universities on 16 January 2020

    team meeting stock photo

    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 / spin-offs as […]

  • Meet the sproof team at the Summit Industrie 4.0 on 12 Dec 2019 in Linz

    SUMMIT INDUSTRIE 4.0 Österreich 2019, regional-gemeinsam-erfolgreich

    Are you looking for a solution to manage your audit trails? Come meet us together with COPA-DATA at the Summit Industrie 4.0, the yearly conference of the platform industry 4.0 Austria, in Linz! 🏭 🗓️ We are happy to look into your use cases and curious about your feedback 🔍 Summit Industrie 4.012 December 2019, 10:30 – 18:30OÖ […]

  • Three reasons why digital certificates require a public blockchain

    3 reasons why digital certificates require a public blockchain text header

    When building blockchain-based applications, discussion often comes to the point of whether a public or private blockchain should be used. sproof clearly takes the position for public blockchains for tamper-proof digital certificates and documents. Here is why. sproof is a research-based company and our decisions are carefully evaluated and scientifically backed. These are the three reasons […]

  • Developers: Why it will take you less than 60 minutes to integrate sproof’s digital document signatures in your software application

    cute cat lies on a laptop

    Integrating a new feature into your existing application in only 60 minutes sounds like wishful thinking to you? Here’s how sproof makes your wish come true: 1. Easy to use APITo issue secure digital documents in your institution or enterprise, all you need to do is as easy as an API call. Integrate sproof into […]

  • Dominik Engel: New Chief Research Officer at sproof GmbH

    portrait of Dominik Engel

    Dr. Dominik Engel, head of the Center for Secure Energy Informatics at Salzburg University of Applied Sciences, joins the management board of sproof. With the renowned IT-security and privacy expert Dominik Engel, sproof gets prominent support from its roots – the academic world. “As a spin-off from the Center for Secure Energy Informatics, we transfer state-of-the-art […]

  • Starting in fall 2019: FH Salzburg University of Applied Sciences is issuing secure digital certificates via sproof

    sproof management team in fh salzburg

    Starting in fall 2019, documents issued to students during their studies and after graduation are signed digitally by FH Salzburg University of Applied Sciences. These documents are absolutely forgery-proof due to the implementation of sproof. Thanks to the innovative and decentralized digital signature developed by sproof, graduates can prove at any time that the documents they […]

  • sproof in the News

    sproof management team in the newspaper

    A recent newspaper article about sproof highlights the demand for a decentralized secure digital document management. The newspaper published by the Austrian Chamber of Commerce further shows the importance of intensive cooperation between the Salzburg University of Applied Sciences and starup companies, where sproof is a proud member of the FH Salzburg Startup Center. Read […]

  • Startup Salzburg Factory Member

    sproof is a member of the Startup Salzburg Factory

    sproof is a proud member of the Startup Salzburg Factory 2019. Together with other selected startups and industry experts we develope our business. Read the full article here (in German)

  • Sallinger S&B Award Top 10

    Bridging Science & Business S&B Award

    sproof is proud to announce that we are among the top 10 finalist projects at this year’s Sallinger S&B Award. The award is dedicated to the promotion of groundbreaking projects that enter the market following years of research. sproof’s approach for digital and secure document management and the revolutionary decentralized digital signature scheme is among the […]

  • Swiss Blockchain Winter School

    Clemens Brunner was attending the Swiss Blockchain Winter School in Interlaken. Together with researchers from the Security and Privacy Lab of the University of Innsbruck he is attending keynotes and lectures on innovative blockchain work by renowned academic researchers and industrial practitioners.The Winter School aims to bring together students, academic researchers, industry professionals, and government […]

  • DigitalCity.Wien Blockchain Initiative

    sproof has been invited to present at the DigitalCity.Wien Blockchain Initiative in Vienna, Austria. This initiative is organized by the city of Vienna and is an opportunity to exchange ideas for blockchain applications. sproof presented its solution for digital document management and outlined the opportunities for sproof technology in governmental and industrial applications. We thank […]

  • Austriapro Blockchain Workshop

    English version: The sproof team presented its solution for managing digital documents at today’s Austriapro Blockchain Workshop in Vienna, Austria. This workshop is hosted by the Austrian Chamber of Commerce. The workshop is a place to meet for researchers and industry leaders and for discussing recent developments for managing digital documents on the blockchain. We […]


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