12th November 2025
QuBalt has been granted an EU patent for an optimization of an information-theoretically secure authentication method invented by Wulf Harder.

17-19th November 2025
Representatives of QuBalt will attend the Space Tech Expo Europe in Bremen, Germany. If you would like to arrange a meeting with us during the event, please feel free to contact us.

4-6th November 2025
QuBalt will attend the ESA Security for Space Systems 2025 at ESTEC in Noordwijk, the Netherlands, and will present its quantum- and cryptanalysis-secure remote software update system in the exhibition hall. The system has been selected by ESA for in-orbit testing on CyberCUBE in 2026.

23rd August 2025
The European Space Agency (ESA) has selected QuBalt’s quantum- and cryptanalysis-secure remote software update system for in-orbit testing on board the ESA CyberCUBE satellite in 2026.

4th July 2025
Representatives of QuBalt will attend the Mission 2044 Rearm Europe Summit in Berlin, Germany. If you would like to arrange a meeting with us during the event, please feel free to contact us.

19-21th November 2024
Representatives of QuBalt will attend the Space Tech Expo Europe in Bremen, Germany. If you would like to arrange a meeting with us during the event, please feel free to contact us.

6th November 2024
QuBalt SIA, Latvia, is pleased to announce that the European Space Agency (ESA) has awarded the company a contract to develop a quantum- and cryptanalysis-secure remote software update system for satellites.

18-19th September 2024
Representatives of QuBalt will attend the ESA Industry Space Days 2024 at ESTEC in Noordwijk, the Netherlands. If you would like to arrange a meeting with us during the event, please feel free to contact us.

27-28th May 2024
Representatives of QuBalt will attend the ESA Security for Space Systems 2024 conference at ESTEC in Noordwijk, the Netherlands. If you would like to arrange a meeting with us during the event, please feel free to contact us.

26th January 2024
QuBalt’s EU patent for a quantum position verification method, invented by Prof. Dominique Unruh, has been granted.

29th November 2023
Representatives of QuBalt will be attending the Quantum Readiness event in Hamburg, Germany, organized by the Artificial Intelligence Center Hamburg. If you would like to arrange a meeting with us during the event, please feel free to contact us.

25th August 2023
QuBalt presented its cryptographic methods at an event organized by Hamburg Invest Wirtschaftsförderung for Mr. Mircea Geoană, Deputy Secretary General of NATO, and his team. Five other startups and companies from Hamburg, Germany, specializing in defense, robotics, energy, artificial intelligence, and quantum technologies, also participated in this event.

23rd August 2023
QuBalt’s EU patent for a fully homomorphic encryption method, invented by Wulf Harder, has been granted.

27-29th June 2023
Representatives of QuBalt will be attending the 5th World Congress of Latvian Scientists in Riga, Latvia. If you would like to arrange a meeting with us during the Baltic Copernicus Day or the Latvian Space Technology Demonstrations, please feel free to contact us.

12th November 2021
QuBalt has joined the ecosystem of the QuNet Initiative, an research initiative funded by the Federal Ministry of Education and Research in Germany. The Fraunhofer and Max Planck Societies, the German Aerospace Centre (DLR) and Friedrich-Alexander-Universität Erlangen-Nürnberg are involved in the initiative.

17th February 2021
QuBalt announces today that the strategic investors PLATH Corporation GmbH and Papst Invest GmbH & Co. KG have joined QuBalt GmbH to create an ideal setup for innovative product development and for a successful market launch.
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28th October 2020
QuBalt’s EU patent for a quantum-secure software update method, invented by Wulf Harder, Prof. Dominique Unruh and Uwe Resas, has been granted.

28th May 2019
QuBalt’s patent for a quantum position verification method, invented by Prof. Dominique Unruh, University of Tartu, Estonia, has been granted in the USA.

8th November 2018
Digital 2018, Cologne, Germany
Wulf Harder gives a talk "Information-Theoretical Security – More Than Just Post-Quantum."

13th October 2018
Joint Estonian-Latvian Theory Days, Riga, Latvia
Wulf Harder gives a talk "Information-Theoretically Secure Fully Homomorphic Encryption."
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11th June 2018
QuBalt files three patent applications for improvements of information-theoretically secure authentication methods, invented by the QuBalt founder Wulf Harder.

13th April 2017
QuBalt develops hardware accelerated implementations of cryptographic algorithms for the automotive industry.

27th October 2016
DSS ITSEC 2016, Riga, Latvia
Wulf Harder gives a talk "Proof vs. Trust... and Who Pays for the Wood to Build the Trojan Horses?"

7th September 2016
solutions.hamburg Conference, Germany
Wulf Harder gives a talk "Information-Theoretic Security for Connected Cars."

12th February 2016
QuBalt has acquired a patent application for a quantum position-verification method from the University of Tartu.

10th December 2015
Arbeitskreis Bildbearbeitung, Neumünster, Germany
Uwe Resas gives a talk "Secure Software Updates for Industrial Systems."

22th October 2015
DSS ITSEC 2015, Riga, Latvia
Wulf Harder gives a talk "Securing Safety-Critical Systems Against Quantum and Cryptanalysis Attacks."

16th June 2015
University of Hamburg, Germany
Joint Advanced Seminar of Technical University of Hamburg and University of Hamburg
Wulf Harder gives a talk "Information-Theoretically Secure Authentication."

5th March 2015
QuBalt moved its Head Office to Neumünster, Germany.

15th January 2015
QuBalt developed an information-theoretically secure software update method, patent pending.

15th January 2015
QuBalt developed new program code transformation for white-box cryptography implementations.

27th November 2013, University of Latvia, Riga, Latvia
28th November 2013, University of Tartu, Estonia
Patenting Software in Europe
Speaker: Frank Waitzhofer. Sponsored and co-organized by QuBalt.
Tartu Event >> , Tartu Event Video >>

8th - 12th July 2013
ICALP, Riga, Latvia
Sponsored by QuBalt.
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7th July 2013
Workshop on Quantum and Classical Complexity
Riga, Latvia
Sponsored by QuBalt.

12th May 2013
Quantum and Crypto Day
University of Latvia, Riga, Latvia
Speakers: Helger Lipmaa (University of Tartu), Dominique Unruh (University of Tartu), Einar Pius (University of Edinburgh) and Alexander Belovs (University of Latvia). Sponsored and co-organized by QuBalt.

27th February 2012
Workshop on Patent Protection and Computer Science Research
University of Tartu, Estonia
Organized by the University of Tartu. Speakers from the University of Tartu's Innovation Center and QuBalt.

7th June 2012
Crypto Reading Group
University of Tartu, Estonia
Andris Ambainis (University of Latvia), "Classical Cryptography That Is Secure Against Quantum Computers?". Sponsored by QuBalt.
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30th May 2012
Crypto Day
University of Latvia, Riga, Latvia
Speakers: Andris Ambainis (University of Latvia), Wulf Harder (QuBalt), Helger Lipmaa (University of Tartu) and Manfred Kudlek (University of Hamburg). Sponsored and co-organized by QuBalt.

28th May 2012
University of Latvia, Riga, Latvia
Wulf Harder, "A Turing-Complete Computational Model Based on the Composition of Finite and Infinite Automata."

3rd May 2012
Crypto Reading Group
University of Tartu, Estonia
Wulf Harder, "Creating New Cryptographic Operations by Composing Turing Machine Components Using the Tool TRANSDUCE, Part II."
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8th March 2012
Crypto Reading Group
University of Tartu, Estonia
Wulf Harder, "Patterns in Input/Output Dependencies of Block Ciphers and Arithmetic Operations."
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23rd November 2011
Crypto Reading Group
University of Tartu, Estonia
Wulf Harder, "Creating New Cryptographic Operations by Composing Turing Machine Components Using the Tool TRANSDUCE, Part I."
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