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Current deployments of QKD are mostly a patchwork of specific link-by-link set up, trusted nodes, and hybrid PQC-QKD schemes. Nonetheless, progress in R&D efforts is steady: deployment of MDI QKD links, some tests on memory-assisted links are ongoing, as well as the development of new quantum or quantum-assisted primitives to implement future functionalities beyond QKD. I will present the view of the Commission on some of these challenges and ongoing initiatives.

The main objective of the presentation is to raise awareness and highlight the latest insights into hybrid approaches for transitioning to quantum-safe cryptography, which incorporates conventional, post-quantum and quantum cryptography-based components.

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The continuous progress in the development of quantum computers highlights the urgency of transitioning to quantum-safe technologies due to the imminent quantum threat. PQC and QKD, incl. its combination are important technology candidates to secure communication for the quantum era. In this presentation, we discuss real-world applications and scenarios, such as securing healthcare data, securing quantum computation outputs and enhancing security in networks. The insights provided aim to guide operators in effectively integrating QKD and PQC to ensure robust and future-proof communication security.

The vision of a quantum internet is to enable quantum communication in a distributed network of remote quantum processors. Use cases that are impossible in classical networks have been proposed, and new applications are emerging. Quantum memories will play a central role in a quantum internet, e.g. by enabling long-distance quantum communication via quantum repeaters. We will present the state of the art in the generation of heralded entanglement between quantum memories at a metropolitan scale and outline progress of the Quantum Internet Alliance (QIA) towards a first full-stack quantum internet prototype network. QIA’s work towards a global quantum internet ecosystem will also be sketched.

In our presentation we will discuss the reasons for using QKD and present the expected technology roadmap from a service provider point of view. This was based on the result of a case study by using QKD equipment in a real WAN network environment. We will show the impact from operational and network architecture point of view, when we use today's available QKD equipment. As a conclusion we will highlight the possible path towards a common use of QKD in WAN Networks.

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Introducing Q-PrEP, that is to pave the way to PQC in the public sector, we will showcase the state of the project, on the key points of
• Raising & spreading awareness of QC capability to break encryption and of PQC as mature counter measure
• Forming a stakeholders & expertise network of cybersecurity agencies, public services, technical experts, and associated entities all over Europe
• Raising synergies between academic, public, and industrial members, fostering a European PQC community in structured dialogue
• Unifying knowledge of the challenge by QC and implementation of PQC
• Consolidation & transfer into a comprehensive roadmap to quantum-safe IT in the European public

Is your data ready for Q-Day?
Quantum computers are coming—and with them, the end of classical encryption. At Quantum Optics Jena, we deliver industrial-grade, entanglement-based key distribution systems that provide the highest standard of security, ensuring true data sovereignty. Immune to "hack now, decrypt later" strategies, our solutions are designed for 24/7 operation with uncompromising robustness. We are building the quantum infrastructure of tomorrow—made in Germany, trusted across Europe, and ready for the world.

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As Rohde & Schwarz Cybersecurity we are an European IT security company that protects companies, public institutions and critical infrastructures around the world against cyberattacks. Our award-winning and certified IT security solutions range from compact, all-in-one products to customized solutions for critical infrastructures. We can look back at many years of experience in research and development, which includes the field of QKD and PQC, where we take part in numerous German and European research projects and prepare our products for the post-quantum Era. Our QKD ready IT security solutions are already present in numerous QKD networks.

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Learn about the innovative OHB Quantum portfolio - from space missions to a comprehensive collection of quantum technologies that offer pioneering solutions for a wide range of applications. Together with our partners from academia and industry we offer individual solutions for our customers pushing the boundaries for achieving sustainable progress - always inspired by the versatile possibilities that the world of quantum communication and sensing provides!

Thinkquantum areas of technology.