In the era of the information revolution and the dominance of big data, ensuring full communication security is not an easy task. The major world powers have therefore begun to invest more resources in the field of quantum physics, exploiting its enormous potential to make unprecedented progress in several strategic areas, including cybersecurity, logistics, communication, healthcare, and others. The European Union also decided to row in the same direction. Indeed, on 31 May 2021, the European Commission finally selected a consortium led by Airbus and composed of several companies and research institutes, including Leonardo, PwC France and Maghreb, Orange, Telespazio, the Istituto Nazionale di Ricerca Metrologica (Inrim) and the Consiglio Nazionale delle Ricerche (CNR) to study and design the future EU quantum communication network (Airbus, 2021). Through the new European Quantum Communication Infrastructure (EuroQCI), the EU aims to ensure ultra-secure communication between government institutions and critical infrastructures across the Union.