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The race for quantum sovereignty in Europe has taken a decisive step with the activation of EuroQCS-Spain at the Barcelona Supercomputing Center – National Supercomputing Center (BSC-CNS). This new quantum computer, the third housed at the center, represents a milestone as it is manufactured entirely with European technology, with a leading role played by the Spanish startup Qilimanjaro Quantum Tech, a spin-off of BSC itself, the University of Barcelona (UB), and the Institute of High Energy Physics (IFAE).

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EuroQCS-Spain has been financed with an investment of 9.8 million euros, contributed by the European Commission and the Government of Spain — the latter has contributed 4.8 million through the Secretary of State for Digitalization and Artificial Intelligence. This economic commitment underscores the importance that institutions place on quantum computing as a pillar of the continent's technological autonomy.
The project is part of the European Quantum Strategy, whose goal is for the region to become a quantum power by 2030. EuroQCS-Spain is integrated into the European network of quantum computers of the EuroHPC JU infrastructure, which has already acquired six systems, four of which are already operational in Poland, Czechia, Germany, and France.
The uniqueness of EuroQCS-Spain lies in its completely European supply chain. Qilimanjaro Quantum Tech, in collaboration with Do It Now, has taken on the design of the quantum chip and the development of the necessary software. The only outsourced phase has been the physical manufacturing of the chip, carried out in Gothenburg, Sweden, thus keeping the entire process within the European ecosystem.
This approach contrasts with other quantum projects that depend on non-European components and reinforces the need for critical infrastructures controlled from design to operation, a topic we already addressed in our article on hardening and maintenance of Linux servers, where we highlight the importance of supply chain security.

The new system has been installed in the renovated chapel of Torre Girona, where the MareNostrum 5 supercomputer resides. This location allows for unprecedented integration: EuroQCS-Spain becomes one of the first supercomputers in the world to combine classical, digital quantum, and analog quantum computing in a single environment.
While previous digital quantum computers (such as those of MareNostrum Ona) are ideal for mathematical problems, cryptography, or search algorithms, the new analog system opens the door to applications such as molecular modeling, simulation of physical phenomena, logistics optimization, and Quantum Machine Learning, including training artificial intelligence models. This complementarity is key for researchers, industry, and public administrations across Europe to tackle problems that were previously unapproachable.
The combination of classical and quantum resources poses orchestration challenges similar to those faced in container environments, as we analyzed in our article Resource tuning in Kubernetes: the solution exists, but we don't trust it.
EuroQCS-Spain is not just a technical achievement; it is a tool for European competitiveness. The ability to perform precise molecular simulations can accelerate drug discovery, while quantum logistics optimization promises to reduce costs in supply chains. Additionally, Quantum Machine Learning could revolutionize artificial intelligence, a field where Europe seeks not to depend on extracontinental powers.
The integration with MareNostrum 5 allows users to combine the power of classical supercomputing with quantum versatility, a hybrid approach that maximizes performance. For companies already exploring AI, as mentioned in From pilot to production: the technology channel faces the real gap of artificial intelligence, this infrastructure can be the bridge between experimentation and large-scale implementation.

The launch of EuroQCS-Spain is a milestone on the path to Europe's quantum sovereignty. By relying on European technology and talent, the project reduces vulnerability to external suppliers and lays the foundation for a native quantum industry. The collaboration between BSC, Qilimanjaro, and academic institutions demonstrates that high-level innovation is possible within the continent.
For IT professionals, this advance implies the need to train in new quantum skills and understand how to integrate these systems into existing infrastructures. Security and management of these hybrid environments will be an emerging field, as already occurs with VPNs and firewalls in traditional environments (Complete guide to configuring secure VPNs and firewalls).
Europe has set the course: quantum computing will not only be a scientific achievement but a strategic tool for technological autonomy. EuroQCS-Spain is proof that the path is possible.
Original source: ComputerWorld. Analysis and adaptation by ForgeNEX.