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Post-Quantum, PQC, Quantum Security
Cryptographic Inventory Vendors and Methodologies
Achieving a comprehensive cryptographic inventory often requires combining multiple tools and methodologies. Each solution above has blind spots: one might excel at catching code-level issues but miss network usage, another might see network traffic but miss dormant code, etc. Organizations…
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Q-Day
What Is Q-Day (Y2Q)?
Q-Day, sometimes called “Y2Q” or the “Quantum Apocalypse”, refers to the future moment when a quantum computer becomes powerful enough to break modern encryption algorithms. In other words, it’s the day a cryptographically relevant quantum computer (CRQC) can crack the…
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Quantum Commercialization
Deep-Tech Commercialization Challenges in the EU
Europe is a global powerhouse in deep-tech research - from quantum breakthroughs to biotech - yet it struggles to turn this scientific excellence into market success. In fact, Europe’s deep-tech sector holds immense potential (estimated at €8 trillion) but lags behind…
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Research
Quantum Breakthrough Slashes Qubit Needs for RSA-2048 Factoring
A new research preprint by Google Quantum AI scientist Craig Gidney has dramatically lowered the estimated resources needed to break RSA-2048 encryption using a quantum computer. Gidney’s May 2025 paper, “How to factor 2048 bit RSA integers with less than…
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Quantum Computing Companies
Quandela
Quandela is a French quantum computing company founded in 2017 as a spin-off from the Centre for Nanoscience and Nanotechnology (C2N) in Paris. It has established itself as a pioneer in photonic quantum computing, focusing on single-photon-based qubits and integrated…
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Quantum Computing
Quantum Winter Warning: Why Overhype and the QCI Saga Could Chill Quantum Computing
The saga of Quantum Computing Inc. is a stark illustration of what happens when hype becomes unmoored from truth. If the quantum field falls into the trap of overselling and under-delivering, we will hand ammunition to detractors and possibly induce…
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Quantum Computing Companies
Planqc
Planqc is a Munich-based quantum computing startup (founded in 2022 as a Max-Planck-Institute spin-off) developing a neutral-atom quantum computing platform. The company’s core approach is to store quantum information in individual ultra-cold atoms that are trapped in optical lattices -…
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Quantum Computing Companies
Quantinuum
Quantinuum, formed by the 2021 merger of Honeywell Quantum Solutions and Cambridge Quantum, is another leader in trapped-ion quantum computing. It combines Honeywell’s hardware prowess with Cambridge’s algorithm/software expertise. Quantinuum’s roadmap is notably direct about pursuing fault tolerance, and they’ve…
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Quantum Commercialization
Global Quantum Innovation Ecosystems: Lessons for TTOs from Around the World
For universities and tech transfer offices (TTOs), understanding global diverse quantum innovation ecosystems is more than a matter of curiosity – it’s a practical guide for positioning academic spin‑offs for success on the world stage. Government investment is a key…
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Quantum Computing Companies
ORCA Computing
ORCA Computing is a U.K.-based quantum computing company (spun out of the University of Oxford in 2019) that builds photonic quantum processors using light (single photons) traveling through optical fiber. Its mission is to make quantum computing a practical reality…
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Quantum Computing Companies
Oxford Quantum Circuits (OQC)
Oxford Quantum Circuits (OQC) is a UK-based quantum computing company founded in 2017 as a spin-out from the University of Oxford. It has emerged as a leading hardware developer focused on building commercially useful quantum computers for real-world applications. OQC…
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Quantum Computing Companies
Quantum Computing Inc
Quantum Computing Inc. (QCI) is a young entrant in the quantum computing race that has charted a strikingly different course from its larger rivals. Rather than building superconducting or ion-trap processors requiring extreme isolation, QCI focuses on photonic quantum machines…
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Quantum Computing Companies
Xanadu
Xanadu is a Toronto-based quantum computing company pioneering photonic (light-based) quantum processors. Founded in 2016 by CEO Christian Weedbrook, the venture has quickly become a leader in continuous-variable photonic quantum computing hardware and software. Xanadu’s approach leverages squeezed-light photons as…
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Quantum Computing Companies
Fujitsu
Fujitsu, a Japanese IT and computing giant, has emerged as a serious player in quantum computing through a multi-pronged strategy spanning cutting-edge quantum hardware and quantum-inspired annealing solutions. The company is pursuing one of the most ambitious quantum roadmaps to…
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Quantum Computing Companies
Rigetti
Rigetti Computing is a full-stack quantum hardware company specializing in superconducting qubit processors. Rigetti’s qubits are implemented as Josephson-junction-based circuits (transmons) operated at milli-Kelvin temperatures inside dilution refrigerators. This platform offers extremely fast gate speeds (on the order of tens…
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