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Quantum Computing Companies
Diraq
Diraq is an Australian quantum computing startup (founded in 2022 as a spin-off from UNSW Sydney by Professor Andrew Dzurak) focused on building large-scale quantum processors based on silicon-based spin qubits. The company’s strategy is to leverage standard silicon CMOS…
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Quantum Computing Companies
D-Wave Systems
D-Wave Systems is a pioneer in quantum computing known for its unique focus on quantum annealing - a specialized analog approach distinct from the gate-based quantum processors pursued by most competitors. Founded in 1999, D-Wave became the first company to…
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Quantum Computing Companies
Atom Computing
Atom Computing is a fast-rising startup developing gate-based quantum computers using optically trapped neutral atoms as qubits. The company made headlines in late 2023 by announcing a 1,225-site optical atom array populated with 1,180 qubits - the first universal quantum…
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Quantum Computing Companies
Amazon AWS
Amazon has taken a dual approach to quantum computing, combining cutting-edge hardware research with commercial cloud services. On the R&D side, Amazon Web Services (AWS) established the AWS Center for Quantum Computing at Caltech in 2019, explicitly aiming to build…
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Quantum Computing Companies
Alice & Bob
Alice & Bob is a Paris-based quantum computing startup (founded in Feb 2020 by Dr. Théau Peronnin and Dr. Raphaël Lescanne) focused on building a universal, fault-tolerant quantum computer using a novel “cat qubit” architecture. The company’s approach leverages superconducting…
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Quantum Sovereignty
Quantum Human Capital Controls as Geopolitics
Quantum sovereignty is talent-constrained. In the race for quantum technology leadership, a skilled workforce has become a strategic asset - and a policy battleground. Nations are increasingly treating talent as a key lever of geopolitics, shaping immigration visas, research-security screening,…
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Quantum Computing Modalities
Quantum Computing Modalities: Superconducting Cat Qubits
Cat qubits encode quantum information in Schrödinger's cat states inside superconducting resonators. Bit-flip errors are suppressed by the physics, not by error correction. Alice & Bob and AWS are betting this approach could cut the path to fault tolerance by…
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Quantum Security & PQC
Europe’s New Cryptographic Rulebook Just Made PQC Official
30 Apr 2025 - For years, the EU's position on post-quantum cryptography could be summarized as "we're watching closely." That changed in April 2025, when the European Cybersecurity Certification Group - the body that decides which cryptographic mechanisms are acceptable…
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Post-Quantum, PQC, Quantum Security
The Enormous Energy Cost of Breaking RSA‑2048 with Quantum Computers
The energy requirements for breaking RSA-2048 with a quantum computer underscore how different the post-quantum threat is from conventional hacking. It’s not just about qubits and math; it’s about megawatts, cooling systems, and power grids. Today, that reality means only…
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Leadership
Building the Quantum Workforce: Talent Challenges and Opportunities
Amid quantum revolution, a bottleneck has emerged: a lack of skilled people. In fact, the quantum talent shortage is now seen as one of the primary hurdles to translating lab discoveries into real-world innovations. One industry expert even warned that…
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Quantum Computing
The Many Faces of Decoherence
Quantum computers hold enormous promise, but they face a stubborn adversary: decoherence. This is the process by which a qubit’s fragile quantum state (its superposition or entanglement) leaks into the environment and effectively "forgets" the information it was carrying. For…
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Quantum Computing
What Quantum Computers Can Do Better Than Classical Computers
Quantum computers already outperform classical computers on a few specialized tasks, and over the coming years that list of tasks will grow. They excel at problems where superposition and entanglement let them explore a vast landscape of possibilities in parallel…
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Quantum Computing
The Rise of Logical Qubits: How Quantum Computers Fight Errors
Logical qubits are the linchpin for delivering on the promise of quantum computing. They are the qubits as we wish we had them – long-lived and trustworthy – brought to life by the ingenuity of quantum error correction. By encoding…
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Quantum Security & PQC
SC081v3 and the 47‑Day Certificate Era: What the CA/B Forum Just Set in Motion
On April 11, 2025, the CA/Browser Forum published Ballot SC081v3, “Introduce Schedule of Reducing Validity and Data Reuse Periods,” alongside a draft of the TLS Baseline Requirements updated for IPR review. The ballot sets a phased schedule that shrinks maximum publicly trusted TLS server…
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Quantum Security & PQC
OpenSSL 3.5 Ships with Post-Quantum Cryptography On by Default
OpenSSL 3.5.0 ships with ML-KEM, ML-DSA, and SLH-DSA built in, and defaults TLS key exchange to hybrid PQC. For the millions of servers and applications running OpenSSL, PQC just went from "find a plugin" to "update your library."
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