#quantum-computing

Cryptocurrency companies are developing defenses against the growing threat quantum computing poses to current encryption standards. Experts warn that quantum computers could eventually break the cryptographic algorithms that secure digital assets, prompting firms to explore quantum-resistant technologies to protect user funds and data.

A research project uses Integer Linear Programming (ILP) to discover improved quantum error correction codes, aiming to enhance the performance and reliability of logical qubits in quantum computing systems.

German startup Quantum Systems has raised a €1 billion funding round to develop quantum technologies. Meanwhile, Finnish competitor IQM has become Europe's first publicly listed quantum computing company, marking a milestone for the continent's quantum sector.

Classical computers can simulate small quantum systems but become exponentially slower as qubits increase, making simulation of practical quantum computers impossible. This is why building physical quantum computers is necessary for solving complex problems beyond classical reach.

French quantum computing company Pasqal announced it has surpassed 1,000 atoms in its neutral-atom quantum processor, marking a milestone in scaling quantum hardware. The achievement demonstrates the ability to control and manipulate over a thousand individual atoms, which is a key step toward building larger, more powerful quantum computers.

Researchers present a machine-verified proof of a quantum-optimization conjecture using formal verification techniques, marking a step toward automated validation of quantum algorithm claims. The work demonstrates how computer-checked proofs can increase confidence in theoretical quantum computing results.

The Quantum Computing Roadmaps tracker provides a visual overview of the public development plans and milestones of major quantum computing companies and research groups, tracking their progress toward quantum advantage and fault-tolerant quantum computing.

A quantum computing chip developed by UC Berkeley will be placed in a national time capsule to commemorate the United States’ 250th birthday, preserving a piece of current quantum technology for future generations to discover.

Quantum computing startup Quera announced plans to deliver a system with thousands of error-corrected qubits by 2029, claiming its approach will leapfrog competitors. The company aims to achieve fault-tolerant quantum computing earlier than many industry projections, leveraging neutral-atom qubit technology.

BlackRock, Nvidia, and Temasek are among major investors pouring billions into quantum computing, betting that the nascent technology will eventually revolutionize industries by solving problems beyond the reach of classical computers. The heavy influx of capital signals growing confidence that quantum computing is moving closer to practical, commercial applications.

This repository introduces a Lorentzian CSS duality framework for quantum error-correcting codes defined on causal diamonds, exploring connections between holography and fault-tolerant quantum computation.

A person claims to have used AI to beat one of the best published quantum circuits for breaking ECDSA, a cryptographic algorithm used in Bitcoin and other systems.

Quantum picturalism uses diagrammatic reasoning to replace symbolic algebra in quantum theory, making calculations more intuitive and accessible. The approach, which represents quantum processes as pictures rather than equations, is reviewed for its potential to reshape how students and researchers understand complex quantum systems.

The article explores the transition to post-quantum cryptography, explaining how quantum computers threaten current public-key algorithms and detailing the practical challenges of deploying new quantum-resistant certificate standards like ML-KEM and ML-DSA.

The White House issued an executive order outlining steps to transition U.S. government systems to post-quantum cryptography, aiming to protect against future quantum computer threats. The order directs federal agencies to update cryptographic standards and migrate systems by 2035, marking a significant milestone in national cybersecurity preparedness.

The article warns that misleading and exaggerated claims about quantum computing, termed "quantum snake oil," are increasingly appearing in media and investment circles, making it harder for the public to separate genuine progress from hype.

Researchers have developed a camera that uses a single atom to capture images, potentially enabling visualization of the internal workings of quantum computers. The technique exploits the atom's sensitivity to magnetic fields and could help diagnose problems in quantum computing hardware.

IBM warns that "Q-Day" has already begun, meaning current encryption methods are increasingly vulnerable to future quantum computers. The article urges organizations to begin transitioning to post-quantum cryptography now to protect data against future decryption threats.

Microsoft's quantum computing technology faces renewed scrutiny as researchers question the validity of recent claims about the company's topological qubit breakthroughs. Skeptics argue that the evidence provided does not conclusively demonstrate the creation of stable qubits, reigniting debate over the progress of the company's quantum research.

A new quantum computer has achieved a record level of accuracy in its operations, marking a significant milestone in the field. While full-scale fault-tolerant quantum computing remains distant, this breakthrough demonstrates substantial progress in reducing error rates, suggesting that major advances in practical quantum computing may be closer than previously thought.

A new scientific paper has raised fresh doubts about Microsoft's quantum computing claims, questioning the evidence for the company's reported breakthrough in creating topological qubits. The researchers argue that data from Microsoft's experiments could be explained by more conventional physics, reigniting debate over the validity of the company's approach to building a quantum computer.

A researcher has challenged Microsoft's claimed quantum computing breakthrough, arguing that the results are invalid due to fundamental errors found in the Python code used to process the experimental data. The critique suggests the supposed "quantum leap" does not hold up under scrutiny.

The White House issued an executive order significantly shortening the deadline for federal agencies to transition away from cryptographic systems vulnerable to quantum computing attacks, accelerating the timeline for adopting quantum-resistant encryption standards.

The article reports a phase bit retention value of 99.54% for ion-based technology.

The White House issued a presidential action in June 2026 outlining a strategy to advance quantum innovation, aiming to maintain U.S. leadership in quantum technologies. The policy directives focus on accelerating research, development, and deployment of quantum systems across government and industry sectors.

Paul Raymond-Robichaud argues that quantum mechanics could have triggered a scientific revolution comparable to relativity, but was held back by philosophical conservatism and institutional inertia. He explores how alternative interpretations of quantum theory might still enable a deeper understanding of reality, and calls for a renewed openness to foundational questions in physics.

President Trump signed executive orders aimed at accelerating the development of a commercially relevant quantum computer by 2028, directing federal agencies to prioritize quantum research and bolster national security measures related to quantum technology.

The White House issued an executive order titled "Ushering in the Next Frontier of Quantum Innovation," outlining the administration's strategy to accelerate quantum research and development, strengthen national security through quantum technologies, and maintain U.S. leadership in the quantum computing sector.

President Donald Trump signed two executive orders aimed at accelerating the development of quantum computing technology. The orders establish a national strategy to maintain U.S. leadership in the field and direct federal agencies to prioritize quantum research and infrastructure.

Counterfactual quantum computation is a quantum computing technique in which the result of a computation can be learned without actually running the quantum computer, leveraging the quantum Zeno effect and interferometry to extract information from a device that remains operationally idle.