Quantum Computing

Quantum computing startup Oratomic has reached a valuation of $5.4 billion following its Series-B funding round, according to an exclusive report by the Wall Street Journal. The funding marks a major milestone for the young company as investor interest in quantum computing continues to grow. Details on the investors and the amount raised were not immediately disclosed.

Cryptographer Matthew Green, a professor at Johns Hopkins, warned that public key cryptography — the foundation of most internet security — could be lost. His remark has drawn attention among security researchers, with discussion centring on threats such as quantum computing advances that could break widely used encryption like RSA and elliptic curve cryptography, forcing a difficult transition to post-quantum alternatives.

Cryptographer Matthew Green warned that public key cryptography, the foundation of much modern internet security, might be lost. The remark is circulating among technologists debating the threat, with discussion centered on risks such as quantum computing breaking current encryption and the potential consequences for secure communications worldwide.

A report on quantum computing and cryptocurrencies concludes that the main risk lies in the public-key cryptography protecting wallets, while blockchains themselves remain secure because they rely on hash functions. The authors say the warning applies more broadly to other systems that depend on public-key encryption, as quantum advances could eventually break widely used cryptographic methods.

The U.S. Department of War has announced $350 million in funding for quantum computing initiatives. The investment aims to accelerate development of quantum technologies with potential military and national security applications. The announcement is drawing attention amid ongoing competition with China and other rivals over advanced computing capabilities.

A developer has released a set of quantum computing experiments on GitHub that stress testing against honest classical baselines, arguing that many quantum claims should be benchmarked rigorously against what classical methods can achieve. The project is drawing attention in the physics and computing community, where skepticism about overhyped quantum advantage remains a recurring debate.

A new paper in the open-access journal Quantum examines composable logical gate error in approximate quantum error correction, revisiting how gate implementations are treated in Gottesman-Kitaev-Preskill codes. The peer-reviewed study is openly available and is being shared among quantum computing researchers interested in error-correction methods.

Quantum, the open-access peer-reviewed journal, has published a new paper presenting quantum algorithms for general nonlinear dynamics based on the Carleman embedding technique. The approach maps nonlinear differential equations into a linear form that quantum computers can in principle simulate, an area where quantum methods are normally limited to linear systems. Researchers in quantum computing and simulation are sharing the paper within the physics community.

Jameson Lopp, co-founder and CTO of bitcoin security firm Casa, says fears that AI will soon break Bitcoin's cryptography distract from the actual risk: implementation errors in wallets, apps and firmware. He notes that not a single key has been compromised, arguing the debate over hypothetical AI-powered cryptographic attacks is overshadowing practical security failures that cause real losses today.

Researchers have introduced PairInteraction, a software toolkit for modeling Rydberg physics in alkali and alkaline-earth-like atoms, published in Nature. The tool helps scientists calculate pair interactions between highly excited atoms, a key task for quantum simulation, quantum computing and sensing experiments using Rydberg states.

CoinDesk reports that more than 6 million bitcoin are held in addresses with exposed public keys, leaving them potentially vulnerable to future attacks. The warning comes as concern grows that advances in artificial intelligence and quantum computing could eventually threaten the cryptography protecting older bitcoin wallets. Analysts say owners of coins sitting in reused or exposed addresses may need to migrate funds to safer address types.

Fermilab has been selected to lead two new awards under the Genesis Mission, a US initiative aimed at accelerating scientific discovery. The awards will fund work to speed up the development of microelectronics and quantum technologies, fields seen as critical to future computing and national competitiveness. Details on funding amounts and project partners have not yet been released.

The Foundation for Defense of Democracies has published a paper outlining how operators of critical infrastructure can prepare operational technology systems for the transition to post-quantum cryptography. Industrial control systems often run for decades, so upgrading their encryption is a slow process. The paper argues organisations should begin inventorying cryptographic assets and planning migrations now, before quantum computers threaten current defenses.

RaiNews featured researcher Giuseppe Bisicchia of the University of Pisa explaining what quantum computing can and cannot do. He dispelled common misconceptions, saying the technology will not bring science-fiction scenarios, but offers tools for problems too complex for traditional computing systems. The segment outlines both the opportunities and current limitations of the field.

Researchers have proposed a hybrid quantum computer design capable of simulating both fermions and bosons, the two fundamental classes of particles in physics. The approach combines different quantum systems to capture behaviors that single-platform machines struggle to model, potentially opening new paths for simulating materials and fundamental particles. The work is being presented through the American Physical Society.

The American Physical Society is highlighting new work explaining how to arrange hundreds of atoms between two mirrors, a setup used in cavity quantum electrodynamics to control light-matter interactions. The research points to techniques for positioning large numbers of atoms precisely, a step relevant to quantum computing, precision measurement and fundamental tests of physics.

Healthcare organizations are poorly positioned to defend against quantum computing threats, according to a Healthcare Dive report. Quantum computers are expected to eventually break widely used encryption, putting sensitive patient data at risk through 'harvest now, decrypt later' strategies. Experts are urging hospitals and health systems to begin migrating to post-quantum cryptography, but most have yet to take action.

A new open-source tool called PQC Triage lets developers paste a software dependency manifest and instantly see which cryptographic algorithms in their stack a quantum computer could break first. The tool aims to help teams prioritise migration to post-quantum cryptography as quantum computing advances. Discussion so far has been small but focused on its usefulness for security auditing and codebase triage.

Researchers have reported entangling a levitated glass bead with light, a result that could point toward a new type of quantum memory. The experiment, covered by Ars Technica, involves suspending a nanoscale bead and linking its motional state with photons. If the entanglement proves robust, it could allow quantum states to be stored and retrieved, a key requirement for quantum networks and computing.

The US Department of Energy has announced new science applications for quantum computing, outlining how the technology could be applied to research problems in areas such as materials science, chemistry and energy. The announcement highlights the department's ongoing investment in quantum research and its push to move quantum systems from laboratory experiments toward practical scientific use.

WISeSat.Space has announced plans to deploy quantum-safe satellites, according to reports from WISeKey's space initiative. The company is positioning its satellite network to resist future quantum computing threats, which could break today's encryption. The move fits a broader push in the space and security sectors toward post-quantum cryptography for satellite communications and data protection.

The Department of War's Office of Strategic Capital has signed a $150 million conditional loan commitment with quantum computing firm PsiQuantum. The deal signals continued federal investment in quantum technology, seen as strategically important for defense and economic competitiveness. PsiQuantum, based in California, is developing fault-tolerant quantum computers, and the commitment marks one of the office's notable moves into the sector.

New alerts are circulating that artificial intelligence may accelerate the breaking of elliptic curve cryptography, the public-private key system securing most of the cryptocurrency industry. The warnings claim such a break could happen well before quantum computers become capable of it, raising concerns about the vulnerability of digital assets and existing encryption standards.

Argonne National Laboratory has published a feature examining how lattice quantum chromodynamics, the computational method used to study the strong force between quarks and gluons, intersects with modern artificial intelligence. The piece frames Lattice QCD calculations as a demanding frontier where AI techniques and leadership-class supercomputing are being combined to push the precision of fundamental physics simulations further.

The Pentagon has announced a $350 million initiative to advance US quantum computing capabilities, framing the move as part of the deepening technology rivalry with China. The programme signals Washington's intent to accelerate investment in quantum research, an area seen as critical to future military and economic advantage, as both powers compete for leadership in next-generation computing.

The United Arab Emirates and the United States have held talks aimed at deepening cooperation on artificial intelligence, quantum computing and space. The discussions reflect a broader push by both countries to strengthen technology and research ties, with the Gulf state positioning itself as a growing hub for advanced technologies and space exploration partnerships.

Nature has published a piece on non-reciprocity in quantum technologies, examining how devices that allow signals to travel in only one direction can be built and used in quantum systems. The topic matters for quantum computing, communication and sensing, where controlling signal flow without adding noise remains a key engineering challenge. Discussion is largely technical, among physicists and quantum engineers.

IBM is pitching its Quantum Fab Anderon as the foundry of the quantum era, aiming to do for qubits what TSMC did for classical semiconductors: manufacture advanced quantum processors at scale for the wider industry. The facility is meant to solve one of quantum computing's biggest bottlenecks, the lack of reliable, high-volume chip production, and could position IBM as the central supplier as quantum hardware demand grows.

Researchers report that quantum neural networks are outperforming comparable classical machine learning models in the search for new physics, according to coverage in science media. The findings suggest quantum computing approaches could give particle physicists a sharper tool for spotting anomalies in collider and experimental data that classical algorithms miss.

The U.S. Department of Energy has allocated $159 million in Phase II awards under its Genesis Mission, targeting quantum error correction and materials co-design. The funding advances the initiative's second phase, directing federal money toward overcoming error-correction barriers in quantum computing and co-developing new materials. Details on individual awardees and project breakdowns have not yet been widely reported.

Ethereum co-founder Vitalik Buterin has endorsed researcher Justin Drake's proposal for a controlled migration of users to fresh wallet addresses. Drake argues that advances in AI pose a growing risk to ECDSA cryptography, a threat he says exceeds near-term quantum computing concerns. Both figures urge a gradual transition rather than a sudden switch, with lattice-based cryptography among the suggested defenses.

The US Department of Energy has announced planned science applications for quantum computing. The announcement outlines how the emerging technology could be applied to scientific research areas, though details beyond the headline are not available. Quantum computing is a priority area for federal research funding, and the department has previously supported quantum research programs.