Building a utility-scale quantum computer that can crack one of the most vital cryptosystems—elliptic curves—doesn’t require nearly the resources anticipated just a year or two ago, two independently written whitepapers have concluded.

Quantum computers of the future may be closer to reality thanks to new research from Caltech and Oratomic, a Caltech-linked start-up company. Theorists and experimentalists teamed up to develop a new approach for reducing the errors that riddle today's rudimentary quantum computers.

Quantum computing research is evolving fast, but there a significant doubts if these devices will be relevant to the average company.

The research shows quantum computers may break bitcoin and ether wallet encryption with far fewer qubits than previously thought, accelerating the push toward post-quantum security.

The performance of quantum computers could cap out after around 1,000 qubits, according to a new analysis published in the Proceedings of the National Academy of Sciences. Through new calculations, Tim Palmer at the University of Oxford has reconsidered the mathematical foundations underlying the quantum principles behind the technology,

Quantum Entanglement Gets Buried in Noise. This Device Can Recover It. In A Nutshell Researchers built a device that recovers entangled quantum states after noise has already degraded them, using standard fiber-optic telecom hardware.

Chicago has quickly emerged as a hub for quantum computing, with the state of Illinois and technology companies pouring millions of dollars into developing a campus to build the world’s first commercially viable quantum computer on the city’s Southeast ...

Silicon is ubiquitous in modern electronics, and now it is becoming increasingly useful in quantum computing. In particular, silicon's compatibility with existing chip technology and its long coherence times in silicon-based spin qubits make it a promising material for scalable quantum computing.

HSBC on Thursday announced it has successfully used quantum computing in a trial to optimize bond trading, making it the first in the world to prove the value of the powerful emerging technology in the financial services industry. Working with IBM, the ...