quantum computers
Coverage of quantum computers in the Nexus archive.
- Researchers Reveal the Power of ‘Quantum Proofs’
Researchers discovered that quantum computers can solve difficult math problems rapidly. They continue to explore cases where quantum computers outperform classical ones, with computer scientists investigating related questions about their power.
- Scientists make quantum time flow backward in stunning physics breakthrough
Researchers developed quantum control techniques that reverse a system's time flow by managing measurements, enabling energy harvesting. This breakthrough may advance quantum computing and battery technologies.
- Why Post-Quantum Cryptography Starts With Credentials
Current encrypted data, such as credentials, may lose confidentiality in the future as quantum computers could break public-key cryptography. While existing machines cannot yet compromise elliptic curve cryptography or RSA, rapid advancements in quantum hardware necessitate new protective measures for organizational data.
- Quantum computers will supercharge the world — but they present serious national security risks
Quantum computers are exceptionally good at breaking codes, which presents serious national security risks.
- Trump directing ‘government dollars and time’ to quantum security could be a boon for bitcoin
Trump is directing government resources to quantum security, which could benefit Bitcoin. Millions of bitcoins with exposed public addresses may be vulnerable to quantum computers, according to Project Eleven.
- This simple twist could bring quantum computers closer to reality
Researchers discovered that twisting layered sheets of hexagonal boron nitride can alter light produced by quantum emitters within the material. This technique provides a new method to control components essential for quantum computers, communications systems, and sensors.
- Algorand plans ‘broad quantum resilience’ by 2027
Algorand is developing new accounts and consensus mechanisms aimed at resisting the cryptography-breaking threat posed by quantum computers. The plan is part of the company's strategy to achieve 'broad quantum resilience' by 2027.
- Oxford physicists just made Schrödinger’s cat even stranger
Oxford physicists have created a new Schrödinger’s cat-like quantum state using highly quantum components, potentially advancing quantum computing resilience and understanding of quantum rules.
- China unveils world’s first superfast quantum memory, paving way for practical computing
Chinese scientists have developed the world's first superfast quantum memory, addressing a critical data-reading bottleneck. This advancement could enable quantum computers to tackle big-data challenges such as drug discovery and detecting fraudulent financial activities.
- Microsoft Reveals '1,000x More Reliable' Quantum Chip as Bitcoin Threat Draws Nearer
Microsoft revealed a quantum chip named Majorana 2, claiming it is 1,000x more reliable. The development, aided by AI, has raised concerns about quantum computers potentially threatening Bitcoin's cryptography.
- Key Chemistry Question Answered, No Quantum Computer Required
Garnet Chan, a chemistry researcher focused on basic science and biochemical processes, has become a key figure in the debate over quantum computers' advantages over classical computers. The article highlights his role in addressing a significant chemistry question without requiring quantum computing technology.
- Watch: Semafor Tech Summit
Semafor Tech Summit announces a new event series called 'Semafor Tech: First Principles' that will examine second and third-order impacts of emerging technologies like quantum computers, fusion reactors, and humanoid robots. The summit will use first principles thinking to connect technical developments to real-world impacts on markets, labor, and geopolitics over the next six months.
- New quantum sensor could count individual photons and hunt dark matter
Researchers have developed an ultra-sensitive quantum sensor capable of detecting energy levels below one zeptojoule using superconducting materials. The breakthrough technology has potential applications in improving quantum computers, enabling photon counting, and detecting dark matter particles from space.
- Quantum computers will eventually break the cryptography securing most blockchains. Algorand already has a plan.
Quantum computers pose a future threat to blockchain cryptography security. Algorand has developed a proactive plan to address this quantum computing threat and protect its blockchain infrastructure.
- New quantum algorithm solves “impossible” materials problem in seconds
Researchers have developed a quantum-inspired algorithm to simulate complex quantum materials known as quasicrystals, enabling the design of advanced topological qubits and materials for future quantum computers. This breakthrough could lead to powerful new quantum devices and ultra-efficient electronics. The algorithm solves a problem that conventional supercomputers struggle to approach.
- The predictable failure of the QDay Prize
The QDay Prize, intended to raise awareness about quantum computing threats to cryptography, is criticized as meaningless after a 15-bit key 'break' was shown to be equivalent to random guessing. The article argues the competition failed to achieve its goal and instead undermines efforts to address quantum threats, with companies like Google and CloudFlare already advancing post-quantum cryptography.
- Coinbase's quantum report is getting covered wrong don't you think?
Quantum computers pose a potential threat to Proof-of-Stake (PoS) cryptocurrencies like Ethereum and Solana due to continuously exposed validator keys. Coinbase's report highlights systemic risks, with Ethereum's 32.3% staked ETH and Solana's 68% staked SOL requiring long-term quantum-safe migration efforts. Ethereum and Solana are already exploring quantum-resistant solutions, and Coinbase's advisory board underscores institutional risk planning.
- Bitcoin-Magazine: When Quantum Computers Come for Your Bitcoin: What Classical Property Law Says Happens Next
The article explores how quantum computers could compromise Bitcoin's cryptographic security and examines classical property law's potential role in resolving disputes over stolen or lost Bitcoin in such scenarios.
- In a first, a ransomware family is confirmed to be quantum-safe
A new ransomware family named Kyber claims to use quantum-safe encryption via ML-KEM, a lattice-based key encapsulation mechanism endorsed by the National Institute of Standards and Technology (NIST). Kyber's approach aims to resist attacks from quantum computers, positioning it as a successor to vulnerable RSA and Elliptic Curve cryptosystems.
- Coinbase Flags Proof-of-Stake Chains Like Ethereum, Solana as Potential Quantum Risks
Coinbase's advisory council warns that Proof-of-Stake blockchain networks like Ethereum and Solana could face quantum computing risks. Validator signatures and wallet cryptography may be vulnerable if future quantum computers break current encryption standards.
- Quantum Computers Could Boost AI by Processing Large Datasets More Efficiently
Researchers have developed a method to process data in quantum computers using smaller batches, potentially enhancing AI efficiency. This approach could improve large dataset handling without storing entire datasets.
- Quantum Computers Are Not a Threat to 128-Bit Symmetric Keys
The article discusses that current quantum computers do not pose a threat to 128-bit symmetric encryption keys, which are widely used in secure communications. It clarifies that breaking such keys would require significantly more advanced quantum technology than exists today.
- The Quantum Threat Is Coming for Bitcoin and Crypto—Here's How XRP Ledger Is Preparing
Quantum computers pose a potential threat to major cryptocurrencies like Bitcoin and Ethereum. Ripple is developing strategies to secure the XRP Ledger against such quantum threats.
- What Is Q-Day? The Quantum Threat to Bitcoin Explained
Experts warn that quantum computers could forge Bitcoin's digital signatures, enabling unauthorized transactions. This potential threat, associated with 'Q-Day,' highlights vulnerabilities in current cryptographic systems used by Bitcoin.
- Bitcoin Magazine - legal evaluation when quantum computers come for your BTC
The article explores the legal implications of quantum computers potentially breaking Bitcoin's encryption, using classical property law frameworks to evaluate ownership and liability in a post-quantum scenario. It references a Reddit submission by /u/jkl2035 for discussion.
- Quantum computers take on health care: light-sensitive cancer drugs win US$2 million contest
Quantum computers are being applied to biology, particularly in developing light-sensitive cancer drugs, which won a US$2 million contest. However, quantum machines currently lack a clear advantage over classical computers in this field.
- Prepping for 'Q-Day': Why Quantum Risk Management Should Start Now
Quantum computers are approaching and could disrupt systems unpredictably, according to a cryptography expert. Preparing for quantum risks requires years of effort, highlighting the urgency of quantum-safe solutions.
- Quantum computers keep losing data. This breakthrough finally tracks it
Scientists have developed a new method to track information loss in quantum computers 100 times faster than before, potentially stabilizing these systems.
- Scientists find quantum computers forget most of their work
A new study reveals that early steps in quantum circuits lose their impact, making deep quantum circuits behave more like shallow ones and limiting current quantum computer capabilities.