Quantum Computing News, PQC News, Quantum Security News & Commentary
What’s Happening in Quantum — and What It Means
IonQ Shows a Single Laptop CPU Can Decode a Simulated 408-Logical-Qubit Trapped-Ion Computer in Real Time
IonQ researchers decoded simulated trapped-ion workloads on 12 Apple M4 Max cores, the largest with 408 logical qubits and another with over a million T gates, adding under 0.3% delay at a two-qubit error rate of one in 10,000 ...
China’s Next-Generation Crypto Candidates Drew 104 Public Findings in Three Days. Researchers Broke Five Designs on Day Two
Within three days of China publishing its first-round candidates, public reports listed 104 findings against 65 of them. Saarinen's AI-assisted sweep found code bugs; researchers posting to ICCS's own forums found the design breaks ...
FIPS 140-2 Goes Historical Today – What Actually Changes and What Doesn’t
Every remaining FIPS 140-2 certificate moves to the CMVP Historical list on September 21, 2026. The sunset changes procurement, not operations – but the supply-side gap in FIPS 140-3 validated modules makes the transition harder than the seven-year runway implied ...
RSA-896 Factored With Claude on Spare GPUs, 16 Days After RSA-260
Stephen Weis of Anthropic used Claude to port CADO-NFS to GPUs and factored RSA-896 on idle capacity, 16 days after Cognition's RSA-260 record. RSA-2048 remains about 35 billion times harder and needs a quantum computer ...
Infleqtion and NVIDIA Build a qLDPC Compiler Pipeline, But the Code Has Not Yet Run on Hardware
Infleqtion integrated its open-source qLDPC library with NVIDIA's new CUDA-Q Logical compiler layer, validating a code that encodes 18 logical qubits in 98 physical data qubits. The software pipeline works. Physical execution is next ...
IBM’s Spacetime PEC Cuts Error-Mitigation Sampling Overhead 63× – But the Exponential Wall Remains
IBM researchers combined probabilistic error cancellation with post-selected error detection, reducing sampling overhead by up to 63× on a 49-qubit subset of IBM's 156-qubit Heron processor. The result extends near-term error mitigation but does not eliminate its exponential cost ...
Cloudflare’s 1.1.1.1 Now Validates Post-Quantum DNSSEC Signatures – And Shows Why PQC Migration Is a Systems Problem
Cloudflare enabled ML-DSA-44 DNSSEC validation on its 1.1.1.1 resolver. No other major public resolver has announced equivalent support. The move exposes transport, downgrade, and chain-of-trust challenges that will define PQC migration beyond TLS ...
Quantum Capability Has Doubled Every One to Two Years. Sandia Says the Early-2030s Roadmaps Need Four Times That.
A Sandia-led team ran identical circuits on Google, IBM and Quantinuum processors, then on a fault-tolerant architecture built from logical qubits. The encoded version reached 2.7% of the raw machine's score ...
Chip-Based QKD Has a Glow Problem: VOA Luminescence Creates a Side Channel That Standard Security Analyses Miss
A peer-reviewed study finds that variable optical attenuators in integrated QKD chips emit unintended light near 1107 nm. The emission creates a wavelength-resolved side channel that standard BB84 security analyses do not account for, and the modeled impact on key rates is severe ...
Quantinuum’s Helix Demonstrates How a Compact Error-Correcting Code Can Compute
Quantinuum's Helix architecture demonstrates logical memory, Clifford computation and an inter-code interface on Helios – all without postselection. The gap between these components and sustained universal computation defines what comes next ...
Fujitsu Built a Diamond-Spin Quantum Prototype. The Numbers That Would Prove It Scales Are Missing.
Fujitsu says it has built the first diamond-spin quantum computer prototype to integrate a tin-vacancy center with an on-chip photonic circuit. The fabrication is real. The scalability metrics that would validate the modular architecture are not yet published ...
IonQ Compiles Shor’s Attack on secp256k1 Down to 19,397 Ions and 26 Days per Attempt
IonQ has compiled a full ECDLP-256 attack to a trapped-ion design that does not exist, charging every Clifford, measurement and ion transport. The accounting is the most detailed I have seen. The error rates, cycle time and machine are assumptions ...
Cognition’s Devin Built a GPU Number Field Sieve and Factored RSA-260, Cutting the Price of Breaking RSA-1024 to $30 Million
Eric Lu of Cognition had the Devin agent build a GPU version of CADO-NFS and factored the 862-bit RSA-260 on idle cluster capacity, for about $400,000 of GPU time. Factoring RSA-1024 would cost about $30 million, by his estimate ...
G7 Tells Every Organization to Start PQC Migration – But the Procurement Signal Matters More Than the Headline
The G7 Cybersecurity Working Group's September 2026 call to action urges all organizations to begin PQC migration. The document is guidance, not regulation, but its procurement and supply chain language carries real consequences for enterprises and their vendors ...
AIX Global Innovations Claims to Have Solved All Six Millennium Prize Problems. Its Own Lean Audit Says Otherwise.
AIX Global Innovations says its proprietary quantum stack solved all six remaining Clay Millennium Problems. The Lean package it released does not show six closed proofs. Its own audit exposes the missing premises ...
First Quantum-Safe Bitcoin Transaction: What QSB Proves
The first quantum-safe Bitcoin transaction was confirmed on mainnet on 26 August, built by StarkWare's Avihu Levy using hash-based constructions within existing consensus rules. The method protects individual holdings but cannot help the six million BTC with public keys already exposed on-chain ...
IBM Connected Two Quantum Cryostats. The Three Numbers That Matter Were Not in the Press Release
IBM has connected and cooled two modular cryogenic cells. Beyond the press release, its specification sheet and briefing coverage disclose 30 kW per module, 23 mK with a simulated payload, and 99.3 percent interconnect fidelity. The design also requires warming the connected system for cryogenic ...
Harvard Extends Diamond Qubit Coherence Threefold With Sound Instead of Microwaves
Harvard researchers extended diamond qubit coherence threefold using mechanical vibrations instead of microwave pulses – addressing a compatibility problem that had blocked phonon-based quantum networking on a chip ...
