Blog / Quantum Cryptography
Quantum Cryptography
169 articles in this category.
BB84 Quantum Key Distribution: Critical Noise Security Guide
How does collective rotation noise affect BB84 QKD security? See the QBER, mutual information, and secret key rate trade-offs—and what to do now.
Post-Quantum Cryptography's Critical Side-Channel Flaw
Can attackers break McEliece and BIKE with just 200 power traces? New research exposes a decapsulation leak. Audit your PQC hardware now.
Clifford-Deformed LDPC Codes: 50% Biased Noise Thresholds
How Clifford-deformed zero-rate LDPC codes reach near-50% biased noise thresholds — and why it shortens your quantum-risk timeline. Read the analysis.
Fault-Tolerant Quantum Encoders: Critical 43% Gate Drop
New Munich Quantum Toolkit methods cut encoder gate counts 43% and depth 70%. See what faster fault-tolerant quantum hardware means for your crypto plan.
Quantum Fisher Information: When Convergence Checks Lie
Can your quantum estimation pipeline trust its own convergence signal? New research shows why width-only stopping rules certify biased results. Read on.
Quantum Fourier Transform: Critical Speedup for Shor's Era
A new arXiv preprint cuts fault-tolerant Quantum Fourier Transform runtime in half. See what the OQFT co-design means for your PQC migration timeline.
Acoustic Purcell Effect: Quantum Threat to PQC Timelines
New diamond spin-qubit research shows 10x faster phonon-mediated coupling at 12 GHz. What CISOs must know about accelerating quantum risk.
Geometric Quantum Gates Hit 99.91% Fidelity: PQC Urgency Rises
Neutral-atom researchers demonstrated a topologically protected two-qubit swap gate at 99.91% fidelity across 17,000 atom pairs. Audit your TLS chain now.
Fault-Tolerant QKD: Breaking the Bandwidth-Security Tradeoff
New arXiv research overclocks low-cost modulators in quantum key distribution without sacrificing security. See what CISOs must do now.
Quantum Multi-Programming: LUCJ Ansatz Hits 0.001 kcal/mol Accuracy
New LUCJ-based quantum multi-programming framework matches HCI reference within 0.001 kcal/mol — see what it means for enterprise quantum readiness.
Quantum Simulation on Laptop GPUs: 5.88x Speedup Unlocked
New research shows integrated GPUs can simulate 28-qubit quantum circuits 5.88x faster than CPUs. What does this mean for your PQC roadmap?
Germanium Spin Qubits: The Quantum Threat CISOs Must Track
Germanium's four spin-qubit modalities accelerate scalable quantum processors. Here's what enterprise security teams must do before harvest-now-decrypt-later wi