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Quantum Security & PQC
Chinese Researchers Cut ECC Qubit Requirements to 1,333 with Open-Source Circuits
A Tsinghua–Peking University team achieves 1,333 logical qubits for ECC-256 with fully explicit, open-source quantum circuits. The gate count may matter more than the qubit count.
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Quantum Commercialization
Why Are Companies and Governments Buying Quantum Computers That Can’t Do Anything Yet?
The quantum computing market hit $1.4 billion in 2025 for machines that deliver no practical advantage over classical computers. Here's why that spending is more rational than it sounds.
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Quantum Security & PQC
Coinbase Quantum Paper: What It Gets Right, Wrong, and Misses
Coinbase assembled heavyweights like Scott Aaronson and Dan Boneh to assess quantum threats to crypto. Their paper is serious, measured, and technically sound. But it underestimates how fast the ground is shifting beneath blockchain cryptography.
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Research
Nature Reviews Publishes the Definitive CMOS–Spin Qubit Compatibility Assessment
A comprehensive review from Dzurak's team maps exactly where silicon spin qubits align with existing CMOS manufacturing — and where they diverge. The implications for scaling to millions of qubits are more nuanced than the headlines suggest.
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Industry
IonQ Photonic Interconnect: First Networked Commercial Quantum Computers
IonQ's photonic interconnect demonstration links two commercial quantum computers via entanglement for the first time. The milestone is real and strategically important - but the absence of fidelity and rate numbers in the announcement demands closer scrutiny.
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Research
QuEra Achieves 2:1 Physical-to-Logical Qubit Ratio With Ultra-High-Rate qLDPC Codes
A QuEra–Harvard–MIT collaboration demonstrates qLDPC codes that encode more logical qubits than they consume in overhead — a 2:1 physical-to-logical ratio that enters the Teraquop regime. This is a simulation result, not an experiment. But if it holds up, it…
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Post-Quantum, PQC, Quantum Security
Grover’s Algorithm vs AES – Why “Ignore It” Is Almost Right
The consensus says Grover will never break AES-128. The math checks out on today's assumptions. But those assumptions are built on surface codes and superconducting hardware, and the ground is already shifting. Scan the quantum computing coverage of Bitcoin and…
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Industry
McKinsey Quantum Technology Monitor 2026: “A Commercial Tipping Point” — But the Numbers Deserve Scrutiny
McKinsey’s 2026 Quantum Technology Monitor declares a “commercial tipping point.” The market analysis is useful, but the investment figures still deserve scrutiny.
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Industry
QED-C Reports $1.9 Billion Quantum Market as Venture Capital Nearly Triples and Workforce Pivots to Commerce
QED-C's State of the Global Quantum Industry 2026 report shows $1.9 billion in total quantum revenue, venture capital up 192%, and a workforce shifting from research roles to operations and sales.
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Quantum Security & PQC
Meta Publishes Its PQC Migration Playbook. And It’s the Most Detailed Hyperscaler Account Yet
Meta’s PQC migration playbook introduces “Migration Levels” as an operating model and describes post-quantum protections already live across internal traffic.
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Industry
NVIDIA Ising: Open AI Models for Quantum Calibration and Error Correction
NVIDIA's Ising family brings AI-driven automation to quantum calibration and error correction decoding — two bottlenecks standing between today's noisy qubits and fault-tolerant quantum computers. The strategic play underneath matters more than the benchmarks.
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Industry
DARPA Launches HARQ Program to Build Heterogeneous Quantum Architectures
DARPA has launched the HARQ program with 19 teams working to combine different qubit types into unified systems — the same heterogeneous vision that I was writing about many times.
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Quantum Security & PQC
Cisco Research Proves That One Post-Quantum Layer Can Protect Payload Confidentiality — But Authentication Requires Migrating Every Layer
A Cisco Research paper proves that one post-quantum layer suffices for payload confidentiality but every layer must migrate for authentication — and that upgrading to WPA3 worsened quantum security.
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Research
Harvard’s Cascade Neural Decoder Cuts Quantum Error Rates 17×, Reveals Waterfall Effect
Harvard's Cascade decoder achieves logical error rates 17× below the best existing decoders on quantum LDPC codes and reveals a "waterfall" regime of error suppression that could reduce the physical qubit count required for a CRQC by 40% or more.
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China's Quantum Ambition
Underestimating China: Why Beijing Could Win the Quantum Race
Nine investigations. One conclusion. China's structural advantages in quantum technology make it the most dangerous competitor the West has ever underestimated. Over the past several months, I examined every dimension of China's quantum program — the industrial policy that elevated…
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