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Research
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.
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Policy & Sovereignty
Sweden Publishes Its First National Quantum Strategy
Stockholm has published the document its research community asked for two years ago. The goals run a decade. The programme that built the country's quantum research base is funded for four more years. The strategy is silent on what follows.
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Quantum Computing
The GSMA’s Telco Quantum Playbook Misreports the McKinsey Report It Cites
A trade body published a vendor-contributed document, and the one exhibit anyone could verify turned out to misreport the report it names. What that costs the operators who will quote it in board papers.
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Post-Quantum, PQC, Quantum Security
Proving Your Crypto Inventory Is Complete Without Handing Over the Map
Four research teams have built privacy-preserving validation systems for bills of materials. Each can prove something about a committed record, and none establishes that the record describes the estate it claims to cover.
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Quantum Security & PQC
An Incomplete FO Check Turned wolfSSL’s ML-KEM Into Key Recovery
A researcher recovered 98% of an ML-KEM-1024 private key from wolfSSL's shipped binaries using a few hundred chosen ciphertexts. The bug was in hand-written SIMD assembly, patched in version 5.9.2.
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Post-Quantum, PQC, Quantum Security
Guarding the CBOM: The Most Sensitive Document Your Security Program Produces
Cryptographic discovery finds weaknesses that matter today, not only after a quantum computer. The resulting inventory ranks them, stays useful to attackers for years, and almost nobody has said to guard it.
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Quantum Computing
The Merchant QPU Market – Who Will Actually Sell You a Quantum Processor
Strip away cloud access and turnkey machines and the number of companies that will sell a quantum processor for third-party integration drops to six. An audit of the merchant market, with prices, specs, and the gaps.
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Quantum Security & PQC
The Ethereum Foundation Spent Eight Years on a Hash Its Roadmap No Longer Needs
Binary-field proof systems made standard hashes cheap enough to prove that Ethereum's exotic one lost its reason to exist. Nobody broke it. An eight-year research bet was retired in a single post.
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Cyber-Kinetic Security
The White House Authorized Private Hack-Back. I Spent 11 Years Arguing Against It.
The August 12 memorandum puts vetted American firms inside a federal offensive pipeline. Work through the text and the party that keeps getting hit is the United States.
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Research
China Set a 420 km Quantum-Memory Entanglement Record. The Two Ends Were in One Lab.
Pan Jianwei's group heralded entanglement between two rubidium memories across 420 kilometers of fiber, published in Physical Review Letters on August 11. The concurrence at that distance sits about 2.1 times its own quoted uncertainty above zero.
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Quantum Security & PQC
Google Cloud Put Dates on Its PQC Migration. Signatures Trail Confidentiality by a Year.
Google Cloud has attached target years to 19 service-level roadmap entries running through 2029. Store-now-decrypt-later mitigation is due in 2027, signatures and key-management foundations in 2028.
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Quantum Computing
I Set Five Tests for Silicon Spin in March. One of Them Was Too Weak.
Two cleared, one partial, one open, and one that HRL passed as written while leaving the thing it was meant to measure exactly where it was in March.
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Post-Quantum, PQC, Quantum Security
Six Teams Shipped the Same ZK Verifier Bug. Quantum Doesn’t Get a Patch.
Zcash closed a 3.66 million ZEC pool to new deposits after a soundness bug surfaced in a Shielded Labs audit. A quantum verifier migration is harder, and no regulator can schedule the fork.
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Post-Quantum, PQC, Quantum Security
When Two Cryptographers Independently Confirm a Break, Ask Which Model They Used
Two proofs of the same result landed three hours apart from the same model, and Simon's DCP claim is now being taken apart by humans and models working together. Separate names no longer establish separate failure modes.
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Quantum Security & PQC
A New Classic McEliece Distinguisher Undercuts Generic Decoding. It Is Not a Break.
No security claim has fallen and the scheme is not broken. What fell is the quantitative argument that made structural attacks easy to set aside, because one now costs less than generic decoding on every NIST parameter set.
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