Mark C
@largecardinal.bsky.social
Logician (PhD), Quantum Hacker, ML miscreant. Feral academic. Co-founder of Quantum Village @ DEF CON
In the spirit of writing more notes now that I'm attending more public meetings on subjects such as this, here's a nifty note about converting hidden shifts into hidden subgroup problems for quantum cryptanalysis: presheaf.blogspot.com/2026/07/note...
Note on Hidden Shifts as Hidden Subgroups
On of the key insights I acquired in the talks at QCPQA this last week was that a hidden shift over some finite abelian $A$ (usually $\mat...
presheaf.blogspot.com
Answer in response to "why do quantum computing companies keep releasing simulators?"
For eighteen months I thought my neighbour was called Teddy. His name was Simon. Teddy was his dog.
Ever had a PDF staring at you but no download button and don't want a frustrating dig through network requests to yank the file? Here's the slightly timesaving Chrome extensions I needed: github.com/unprovable/P...
GitHub - unprovable/PDFRecover: Chrome Extention to Recover streamed PDFs from web tabs
Chrome Extention to Recover streamed PDFs from web tabs - unprovable/PDFRecover
github.com
Can those higher up the supply chain take our security a bit more seriously, please? KTHXBAI
Zack Whittaker@zackwhittaker.com · last mo.A cybercrime gang took credit for a hack at Klue, allowing them to steal data from a bunch of major cybersecurity companies. You might not have seen Klue CEO's blog post because it included "noindex" code in the HTML, which hides the page from search engine results: web.archive.org/web/20260622...
~25 years ago I crashed on a friend's couch before an interview. his dad, a former pastor, asked me what I was interviewing for, so I said, "Unix Administrator". he got a confused look for a moment, then started laughing, then asked me how I found enough eunuchs to need an administrator 😆
Teenagers doing online check bypasses and distributing them to each other? "County Lines: Cyber" wasn't a dystopia I was expecting just yet.
This is wild... Malware has LLM prompts to trip safety mechanisms in LLMs to evade detection. 👨🍳💋👌 socket.dev/blog/mini-sh...
Mini Shai-Hulud, Miasma, and Hades Worms Target Bioinformati...
Newer packages in this compromise use native extensions and .pth loaders to execute JavaScript stealers in developer environments.
socket.dev
Watching people in a safe university bubble talk about technologies in the 'real world'...
We're looking for passionate volunteers to make QV an unforgettable and valuable experience to over 30k hackers and technologists. 👉 Sign up here: forms.gle/eAi5jBQoYmAC... 📍August 7th-9th at LVCC, Las Vegas, USA
Call for Volunteers/Scientists/Creators
This year's theme is: Agency Dates: August 7th-9th Location: Las Vegas Convention Centre, Las Vegas, NV, USA Quantum Village is a 501(c)(3) non-profit and is primarily volunteer driven, in order to ...
forms.gle
🔬⚛️ Calling all quantum experts and n00bs alike! Quantum Village is returning to DEF CON 34 for its fifth year and we need YOU. Link 🔗⤵️
I'd love to see the survivorship stats on this... How many one shot maths conjecture runs came up with utter tosh vs. this one big win?
Eris@isolyth.dev · 3mo agoOpenAI has used a "general purpose reasoning model" to disprove that the square grid type construction is the best solution to the planar unit distance problem. I am sure the "AI is completely useless" crowd will now change their ways, right?
The "Life in Britain" citizenship test is a glorified pub quiz designed around English, not British, history.
I wrote back in November about how easy it was to find leaked passport photos and driver's licenses online. The spills have only gotten worse in the months that age verification laws rolled out. We're reaching a point (if not already) where our government IDs aren't worth shit in the digital world.
It's far too easy to find leaked passports and driver's licenses online
Passports and driver's licenses are easy to find online, thanks to a dizzying array of websites and apps that require a copy but aren't keeping the data safe.
this.weekinsecurity.com
This was quite fun. Fun fact - the substitutions for x*y, -x, and x^{-1} are minimal (by exhaustive search). Enjoy!
arXiv math.LO Logic@mathlo-bot.bsky.social · 3mo agoMark Carney: Inexpressibility in Exp-Minus-Log https://arxiv.org/abs/2605.01636 https://arxiv.org/pdf/2605.01636 https://arxiv.org/html/2605.01636
I’m not over on the other platform anymore but this deserves sharing. Veneer finally starting to crack at some of these places.
Wrote entire books about how people who believe fairies live in gardens are idiots only to fall in love with a calculator that calls him smart
Matthew Sheffield@matthew.flux.community · 3mo agoIn totally unsurprising news, Richard Dawkins is developing AI psychosis. Paywall bypass: archive.is/6RdK9
JD Vance Still Waiting For Secret Service To Retrieve Him From Secure Hiding Area
JD Vance Still Waiting For Secret Service To Retrieve Him From Secure Hiding Area
theonion.com
Tired; use poetry to hack your AI... Wired; bad bard. www.forbes.com/sites/lancee...
How Poetry Is Diabolically Being Used In Everyday Prompts To Get AI To Do Things It Isn’t Supposed To Do
Hackers and evildoers are using adversarial poetry to jailbreak AI. The trick involves writing poems as prompts. AI safeguards can be averted. An AI Insider scoop.
forbes.com
Joooooooooookes blog.trailofbits.com/2026/04/17/w...
We beat Google’s zero-knowledge proof of quantum cryptanalysis
Trail of Bits discovered and exploited memory safety and logic vulnerabilities in Google’s Rust zero-knowledge proof code to forge a proof claiming better quantum circuit performance metrics than Goog...
blog.trailofbits.com
#Quantum + #AI starts here!! We added an MCP server to make the world's first AI native Agent Ready QRNG! Take a look: github.com/QuantumVilla... This endpoint exposes the QRNG status, the health of the generated bits, and if course gives access to the whitened entropy!
EntropyLoop/mcp at main · QuantumVillage/EntropyLoop
A Fully Open Source, Low Cost Phase-Diffusion Quantum Random Number Generator Using Off the Shelf Parts, Brought to you by Quantum Village - QuantumVillage/EntropyLoop
github.com
Quantum Village@quantumvillage.bsky.social · 4mo agoHappy World Quantum Day Folks - to celebrate we are releasing our latest open quantum hardware project: The ‘Entropy Loop’ This is a USD $35 open source Quantum Random Number Generator made using off the shelf fiber optics and a raspberry pi pico - in a credit-card sized package!! Link below...
Agentic Quantum, anyone?
Quantum Village@quantumvillage.bsky.social · 4mo ago#Quantum + #AI starts here!! We added an MCP server to make the world's first AI native Agent Ready QRNG! Take a look: github.com/QuantumVilla... This endpoint exposes the QRNG status, the health of the generated bits, and if course gives access to the whitened entropy!
Update; this is now the first AI Agent native QRNG! MCP server ready to go. 🦞🔗⤵️
Quantum Village@quantumvillage.bsky.social · 4mo agoHappy World Quantum Day Folks - to celebrate we are releasing our latest open quantum hardware project: The ‘Entropy Loop’ This is a USD $35 open source Quantum Random Number Generator made using off the shelf fiber optics and a raspberry pi pico - in a credit-card sized package!! Link below...
