0xLoopTheory
@0xLoopTheory
Cybersecurity researcher → on a 1001-day mission to go full-time in Web3. Focused on mutation testing in Web3, smart-contract security & ZK. @MutoriumLabs
Meet Zeke 🧪🧬 Our tiny circuit monster is the mascot of zk-mutant — happily brewing code mutants and marking which ones your tests actually kill. You’ll see a lot more of him as we build mutation testing for Noir & ZK systems with @MutoriumLabs. #MutationTesting #zkmutant
122/1001 🛠️ 5h — Noir test-coverage PR 📘 0.5h — Social Engineering (reading) 🧪 1h — Rust mutation-testing study (cargo-mutants talk + article) A solid day. Made more progress on the Noir test-coverage PR — lots of experimenting, mapping, and pushing the discussion forward.…
I started writing a Mutation Testing book for web3 & ZK. This idea is heavily inspired by the ZK book from @RareSkills_io. That book has been a huge part of my journey – I’ve spent so many evenings/weekends with it, learning, re-reading, and slowly understanding concepts that…
121/1001 📚 0.5h — Social Engineering: The Science of Human Hacking 🛠️ 5h — Noir test-coverage PR (active exploration & experiments) Today was all about pushing the coverage discussion forward — trying things directly in the @NoirLang codebase, testing ideas, and writing…
Five years ago, I read Mastering Ethereum for the first time one of the best books to understand Ethereum fundamentals. Now the 2nd Edition is out, and I just finished it. The updates, clarity, and depth are incredible. A must read for anyone serious about Ethereum. Huge…
One week into my phone detox, and it’s honestly one of the best decisions I’ve ever made. I didn’t throw my phone away — I just limited a lot of things and deliberately put it aside when I’m at home. And the change is incredible. More focus. More calm. More boredom — the good…
120/1001 📘 1h — Mastering Ethereum (2nd Edition) - finished the book 🎉 🛠️ 5h — Noir test-coverage PR (PoC exploration) 🧪 3h — Mutorium Labs (Swiss Cheese Model blog post) Today I definitely overdid it a bit — 9h on top of a full 9h workday, and only ~5h of sleep. Not ideal,…
New blog post is up 🧀 “No single technique – not tests, not audits, not formal proofs – is enough on its own.” I wrote about the Swiss cheese model of Web3 security and where mutation testing fits in the stack. #MutationTesting mutorium.com/blog/swiss-che…
I just finished Mastering Ethereum (2nd Edition) — and I want to express my gratitude to the three people who made this updated edition possible. Thank you @ManInBlackie, @crypto_ita2, and @idrocortisone for the enormous effort you put into bringing this book to life. Your work…
119/1001 🧠 0.5h — Mastering Ethereum (2nd Edition) 📊 4h — noir-metrics (v0.1.0 shipped 🎉) Big milestone today: shipped noir-metrics v0.1.0. Feels really good to take this from idea → design → working tool and finally hit “publish”. It’s a small piece in the bigger vision,…
muellerberndt.medium.com/the-security-r… Required reading if you want to make it far as an SR!
Wild timing. Yesterday I tweeted about applying the Swiss cheese model to Web3 security – today I open Mastering Ethereum (2nd ed.) and hit this line 🤯 "Think of robust development as the first layer in a Swiss cheese model" Feels like a good confirmation that thinking in…
The “Swiss cheese model” from safety engineering is a powerful mental model for Web3 security 👇 In aviation, you never trust a single barrier. You stack layers – procedures, checklists, training, technology – and accept that every layer has holes. Incidents happen when the…
118/1001 🧠 0.5h — Mastering Ethereum (2nd Edition) 🧪 0.5h — Mutation testing study 🌐 0.5h — Mutorium website 🦀 0.5h — Rust study 📊 1h — noir-metrics A good day overall — both at work and on the project. I made solid progress on noir-metrics and the roadmap for the next…
Watched: Rust Modules — Explained Like I’m 5 by @letsgetrusty youtu.be/969j0qnJGi8 I really enjoyed this one — super clear and exactly what I needed to sharpen my understanding of Rust’s module system. What still amazes me: thanks to @RareCodeAI I now have such a solid…
youtube.com
YouTube
Rust Modules - Explained Like I'm 5
The “Swiss cheese model” from safety engineering is a powerful mental model for Web3 security 👇 In aviation, you never trust a single barrier. You stack layers – procedures, checklists, training, technology – and accept that every layer has holes. Incidents happen when the…
Just watched this intro talk on mutation testing: “Unleashing the Power of Mutation Testing: Supercharging Software Quality and Resilience” by Emma Taylor from the #OSSummit of the @linuxfoundation. A clear and accessible overview — perfect if you want to understand why mutation…
youtube.com
YouTube
Unleashing the Power of Mutation Testing: Supercharging Software...
117/1001 📘 0.5h — Mastering Ethereum (2nd Edition) 🌐 4h — @MutoriumLabs website (Astro + blog post work) 📊 2h — noir-metrics 🧭 1h — Personal development 🗺️ 1h — Mutorium roadmap & planning A really satisfying day. I can feel a deep determination building in me — stronger…
Been having so much fun sketching diagrams with @excalidraw lately. Nothing beats a clean, simple canvas when you’re trying to think visually. ✏️🧠
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