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
Here are resources that really shaped my own zero-knowledge journey. If I missed your favourite ZK resource, please drop it in the replies so others can learn from it too 👇 🧱 Fundamentals / intuition (no heavy math required) Zero Knowledge Proofs: An Illustrated Primer by…
I’ve been thinking about the Competent Programmer Hypothesis – the idea that most programmers are reasonably competent, so most bugs are small, local deviations from the “intended” correct program. In an age of vibe coding, heavy framework cargo-culting, and AI-generated…
Just listened to this really interesting episode of the TestGuild podcast hosted by @joecolantonio: 🎧 What is Reverse Mutation Testing with Leonardo Lanni It introduced a concept I hadn’t heard before: Reverse mutation testing. Instead of mutating the code, you mutate the…
124/1001 🧪 3h — Mutorium Labs / mutation testing work (zk-mutant) 📚 0.5h — PR to awesome-mutation-testing (Solidity resources) — merged 🎉 🌐 1h — Mutorium website (new content + design fixes) A really good day again — spent time with visiting family, enjoyed great food and…
123/1001 🧪 3h — zk-mutant / cargo-mutants exploration A lighter day — much needed after a week of ~16h days (day job + Mutorium). The rest of the day was all about family: Christmas market, good food, meeting friends, and a spontaneous trip to the cinema. Honestly, it felt…
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…
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