
0xLoopTheory
@0xLoopTheory
Cybersecurity researcher → on a 1001-day mission to go full-time in Web3 & cryptography. Smart-contract security, bug bounties & ZK.
75/1001 3.5 h zk-mutant 0.5 h Rust (@RareCodeAI) Back into full focus mode after the holidays — a solid day overall. Also read A Beginner’s Intro to Coding Zero Knowledge Proofs by @smpalladino — a great piece for anyone starting their ZK journey. Feeling re-energized,…
Just read A Beginner’s Intro to Coding Zero Knowledge Proofs by @smpalladino — a fantastic and approachable explanation of ZK concepts and how to start coding them. Really well-written and highly recommended for anyone curious about building in ZK 👇 dev.to/spalladino/a-b……
74/1001 1h Rust (@RareCodeAI) 🦀 1h zk-mutant 🧬 First day back after the holidays — a lot to catch up on: emails, shopping, cleaning, and getting everything in order again. Feels good to slowly get back into rhythm and balance study, work, and life again. #1001Days
🎯 Milestone Unlocked! Crossed 600 lines of Rust and nearly 50% complete on @RareCodeAI 🦀 First day back after the holidays — and it feels great to be coding again 💪 #1001Days #RustLang

As I move forward, my main focus will be zk-mutant — the project that will tie together everything I’ve learned so far. That said, I’ve decided to dedicate 30 minutes of Rust per day with @RareCodeAI. I still believe in deep focus, but Rust complements my ZK work beautifully —…
73/1001 1h zk-mutant Good flight home — everything went smoothly. Feeling grounded again and ready to shift gears from reflection into real building. Excited to truly get started now. ⚡️ #1001Days #zkmutant #ZK
🌙 Woke up in the middle of the night — and I guess it’s time to reflect on the last 72 days and what lies ahead. These past weeks have been transformative. I’ve gone through Serious Cryptography, Cryptography I, the full RareSkills zkBook (Modules 1–4), countless ZK Whiteboard…
Today, Cyfrin is taking the next step to level up blockchain security by fixing a broken hiring system. Introducing Cyfrin Jobs ✨ Where the leading on-chain organizations meet verified talent to fill mission-critical roles. But first, why does web3 need another jobs board? 👇
72/1001 1h zk-mutant — refining the roadmap, sketching the post-holiday workflow, and organizing notes for when I’m back at my desk. Our last full day of holidays today ☀️ It’s been wonderful — sun, laughter, and perspective. Tomorrow we fly back home, and I’m feeling refreshed,…
71/1001 1.5h working on zk-mutant Read A Developer’s Guide to Building Safe Noir Circuits by @OpenZeppelin — a great deep dive into secure circuit design and what to keep in mind when building with Noir. Refined the zk-mutant roadmap and reviewed the Noir puzzles that will…
I had a few days without audit contests and finally found time to finish all the lessons on @RareCodeAI Can confidently say — it was absolutely worth it. I went through the exercises while reading the Rust API docs and The Rust Book in parallel, and my understanding of Rust…

I went through A Developer’s Guide to Building Safe Noir Circuits by @OpenZeppelin — a great short read that dives into best practices for secure circuit development. 👇 openzeppelin.com/news/developer…
70/1001 2h zk-mutant 🧬 Still on my trip, just my iPad — no coding yet, just preparation. Finished reading the zkFuzz paper and started going through Noir puzzles to build my plan for when I’m back. It feels good to step back, think, and design before diving into the code.…
What I’m Building Next: zk-mutant 🧬 After finishing the #zkbook and diving into zkFuzz, I wanted to take it a step further — not just learn zero-knowledge, but experiment with it. zk-mutant is my personal research project — a playground where I explore mutation testing,…
69/1001 0.5 h zkFuzz A day away from the keyboard — sunshine, sand, and sea 🌴 Spent the day at the beach and pool with my family. Feeling lighter, more centered, and ready for the next phase. Still managed to read a bit more of the zkFuzz paper — it’s fascinating how fuzzing…
We arrived safely and had a great flight ✈️ This week, I’ll dive into the zkFuzz paper — but I also want to use the time to recharge and reset. To clear my head. To get clarity on my path. I know my long-term goals — now I need to make the road there visible. That also means…
68/1001 Travel day today ✈️ — not much deep work, but I still made progress. 1h Rust (@RareCodeAI) 1h zkFuzz paper (reading on the plane) The zkFuzz paper is fascinating — I’ll dissect it more in depth during the holidays and then move toward reproduction and exploration in…
Currently playing in the Noir Playground. 10/10 recommend. noir-playground.app
67/1001 1h Rust (@RareCodeAI) 🦀 Packing day + family trip to a gaming convention 🎮 Tomorrow is our big travel day ✈️ — I’ve prepared papers and resources to study on the way and in the hotel, but also want to use the time to recharge. Balancing family, study, and rest is…
66/1001 🦀 1.5h Rust (@RareCodeAI) That’s all I could manage today. Still, I’m content — I finished what I had to at work and carved out a bit of learning time. The holidays are coming, and I want to use them to recharge and get clarity. My plan is to dive into the zkFuzz…
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