Writeups

Notes on things I've built and how they work. Short, specific, and about systems I can explain end to end.

• Building a six-flag CTF into my portfolio

  October 2026securitycloudflare workers

  How the CTF on this site is designed and verified: server-side hash checking, flags spread across different recon surfaces, and a deterministic DFIR puzzle. No spoilers, so you can still play.