Writeup for Analog Nostalgia from 0xFun CTF 2026. An easy forensic challenge involving extracting an image from a VGA raw signal capture.
Writeup for Bank Heist from BITSCTF 2026. A hard blockchain challenge exploiting missing program_id checks in CPI verification.
Writeup for SafePaste from BITSCTF 2026. A hard web challenge escaping DOMPurify via server-side mXSS and String.prototype.replace() template injection.
