Writeup for ToyPQC from Daily Alpacahack 2026 #27. A Hard Crypto challenge involving LWE with small error space vulnerable to brute-force.
Writeup for the SpiralFloat challenge from 0xL4ugh CTF V5. A Hard Crypto challenge involving chaotic map inversion using Interval Arithmetic and Depth-First Search (DFS).
A detailed writeup for the House of Illusions challenge from 0xL4ugh CTF V5. A Hard Blockchain/Smart Contract Security challenge involving proxy patterns, ABI encoding exploits, and compiler differences.