Writeup for Epstein Files from EHAX CTF 2026. A web challenge involving bypassing an AI model accuracy check by brute-forcing predictions and spoofing X-Forwarded-For to bypass rate limits.
Writeup for ToyPQC from Daily Alpacahack 2026 #27. A Hard Crypto challenge involving LWE with small error space vulnerable to brute-force.
Blockchain challenge involving address collision attack against a Rust-based rollup node using Ed25519 signatures and Blake3 hashing.
