https://cryptax.github.io/tags/nfc/NFC - Tag - The handbag of CryptaxHugo -- gohugo.ioen-uscrypto.maniak@gmail.com (Cryptax)crypto.maniak@gmail.com (Cryptax)Sun, 08 Nov 2026 00:00:00 +0000https://cryptax.github.io/blackalps2026-badge/Sun, 08 Nov 2026 00:00:00 +0000cryptaxhttps://cryptax.github.io/blackalps2026-badge/Badge Challenge at BlackAlps 2026 At a booth, Compass Security was running an interesting CTF-like challenge. They were giving out NFC-programmable e-Ink badges such as these: You’d go to their stand, get your photo taken (if you wanted) and have a local LLM on one of their laptops process the image. In my case, I added the prompt “put a crocodile on my shoulder” - spot it in the picture.