Sam Bent

Researchers pulled a 256-bit key out of a device by filming its power LED. The status light flickers with the chip's power draw, and that leaks the key. A full ECDSA key was recovered from 16m away through a window via a hijacked camera. https://www.nassiben.com/video-based-crypta

#OPSEC365 124/365 RFID chips in your wallet and pocket can be scanned without your knowledge. Transit cards, hotel keycards, office badges, and many credit cards hold RFID or NFC chips readable at short range with a $30 reader. Walk past one and the unique ID gets logged with no visible interaction. US e-passports differ: shielded in a metal cover, locked by an optical key printed inside, unreadable while closed. The rest of your pocket isn't. #OPSEC365

The most respected cypherpunk in Bitcoin's history told you transparent ledgers are designed to harm individual privacy, and the Bitcoin community pretends they never heard him, Monero is what Hal was actually describing. https://postiz.chadmarks.com/uploads/2026/01/03/371446ad76ee89ce282f238027803dc0.jpg