For years, unlocking your devices felt like a tug-of-war between convenience and security. Face recognition stumbled if you wore sunglasses. Fingerprint scanners balked when your hands were sweaty or greasy. Passwords? A relic, and an insecure one at that. Yet here we are, watching palm recognition quietly outmaneuver every other biometric tech on the block.
A few years ago I saw a talk how some hackers where able to fool arm vein scanners. I think it was a talk on the chaos communication congress