> Because I believe those work like smartphone fingerprint scanners, you enroll on the device and it’s just a hash. "Probably X, but depends on the implementat

> Because I believe those work like smartphone fingerprint scanners, you enroll on the device and it’s just a hash. "Probably X, but depends on the implementation" isn't very reassuring. I, on the other hand, worked at a gym where members checked in with fingerprints instead of cards. Full scans showed on the till screen when people came in.