the.com/biometrics
turning your face, fingers, and eyeballs into a password you can't change or forget.
means identifying people by measuring unique physical or behavioral traits instead of relying on things they know or carry.
from from greek bios (life) and metron (measure), quietly used in stats for decades before fingerprint scanners and phone unlocks made it a household word in the 2000s.
first use1858, colonial india used fingerprints on contracts
unchangeable flawyou cannot reset a stolen fingerprint
weird traitsgait, typing rhythm, and ear shape all qualify
error typefalse acceptance and false rejection tradeoffs