The Vanishing Password: What Happens When Identity Becomes Purely Biometric?
The password was always a flawed invention—forgotten, reused, stolen. Tech companies have long promised its replacement. That promise is now arriving, not with new strings of characters but with fingerprints, faces, and voices. Biometric authentication is moving from novelty to default. Airports scan irises, smartphones unlock with thumbprints, banks verify transactions with voice recognition. The password is vanishing. What remains is a more intimate question: what happens when our bodies become the only keys we hold?
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