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  • Writer's pictureNate Scharping

Your Heartbeat Can Give Away Your Identity, Like a Fingerprint

Updated: Jan 19, 2021

Our heartbeats differ just enough to tell us apart, but they also give away potentially sensitive information.

Heartbeats, like our fingerprints and faces, are unique. The distinctive waveforms generated by a heart’s expansions and contractions differ just enough from person to person that they can be used to tell us apart. That means heartbeats could serve as a biometric — a unique physiological characteristic that can be used to identify a person. Some scientists think a heartbeat could be a better identifier than the fingerprints we use to unlock phones today.

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