three words
paroxysmal atrial fibrillation.
A Canadian security firm that developed a device which uses the rhythm of a person's heartbeat as a biometric identifier has said that the technology offers a secure alternative to conventional biometrics. The Nymi wristband bracelet, manufactured by Bionym and due to become available next year, bundles a sensor that …
This could be taken seriously provided the false rejection rates are zero or very close to zero so that the user will not have to depend on a password for self-rescue in the outdoor environment where there is no such manager who takes care of the falsely rejected user. If not, it must be an expensive joke.