Samsung patents blood flow biometric for smartphones and wearables

Samsung’s patent shows authenticating users by measuring their blood flow patterns — SamMobile — “The patent describes a method to identify users based on blood flow patterns in their fingers or wrists using sensors in smartphones and smartwatches… According to the patent application, it is possible to authenticate users based on their blood flow patterns as ‘the arterial conduction paths of different users are almost never identical’.”

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