> There's no reason any other form of biometrics is less secure than fingerprints. Anything which is a non-standard fallback with limited use is likely to be l

> There's no reason any other form of biometrics is less secure than fingerprints. Anything which is a non-standard fallback with limited use is likely to be less secure. Not because the method would be inherently worse, but just because reduced use means that less attention and effort goes into building and maintaining it.