Frankly, of all the personally identifying data I share with my bank, a low resolution phone video of the side of my head is the least worrying. It's like worrying the government knows my mum's maiden name!

In the eventuality that robust deepfake technology to provide fluid real-time animation of my head from limited data sources exists and someone actually wants to use it against me, they can probably find video content involving the side of my head from some freely available social network anyway.

The implementation I’ve seen only stores a hash based on the image analysis