It's apparently possible[0] to retrieve fingerprints from a mobile phone photo of someone's hand, which might wind up being a problem for Asians making the ubiquitous peace-sign[1]. I guess they could always just turn it around, though ;)
And of course copying keys from cellphone photos is old hat to the point that it's actually an app, and people have been getting doxxed through the EXIF data on images they upload for years.
And of course copying keys from cellphone photos is old hat to the point that it's actually an app, and people have been getting doxxed through the EXIF data on images they upload for years.
[0]https://www.schneier.com/blog/archives/2018/04/lifting_a_fin...
[1]https://www.asiaone.com/digital/chinas-peace-sign-selfie-tak...