[oropolo]

Which leads to the question: will cameras be "fingerprinted" before being sold?

[dogma1138]

It would be far easier to force phone and camera manufacturers to “embed” a fingerprint in the photo than to measure every sensor.

Also these fingerprints in reality are very flaky and the higher the quality of the sensor the less of a fingerprint there is to work with.

The fingerprints are also dependent on specific operating conditions which can change with firmware and operating parameters (e.g. digital zoom / cropping) as well as environmental conditions such as light levels and even temperature.

[gonesilent]

camera manufacturers already put unique QR like barcode on the sensors for lot tracking and such.

[zorlack]

...and also leads would-be anonymous image-posters to increase the noise-floor of their photographs.

[ancientworldnow]

It makes more sense to just denoise.

[mistrial9]

digital cameras have extensive internal IDs that are transferred into the image file -- this varies a lot by manufacturer and model

edit https://packages.debian.org/search?keywords=exif

[pessimizer]

The file, but not the image. Also easily removable, although companies have been clearly encouraged to make this difficult in mainstream software and to set maximal defaults. Probably doesn't take much encouragement, because the more metadata, the more automagic.