Indeed, if Nigerian 419 scammers have already picked up photoshopping IDs [1], you can imagine what a low barrier this will be. The real question is if you can verify the ID electronically from the image, and the answer will generally be no.
You might be able to use Hany Farid's work on doctored photographs to show they've been tampered with. See, eg, this interesting transcript of his Nova appearance.
Steganography/image manipulation is an arms race but you'll keep the low end fake IDs out. At some point in the race master criminals are going to go for higher value targets than random apartments on AirBnB. And... problem solved.
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Indeed, if Nigerian 419 scammers have already picked up photoshopping IDs [1], you can imagine what a low barrier this will be. The real question is if you can verify the ID electronically from the image, and the answer will generally be no.
[1] http://www.419eater.com/html/hall_of_shame4.htm
You might be able to use Hany Farid's work on doctored photographs to show they've been tampered with. See, eg, this interesting transcript of his Nova appearance.
http://www.pbs.org/wgbh/nova/tech/hany-farid.html
Steganography/image manipulation is an arms race but you'll keep the low end fake IDs out. At some point in the race master criminals are going to go for higher value targets than random apartments on AirBnB. And... problem solved.