I think it would have to work through the camera industry to be effective, so the sensor actually includes signatures with the image data. Otherwise all of the

I think it would have to work through the camera industry to be effective, so the sensor actually includes signatures with the image data. Otherwise all of the 'hot mic' moments are going to be left unaddressed. Image formats could be updated with an 'original' layer so that if the news site wanted to crop or edit the content, the original would still be avaliable for comparison. Given all of the hardware design going into high speed hashing on asic, shouldn't be that hard to find a component to do the work.