As a random user, this is what I would like: When I watch a video-clip of, let's say a press-conference, it would be nice to have a way to verify that the vide

As a random user, this is what I would like: When I watch a video-clip of, let's say a press-conference, it would be nice to have a way to verify that the video-clip is indeed the one recorded by whatever journalist was at the press-conference. It's not about camera hardware, it's about making it easy to check if the video someone is presenting to me is what they claim it is.