This sort of thing is going to become very important for photos and videos. Being able to prove that an original earlier unaltered version of a video exists wi

This sort of thing is going to become very important for photos and videos. Being able to prove that an original earlier unaltered version of a video exists will allow us to reject AI-altered fake videos. Indeed, once it becomes commonplace, videos that do not have a blockchain record recorded close to creation time will be suspect. The less time an AI has to alter a video, the less likely alteration is.