NFTs could verify authentic videos by tracking their original sources.
In a world of deepfake abundance, verified accounts alone will not be sufficient to instill trust. One proposition to combat deepfakes points to the usage of NFTs. If everyone encrypted their videos as NFTs, it would be easy to find and compare different sources of the same moment. This transparency mechanism would help establish which version of a video is authentic by creating a verifiable chain of custody. Social media companies created verified accounts as one trust mechanism, but new technologies like NFTs may be needed as the deepfake threat grows.
— Deepfakes - The Danger Of Artificial Intelligence That We Will Learn To Manage Better · Forbes