[webwielder2]

Is there a technology we might use someday to prove the provenance of digital media? Like every video and photo has a blockchain entry or something. And any time there’s a modification, that gets recorded too. So in the future we might right click any random video and see its file history.

[zokier]

There has been attempts but they have fared poorly: https://petapixel.com/2011/04/28/nikon-image-authentication-...

[JackC]

There's an attempt happening here: https://contentauthenticity.org/