this post was submitted on 04 Feb 2025
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This is scary indeed. We may someday soon need something like an active tattoo on our face, or a badge on clothing, with a pattern that changes each second based on a private/public key pair, so videos can't be easily faked of our own likeness with a valid visual signature.
That could actually work -- a QR code that updates at regular intervals, encoding an ever-changing signature. It could be validated to certify the video of a person was genuine.
Of course that would also mean any authenticated video can never be truly anonymous :(
With modern face recognition, having your face in a video already deanonymizes you so there is no further deanonymization caused by authenticating your video cryptographically.
If you want anonymity then don't include your face (or signature) in the video.
If you want attestation that a video is real and not generated then anyone who witnessed the scene depicted can sign the video to attest to it. Then we would need a web of trust to determine whose signatures are trustworthy.
Duh, good point :)
Web of trust -- it's always been so hard to make easy enough to use for the non-technical public, sadly... but yeah that might be the only/best way to really give attestation.
That's brilliant. Any sci-fi authors in the crowd? The private key would be used to hash and sign a record of body movements including all one's crazy hand gestures and every word spoken. Location could optionally be encoded as well. Some kind of algorithm would be devised so that some reasonable loss in fidelity of any video recording would still result in a valid signature. It wouldn't be technically all that useful to display the signature as a QR code shown on a badge, but it'd be a fashionable thing to do and anyone who didn't would be seen as slightly suspicious.
Key infrastructure would be tricky, but anonymous and pseudonymous keypairs could certainly be allowed for if we go with the assumption that instant biometric identification of everyone isn't quite feasible for whatever reason. Maybe it's just banned, punishable by exile to the orbital asteroid mining colonies.
All we need is for everyone (except the underclass) to get neural implants that record their every movement.
Can we start with Sam Altman please? Hah.
I was amazed at first with ChatGPT, outpainting, and the early stuff; it was fun making 'paintings' and playing with other imagery, but the main uses are taking such a dark turn I really think we're going to regret this technology's existence.