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this post was submitted on 11 Feb 2024
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what if I meet Joe and take a selfie of both of us using my phone? how will people know that my selfie is an authentic Joe Biden?
That's the big question. How will we verify anything as real?
Ultimately, reputation based trust, combined with cryptographic keys is likely the best we can do. You (semi automatically) sign the photo, and upload it's stamp to a 3rd party. They can verify that they received the stamp from you, and at what time. That proves the image existed at that time, and that it's linked to your reputation. Anything more is just likely to leak, security wise.
Probably a signed comment from the Double-Cone Crusader himself, basically free PR so I don't see why he or any other president wouldn't at least have an intern give you a signed comment fist bump of acknowledgement