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That doesn't work for adversarial recordings. No one will sign an embarrassing or damning video of themselves, and those are the cases where authenticity is t
by cwkoss 6y ago
That doesn't work for adversarial recordings. No one will sign an embarrassing or damning video of themselves, and those are the cases where authenticity is the most important.
Your solution is technologically cool, but I think the current system of "was this published by a domain controlled by the office of the press secretary" is probably accomplishing this case well enough.
- greiskul 6y agoFor adversarial recordings, I wonder if we could have a camera that instantly uploads a timestamp and hash of each video taken to a blockchain. This way, we could have videos that we know for a fact were recorded at the latest at a certain time. It would still be vulnerable for a fake video to be post dated, but never pre dated.
- jimmydorry 6y agoDoesn't stop the adversary from simply timestamping, and uploading their fraudulent video's hash to that blockchain.