this post was submitted on 19 Sep 2023
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How exactly does that prevent someone from uploading a fake video?
It won't, you'll just be able to verify a source
Not even that. It only allows you to verify that the source is identical to (the potentially wrong information) that was claimed at the time of recording by the person adding that information to the block chain. Blockchain, as usual, adds nothing here.
It proves that the video could not have been created at a later time.