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This doesn't prove you did the thing right before publishing the hash, it could be an old video. It depends if you want to prove something happened before or af
by jobigoud 6y ago
This doesn't prove you did the thing right before publishing the hash, it could be an old video. It depends if you want to prove something happened before or after something else.
- remram 6y agoFor that you use the other trick OP already knows to prove a lower bound, e.g. showing a newspaper or announcing a recent blockchain hash in the video (or include it in the other hash's computation).