In which of these situations could secure timestamping be useful? Assume that there is no way to prove that you didn’t timestamp multiple values
| Proving possession of a document at a specific time | Correct |
| Proving that you can predict the winner of the 2016 US presidential election | Wrong |
| Securely saving a document at a specific time | Wrong |
| Proving that you don't know something at a specific time | Wrong |
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