Key safety vs Backup : History of a bad day (key-restoration problem)

Robert J. Hansen rjh at
Thu Nov 1 01:26:15 CET 2007

> Does anyone see a good use case (aside from the cool-trick
> factor) to using secret sharing in paperkey?

Yes.  E.g., I may wish to give shares to my best friend and my cousin.
This way, even if their homes and/or offices are broken into, or one of
them misplaces/loses their share, I don't need to worry about where that
copy is: I just have the other person burn their share and issue two

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