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They use Bitcoin to save hashes of the webpages in case they need to prove that they saved a page on a particular date (though I don't see how they could prove
by post-it 5y ago
They use Bitcoin to save hashes of the webpages in case they need to prove that they saved a page on a particular date (though I don't see how they could prove that the page they saved is the page that was actually online). That's a pretty sensible use of what are essentially NFTs.