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Great material, but it's been directly taken from the source material (http://cstheory.stackexchange.com/questions/19759/core-algor...) with no added content. I imagine Vijay (the author of the source material) put a lot of work into assembling this information. Vijay's CS Theory answer should replaced as the URL for this HN submission.

EDIT: Removed part of my comment, per the blog author's response below.

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All I wanted was to bring attention to Vijay's amazing answer in stackexchange. I disclaimed this by thanking him for the brilliant research on the first line of the blog post. Can anybody change the link of this HN submission to the original answer? Mods?

I didn't meant to blog spam, not sure why the submitter didn't link to the original content.

Those about to hurt themselves because this isn't yet another Bitcoin story might want to search that page for Merkle trees. They've been used in other P2P networks as far back as the heydays of 2002:

http://zgp.org/pipermail/p2p-hackers/2002-June/000621.html

Even earlier, check out details of Freenet and GNUnet.

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