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A comment on Purelymail – cheap, no-nonsense email. Parent comment

Re:Purelymail – cheap, no-nonsense email by homero on Friday July 02, 2021 @02:09AM (#27708284)
How are you doing that trial proof of work?
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Re:Purelymail – cheap, no-nonsense email by Felz on Friday July 02, 2021 @02:15AM (#27708318)
Hash-based proof of work: https://github.com/ScottPeterJohnson/hashwall

Same idea as: https://en.wikipedia.org/wiki/Hashcash

Similar idea to cryptocurrencies.

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