32 sats \ 1 reply \ @satoshian 1 Aug freebie \ on: Happy Birthday Hashcash: Proof of Work Applied To Emails bitcoin
Hashcash laid the foundation for SHA256.
PoW!
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72 sats \ 0 replies \ @SpaceHodler 1 Aug
What do you mean? SHA256 is just a hash function. There are many hash functions PoW could use and be equally good.
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