Cointweets

$ETH Background
Before bitcoin, several digital cash technologies were released, starting with David Chaum's ecash in the 1980s.[11] The idea that solutions to computational puzzles could have some value was first proposed by cryptographers Cynthia Dwork and Moni Naor in 1992.[11] The concept was independently rediscovered by Adam Back who developed Hashcash, a proof-of-work scheme for spam...   Bullish
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