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 Wrong. Bitcoin was an iteration of earlier ideas and projects that actually existed but didn't make it. 
 hashcash, eCash, digicash etc 
 Yes,  #Bitcoin was 40 years in the making and pulled from many things.. to me, #Bitcoin is the only real money that ever existed. Therefore everything else should be categorized as fake that came before it.  Not real. 
 Proof of work is why #Bitcoin is #Bitcoin.  If it doesn’t have proof of work.  It doesn’t exist.  Nothing existed before #Bitcoin as far as I’m concerned.