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RE: Before Bitcoin - Standing on the Shoulders of Giants
Fascinating! I had read about the history of payments and how we went from barter to metal coins to IOUs to cash to checks to credit cards to epay... but I had never head this story. Thanks for sharing! Super cool!
Yea, found someone talking about hashcash somewhere on steemit. Found out that I didn't know anything about hashcash, so I decided to do a little digging. Figured I'd share what the rabbit hole uncovered.