Format Online paper / PDF
Location PART 2 - FOUR HIDDEN CHIMNEYS CHAPTER 10: BUILDING-BLOCK REALITY True Neutral

"Bitcoin’s proof-of-work drew directly on Adam Back’s Hashcash."

Bitcoin's paper explicitly describes its proof-of-work system as similar to Adam Back's Hashcash and explains that the work is costly to produce but cheap to verify.

View Source
Source title Bitcoin: A Peer-to-Peer Electronic Cash System
Source authors Satoshi Nakamoto
Source year 2008
Confidence high
Importance mid
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