Happy to announce that our paper "Lay Down the Common Metrics: Evaluating Proof-of-Work Consensus Protocols' Security" is accepted at @IEEESSP (Oakland)! Thx @hashdag @socrates1024 @pwuille @adam3us for the discussion! Paper: https://www.esat.kuleuven.be/cosic/publications/article-3005.pdf … talk:https://www.youtube.com/watch?v=HiIQcdnKZBQ&feature=youtu.be …
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I'm not part of the /r/btc/BU crowd either. I use it to refer to anonymous, probabilistic, and Sybil-resistant consensus, which first appeared in Bitcoin and is a fundamental computer science breakthrough vs. traditional identity-assuming & Sybil-vulnerable Byzantine consensus.
Traditional Byzantine consensus assumes that nodes are uniquely identifiable & thus countable. This is fine if the goal is reliability, not security & nodes are part of a fixed architecture, as with chips on an airplane.
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The unique-and-countable node assumption seriously breaks when the goal is security among nodes on a public network, which is why Nakamoto consensus was such a huge advance in computer science.
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