Mining centralization is the biggest issue facing PoW, but make no mistake, PoW is the best we've got and was a real innovation- in terms of offering real benefits over traditional BFT systems. PoS, otoh, is *not* an innovation & has 10x worse problems. https://medium.com/@hugonguyen/proof-of-stake-the-wrong-engineering-mindset-15e641ab65a2 …https://twitter.com/TusharJain_/status/995742468086870016 …
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It's worth looking. They solve BFT without PoW or PoS.
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I just took a look at it. The main criticism about it is that there are no incentives to keep validators honest. For it to work, they assume that 2/3rd of randomly selected validators will be honest...it's another IOTA.
End of conversation
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