The #Ethereum #blockchain switching to #ProofOfStake is becoming a closer reality.
https://www.coindesk.com/ethereum-seeing-ghosts-vitalik-buterin-is-finally-formalizing-ethereums-casper-upgrade/
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Some interesting discussion on #ProofOfStake for #Ethereum in the comments here — Serenity PoC2 – Ethereum Blog https://blog.ethereum.org/2016/03/05/serenity-poc2/