Michael J. Casey is the chairman of CoinDesk’s advisory board and a senior advisor for blockchain research at MIT’s Digital Currency Initiative.
The following article originally appeared in CoinDesk Weekly, a custom-curated newsletter delivered every Sunday exclusively to our subscribers. ___________
With last week’s Constantinople delay offering a reminder that ethereum faces challenges in its long roadmap to migrate from a proof-of-work (POW) consensus algorithm to proof-of-stake (POS), it’s easy to miss the fact that elsewhere in crypto-land, POS is already a thing.
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