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like this energy expenditure is insane to mine one bitcoin . Its well over 20 barrels of oil

good info about crypto

Bitcoin's coin generating algorithm is outdated. They should have
adopted a alternative algorithm like PoS, or any other algorithm that doesn't consume so much energy.

Well it's a good thing that we live on a plane, and not a planet!

In times where poloniex and hitbtc disabled the withdraw of Steem / SBD and sites like bittrex disabled the account registration this is even more important than it was in the past :)