• Is POW sustainable given the political pressures to reduce energy usage? I don't think it's the real reason behind the China mining ban, as stated in the article, but the points made about Sweden etc. are worth thinking about. Will bitcoin ever be POS? https://www.theguardian.com/technology/2022/jan/30/how-do-we-solve-bitcoins-carbon-problem?CMP=Share_AndroidApp_Other 20 comments 31/1/2022 cryptocurrency

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