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Re:China says it wants to eliminate Bitcoin mining by paulsutter on Tuesday April 09, 2019 @02:18AM (#19612250)
Bitcoin transactions don’t use a material amount of energy: no matter how many miners the transaction capacity is fixed. Energy use just increases as miners compete for the block reward.
Re:China says it wants to eliminate Bitcoin mining by YjSe2GMQ on Tuesday April 09, 2019 @02:21AM (#19612262)
World adoption -> increase in BTC/USD value (lambos!) -> USD block reward increase -> more GWs spent mining.

It's not linear at every stage (for example, more USD per block reward will reboot Bitmain to produce even more efficient miners, which will eat up some of the rewards) but it's close enough to be concerned.