While I agree with you on the last two points, this article from september last year[1], referencing this piece from the NYT[2], says that Bitcoin alone used 0.

While I agree with you on the last two points, this article from september last year[1], referencing this piece from the NYT[2], says that Bitcoin alone used 0.5% of the global energy used. 0.5% of the global energy consumption is an enourmous amount of energy, for one coin. Even if it is only 1% in total, for all cryptocurrencies - 1/100 of the yearly energy used by the whole planet is a gigantic amount of energy, isn't it? [1] https://www.businessinsider.com/bitcoin-mining-electricity-usage-more-than-google-2021-9 https://www.businessinsider.com/bitcoin-mining-electricity-u... [2] https://www.nytimes.com/interactive/2021/09/03/climate/bitcoin-carbon-footprint-electricity.html https://www.nytimes.com/interactive/2021/09/03/climate/bitco...