Diary of a rail fan in Kansai,Japan(Ver.2)

About world's rail news, general news, my train pictures, and travel diary)

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List of my travel diary My train photoes The other contents

Why is cryptcurrency dirty?

Bitcoin is getting even dirtier
https://edition.cnn.com/2022/02/26/investing/bitcoin-mining-renewable-energy/index.html

I thought it would be about the ways to earn money by transaction of cryptcurrency. But, the fact is the carbon emission by electricity consumed during digging it.
The time when we have to decide criteria between money game and environment protection is coming.