The Cost of Currency

Here is a climate change problem with cryptocurrency BitCoin.

Bitcoin’s energy usage is huge – we can’t afford to ignore it

BitCoin uses proof of work to make it trustworthy, not human work but machine work that uses a lot of electricity. Criminals are not spending their own money on the electricity but the money of millions of computer users whose computers have been infected by a computer virus that makes the computer do work for the remote criminals.

New Cryptocurrency Mining Bot Is Infesting Facebook Messenger

They win all, you lose!

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