Just seen the same article on BBC, saying that all we need is a simple change hahahahahahahahahahahahahaha

"All of these machines combined are generating 500 quintillion guesses every second of the day, non stop - that is 500 with 18 zeros behind it.

This method is known as "proof of work". But a change to the way Bitcoin works could cut the electricity use and hence water consumption dramatically.

The major cryptocurrency Ethereum did this in Sep 2022, moving to a system called "proof of stake", reducing its power-use by more than 99% in the process."