Key quotes:
* “Bitcoin mining—the process of creating new bitcoins and updating the digital ledger that tracks transactions—consumes vast amounts of computing power and electricity.”
* “Making a fundamental but feasible change in how blocks are created could all but eliminate the power drain of cryptocurrencies. While the change may not be universally adopted, the idea has promise. Bitcoin rival Ethereum—the second-largest cryptocurrency by market capitalization—plans to go in this direction.
* “Ethereum’s move to proof of stake is a big deal. If successful, the move could encourage others to follow, reducing crypto’s carbon footprint.
Link of IMF article [here](https://www.imf.org/external/pubs/ft/fandd/2021/09/how-to-make-cryptocurrencies-cleaner-and-greener.htm).
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