In the days when gold and silver coins circulated as the currency this was an obvious ways of resources. The anti-state libertarians who created Bitcoin as an electronic equivalent of anonymous cash have found a way of recreating this waste. Lots of electricity is required to “mine” ( their term) Bitcoin and it has now been calculated that so much is wasted for this purpose that it amounts to as much as is consumed in Argentina:
https://www.bbc.co.uk/news/technology-56012952