there is no fundamental reason cryptocurrency "mining" should be energy-intensive, it was & is merely an unnecessary side-effect of the first cryptocurrency (Bi

there is no fundamental reason cryptocurrency "mining" should be energy-intensive, it was & is merely an unnecessary side-effect of the first cryptocurrency (Bitcoin) and its spin-off's / copycats. Sadly a large fraction of the crypto proponent "community" misinterprets the unnecessary energy expenditure as the source of "value", while the majority of the crypto opponents similarily consider it an unavoidable side-effect of cryptocurrencies and hence an argument against cryptocurrencies in general... check out the Algorand papers to learn more