Can you imagine ethereum mining using solar system? If not, then watch this youtube video https://www.youtube.com/watch?v=D7WOzd-PgX0 He set up 10 KW solar system on his roof top to mine ethereum coin. Not only that, this solar system also generate electricity for his home. I think time will come when most cryptocurrency miners will set up solar system to mine crypto token. All home products from lights to fan are now available in solar version. Most people are still not aware of these things. [This screenshot is taken from the above video]