Elon Musk appeared to show renewed support for cryptocurrencies on Saturday, and the so-called Dogefather's boost may have helped stabilize a precipitous drop in Bitcoin's value. When someone asked what the Tesla CEO thought about people 'who are angry at you because of crypto,' Musk tweeted that the 'true battle is between fiat & crypto. After Musk's post Bitcoin's price rose slightly to $38,150 before easing to $37,600 late on Saturday night. 'Bitcoin hashing (aka mining) energy usage is starting to exceed that of medium-sized countries. Musk was a cryptocurrency champion but earlier this month tanked the price by expressing concern about good it was for the environment.