Dels på att bryta den själv, dels på att ta en transaktions avgift.
https://seekingalpha.com/article/442944 ... ies-untold
The opportunity lies in Tesla launching its own cryptocurrency (after pre-mining it a bit…). If this happens:
Tesla will make money out of thin air. $5 billion. $10 billion. It depends on how high the Teslacoin market cap goes, on how much Tesla pre-mines, and if the protocol includes a way for Tesla to get a slice of ongoing transactions using its cryptocurrency.