Many blockchain discussions tend to be transactionally focused—on the buyer, the seller, the coin issuer, the token offeror, the promotor, the trading platform and the parties to the smart contract. But what about the unsung players in the blockchain world—the miners and validators who keep the blockchain infrastructure functioning? Who are they, what do they do, and what legal issues might they face? Miners and their legal issues increasingly seem to attract more interest and attention than one might expect.