Iran has been clamping down on mining farms, but it also wants to use crypto mining to boost the sanctioned nation's revenue stream. Iran is trying to make crypto mining a source of income for the state, while cracking down on miners. Iran, hit hard by international sanctions, lost revenue supplied by oil exports. Crypto might be a way to get some extra cash, so Iran has been toughening its grip on miners at home in an effort to better control this revenue stream. Since last year, Iran has also opened new opportunities for foreign mining firms. Iran is a...