It's accessible to anybody anyplace, so in that way it's open. Then again, whatever is given by the administration gratis is thought to be open. So a government funded training is a state-supported instruction, while a private one is the one you need to pay for. BTC isn't free, you need to pay or work for it, so it might be viewed as private, albeit at first it was offered nearly for nothing (or truly for nothing by means of giveaways and fixtures). It's really not that simple to go to an accord here.