It is a major test each drop in value how we are going o handle and continue trusting that we could increase great benefit. It progress toward becoming test to us how we go for broke for additional, bitcoin is half down now than from the year's end and we don't know when we can get on that best once more. We need to contribute not for greater instability in cost but rather on how we can change and make stable cost in the market that turn into a begin to expanded the cost once more.