Lloyd Blankfein, chairman of the board of one of the largest investment banks in the world - Goldman Sachs - said that although he is not very comfortable with bitcoin, in general he is open to cryptocurrency. At the Goldman Sachs Sustainable Finance Innovation Forum held in New York, the bank's head said that he felt "some discomfort" with respect to bitcoin, as well as with regard to everything new. So he answered the question about the attitude to bitcoin futures offered by the CME Group, a new exchange operator.