fewer than a quarter of the mostly graduate engineering students who applied got into the class jillian chusn't one of the students in the class, but she is a member of blockchain at berkeley >> there's definitely a lot of people out there who want to learn more about this space. >> reporter: it's a student club, but this is no hobbyist group. >> there's a lot of really promising ideas out there. >> reporter: there's a three-round application just to get into the club. only 4% got in during the last application window, and students work on projects for fortune 500 companies like airbus and qualcomm. >> part of the culture is that we expect nothing but the best from all of our members. and so, i think that really reflects on our work. >> reporter: one group of students in the club even started their own hedge fund, raising $20 million. still, most students we talked to say they're learning about cryptocurrencies in college to make the world better, not to make money. >> i'm more motivated by building something that will actually change the world. >> reporter: and other college campuses are s