Certainly, it can help the developing economies in a number of ways. It increases the income of people through investment an thus they will pay more tax to the government.
I think bitcoin has really become the best choice for the citizens and it has been very helpful to many of them. Goldman sach is perfect!
Zimbabwe is an excellent case study and for those who really know about the economy of this country, they will know how annoying it is a very long time that keeps their currency over eliminated and with government policies and all that limited people from being able to do international transactions