I am afraid there is no other role except to make money until now. We see many new projects launch, and their purposes behind the project are collecting money and get that money. Until we can see the implementation for the cryptocurrency has already happened in everywhere, then each coin can give the real benefits to the people. But bitcoin gives a proves in some country, and you can see that there are ATMs installed in that country so people can use the machine. Besides that, we can use bitcoin as another payment system by using the third party, so we don't need to confuse about converting from fiat to bitcoin because they already calculate the converting.