Mary Ann Callahan

United States 

As an expert on Bitcoin-related topics, I've found myself as a Journalist at - cryptocurrency exchange. I'm working on articles related to blockchain security, bitcoin purchase guides or bitcoin regulations in different countries.

a geek since Mar 2017


10 ways how blockchain will change your life

Starting to gain traction in the mainstream, this technology has a lot of far-reaching potential
Mar 29, 2017