Alexander Leishman is Founder, CEO & CTO at River Financial. River Financial (formerly Alto Financial) empowers people to build their Bitcoin wealth. Buy, sell, and save your Bitcoin with River. I am an engineer who is passionate about Bitcoin. I'm also very interested in history, economics and love to travel. Currently building River Financial . In the past I've helped build Maicoin and Freewill . I'm also the author of the Kraken Ruby gem and have done some work on BLS signatures. I used to help keep Airbnb secure.