Interested in Bitcoin since 2012 and soon after that he started trading on various crypto currency exchanges. Marius grew into trading cryptocurrencies on a daily basis in early 2013. Mostly market making and arbitrage. In the early days he was responsible of a decent amount of the total bitcoin trading volume worldwide. As an experienced (ex-)crypto trader Marius was closely involved in the development of the Deribit platform. Together with John he founded Deribit in 2016.