In this episode of the Business Tech Roundup, host James Haight interviews Stephan Tual from Ethereum. Ethereum is a new platform that is enabling ‘block chain’ technology, the underlying technological breakthrough of Bitcoin, to be applied to a wide variety of applications. James and Stephan discuss how platforms such as Ethereum may flip our current perceptions of security and privacy on its head. They discuss the current and future applications of block chain technologies and its implications on the future of business.