One of my latest discoveries with pretty advanced concept is Monetorb, heard of the guys already? Monet Platform is an Ethereum-based blockchain platform regulated by smart contracts and made up of 4 essential components. The platform supports the global mobile healthcare community by building and creating solutions devoted to improving the quality of selfmanaged healthcare across the globe. The blockchain technology, fundamentally a distributed 3 database, gives the platform the power to address the challenges faced by the mobile healthcare industry. And I recommend you to have a closer look at the guys' website to get a deeper understanding on what they are offering