Input Output (IOHK) | 73,970 followers on LinkedIn. One of the world's pre-eminent blockchain infrastructure research and engineering companies. | Founded in 2015, IOHK is one of the world’s pre-eminent blockchain research and engineering companies, best known for the Cardano blockchain platform We are a fully decentralized, remote-working organization committed to the highest principles of academic rigour and evidence-based software development. The company builds high-assurance blockchain products for public and private sector clients. Our goal is simple – to fuel our drive to be best in class by giving you the opportunity, resources and support to deliver your finest work to date.