Input Output

Input Output Group (IOG, formerly IOHK) is a blockchain research and engineering company founded in 2015 by Charles Hoskinson, best known for developing the Cardano blockchain platform and projects like Midnight. It focuses on advancing scalable, secure blockchain technologies rooted in peer-reviewed science for real-world adoption and sustainable Web3 ecosystems. The company operates as a venture studio with a distributed workforce across more than 60 countries.