ConsenSys is a large blockchain company headquartered in New York City with a global presence in over 30 countries. It was founded in 2015 by Joseph Lubin, whose early work included the development of the Ethereum network and the Ethereum Foundation. It is a decentralized blockchain production studio with more than 500 employees that primarily develops software and related solutions for the Ethereum blockchain ecosystem. The company also provides enterprise and government consulting, as well as software development services for large companies across the world.