Paris, October 22nd 2020 . EDF Group, through its subsidiary company Exaion, becomes the first French corporate to participate in the Tezos ecosystem as a corporate baker. Exaion, EDF group. Exaion, EDF group subsidiary, becomes a Tezos baker... Created in January 2020 by EDF, Exaion is a start-up specializing in blockchain solutions and high-performance cloud computing.