This webinar showcases Umbra, an emulation tool for Hyperledger blockchains. It will introduce Umbra, familiarize users with installing Umbra and getting their first Fabric network up and running and doing simple examinations of the network layout and packet flows and some simple debugging to confirm that the network is running. Umbra helps understanding Fabric, to examine the running system and give its users the ability to observe Fabric doing what it does. Discussing the Umbra related Hyperledger internship projects 2020, the webinar will explain how Umbra can realize network fuzzing features and scale to multiple servers.