Jollen Chen is the lead software developer and founder of Flowchain.co, the open source based IoT blockchain solutions. Prior to joining Flowchain.co, Jollen has been working on embedded software development and cloud APIs development for several years. His research interests are the Distributed Ledger Technology (DLT) and IoT data security. Jollen holds a Master's degree in Manufacturing Information and Systems from the National Cheng Kung University, Taiwan. You can find him online at jollen.org