Jim Huang, known as "jserv", is assistant professor at National Cheng Kung University in Taiwan where he teaches courses on operating system, compiler, and virtual machine. He served as technical advisor for Foxconn, Delta, and Mediatek.
Blockchain was viewed as the essential skill that changes humankind's digital life after the invention of the Internet. One of its application is proof-of-existence with the property of decentralization and irreversibility. The topic discusses how to build up the fundamental structure of proof-of-existence based on blockchain through mobile devices operating with many nodes and to apply it to digital certificate and identification.