80% of Block Propagation Rate is Enough - Towards Secure and Efficient PoW-based Blockchain Consensus. - Daehwa Rayer Lee; Yunhee Jang; Hanbin Jang; Hyoungshick Kim (MobiSys, 2019)

Design and Evaluation of Enumeration Attacks on Package Tracking Systems. - Hanbin Jang; Woojoong Ji; Simon S. Woo; Hyoungshick Kim (ACISP, 2020)

I've Got Your Packages: Harvesting Customers' Delivery Order Information using Package Tracking Number Enumeration Attacks. - Simon S. Woo; Hanbin Jang; Woojung Ji; Hyoungshick Kim (WWW, 2020)