IEEE International Conference on Blockchain and Cryptocurrency (ICBC ’19) 작성일자 2019년 02월 13일2020년 03월 04일 글쓴이 MMLAB Kyle Park, Kideok Cho, Dookyoon Han, Ted ‘Taekyoung’ Kwon, and Sangheon Pack, ‘Proof of Delivery in a Trustless Network,’ to appear in Proc. IEEE International Conference on Blockchain and Cryptocurrency (ICBC), Seoul, Korea, May 2019.