CTF writeups 2018 2018.09.28 THUCTF 2018(3rd place / 39 teams) 2019.01.27 Codegate CTF 2019 Preliminary 2021.08.15 InCTF 2021(4th place / 604 teams) 2022.11.25 HITCON CTF 2022(111st place) 2022.11.26 GlacierCTF 2022(19th place)