CTF Challenges made by me Directory DDCTF2018 DDCTF 2018 Reverse: 隠された真実を! (a.k.a. 被隐藏的真实, kakusareta_shinnjitsu_wo) DDCTF 2018 Web?: mini blockchain DDCTF 2018 MISC: complex stego *CTF2018 *ctf(starctf) 2018 WEB: Smart? Contract DDCTF2019 DDCTF 2019 Web: homebrew event loop DDCTF 2019 MISC: voice lock (a.k.a. 声纹锁) DDCTF 2019 Reverse: Obfuscating Macros *CTF2019 *ctf(starctf) 2019 MISC: homebrewEvtLoop-- and homebrewEvtLoop# *ctf(starctf) 2019 Reverse: Obfuscating Macros II