정한결 | playteddypicker#

Profiles#

Education#

Sogang University

B.S. in Computer Science & Mathematics (Transfer) 2022.03 – Present

Seoul National University of Science and Technology

B.S. in Computer Science (Transferred Out) 2021.03 – 2022.02

Expererience#

CTF Team, RubiyaLab

2025.01 - Present
Expeditions Team Lead (Focus on Major CTFs)

KITRI Best of Best, 14th

2025.07 - 2025.12

POSTECH-KAIST Science War 2025 - Hacking

2025.07 - 2025.09, operator, RubiyaLab & HSpace

Major CTF Awards#

Defcamp CTF 2025 Final

11th, 2025.11.13, with Team RubiyaLab Expeditions

LG U+ Security Hackathon 2025

1st, 2025.10.24, with Team 수상하면 윤다현, 권율이랑 미팅.큰일났다

DEF CON 33 CTF Final

10th, 2025.08.11 with Team Cold Fusion

Codegate CTF 2025 Final

11th, 2025.07.10 with Team RubiyaLab

Projects#

Justina - CTF Helper bot for RubiyaLab

2025 - presents
Running on RubiyaLab Discord Server for CTF Helper.
Tech spec : TypeScript, discord.js

scenebot_rs - Simple Discord emoji bot

2022 - presents
Simple Discord Emoji Magnification bot.
Tech spec : Rust, serenity-rs

playteddypicker

/

scenebot_rust

Waiting for api.github.com...

00K

0K

0K

Waiting...

Interests#

• ❤️ drawing things | must practice everyday
• Astral Party | Honkai : Star Rail | Limbus Company