Yang Seungwon

Theori

Intern • Jun 2022 — Sep 2022

• Performed web3 security audit

POSTECH OT arrangement committee

Developer • Dec 2021 — Feb 2022

• Developed a browser game
• Deployed through Docker on AWS

POSTECH Online Hacking & Security Camp

Mentor • Jun 2020 — Feb 2022

• Developed a web hacking attack-and-defense platform
• Organized beginner's courses on web hacking
• Taught high school students the basics of hacking and security

Sellerhub

Outsourcing • Nov 2020 — Dec 2020

• Performed security audit

POSTECH

Bachelor of Computer Science and Engineering • Feb 2019 — Present

Payment System using Blockchain

Backend Developer • Apr 2020 — Dec 2020

This project suggested a blockchain-based payment system. I developed an ICON smart contract and a corresponding backend service.

Web hacking

I have several years of experience participating in various CTFs.

Web3.0

I have an understanding of how smart contracts and applications like DeFi work.

Developing softwares

Python / Javascript / Typescript

2022 zer0pts CTF

PLUS • 5th

2021 Balsn CTF

PLUS • 10th

2020 Balsn CTF

PLUS • 8th

2020 DEF CON CTF

koreanbadass • finalist

2020 UIUCTF

PLUS • 6th

2020 CODEGATE(univ.)

MINUS • finalist

PLUS

Hacker • 2019 — Present

As a member of PLUS, have studied various sections of hacking; especially web hacking and web3.0. Please refer to Hackmd and CTFtime.