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
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.