https://ehdus.kr vulnerability research · audit notes · ctf writeups en https://ehdus.kr/blog/1-mvoementctf https://ehdus.kr/blog/1-mvoementctf This post contains a writeup and solutions for the Movement CTF held in 2022. Recently, I found an interesting bug hunting target deployed on the Aptos chain, so I started looking for Aptos smart contract wargames. I discovered this fun CTF from 2022 and decided to solve the challenges myself. Thu, 24 Jul 2025 00:00:00 GMT https://ehdus.kr/blog/3-ethernaut1 https://ehdus.kr/blog/3-ethernaut1 In this article, I aim to introduce the major vulnerabilities that can occur in smart contracts, as discovered through completing the Ethernaut wargame created by OpenZeppelin. Please note that this article is not a write-up of the Ethernaut challenges but an academic exploration of security vulnerabilities in smart contracts. Mon, 10 Jun 2024 00:00:00 GMT https://ehdus.kr/blog/2-ethernaut2 https://ehdus.kr/blog/2-ethernaut2 Please note that this article is Part 2 of this article. Mon, 10 Jun 2024 00:00:00 GMT