Louis Tsai

BackgroundThere were numerous attack incidents back in 2021 and 2022, resulting in significant losses. Upon closer examination, some of these exploits revealed a substantial time delay between the ...

0x00. IntroductionHi, this is my second article for the BlazCTF 2024 challenge writeup, and today I will breakdown the Tutori4l challenge. It is under Solidity and DeFi category and related to Unis...

0x00. IntroductionThis is the first article for the BlazCTF 2024 challenge writeup. The challenge is titled Cyber Cartel, under the Solidity category. During the competition, 35 teams solved this c...

0x00. SummaryOn April 15, 2024, Chainge Finance experienced a significant fund migration (~362K) due to arbitrary calls in the core function. Shortly after that, the officials claim it is a system ...

0x00. SummaryOn April 25, 2024, NGFS Token suffered a substantial loss (~190K USD) shortly after the contract was deployed (it was deployed ~2 days ago). The primary reason for this was the inadequ...

0x00. IntroductionAs part of the Web3 CTF Intensive Co-learning with DeFiHackLabs, I solved multiple CTF challenges, including those from Paradigm CTF, BlazCTF, and more. In this post, I’ll share m...