2023
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SekaiCTF 2023: A Hackable Unity Implementation of Project Sekai's Gacha System
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AmateursCTF 2023: Chinese Remainder Theorem, Carnival Games and 2048-bit Integers
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WolvCTF 2023: Hunting Down a Flag-Stealing Ransomware Group with OSINT
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MHSCTF 2023: Edmonds’ Blossom Algorithm for Maximum Weighted Matching
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idekCTF 2022: “No Moving, Panning, or Zooming”, a GeoGuessr-style OSINT Challenge
2022
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SekaiCTF 2022: Forensics Writeup Compilation
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Hacky Holidays 2022: “Port Authority”, a WebSocket Strategy Game
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PicoCTF 2022: Beginner's Writeup Compilation
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PicoCTF 2022: Buffer Overflow Series
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BYUCTF 2022: OSINT Writeup Compilation