# SekaiCTF 2025

Link: [https://2025.ctf.sekai.team/](<https://2025.ctf.sekai.team/>)

CTFTime: [https://ctftime.org/event/2683](<https://ctftime.org/event/2683>)

Official writeup: [https://github.com/project-sekai-ctf/sekaictf-2025](<https://github.com/project-sekai-ctf/sekaictf-2025>)

Result: 39 Points, 783rd Place

Solved Challenges:

- [Sanity Check](<https://jia.je/ctf-writeups/2025-08-16-sekaictf2025/sanity-check.html>)

Not solved challenges, but worth a writeup:

- [My Flask App](<https://jia.je/ctf-writeups/2025-08-16-sekaictf2025/my-flask-app.html>)
- [SSSS](<https://jia.je/ctf-writeups/2025-08-16-sekaictf2025/ssss.html>)