Project Sekai CTF

@ProjectSEKAIctf

Project SEKAI, yet another CTF team.
Recruiting: shorturl.at/JNU78
Sponsorship & Partnership: pjskctf@gmail.com

sekai.team Joined February 2022

110 Following 7.5K Followers 466 Posts

Latest posts 5

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Project Sekai CTF @ProjectSEKAIctf Jun 29

SekaiCTF 2026 is officially over! Thank you to all participants this year, and congratulations to our winners:

🥇 @TeamH4C__
🥈 @w4llz_Team
🥉 AAAA
🏆 F1ux
🏆 Cow Pig

Once again, thanks everyone for playing!

Project Sekai CTF @ProjectSEKAIctf Oct 2

We finished 4th at the SCAN CTF 2026 Finals. Big thanks to the organizers for hosting and to all the teams for a great competition. Had a blast competing in Seoul!

#SCAN2026 #SCAN #KBW

Project Sekai CTF @ProjectSEKAIctf Jul 10

🧵We would like to announce the writeup competition winners:

[+] Cash Prize Winners:
- .sestoelemento: Blockchain – Open World pnasis.gitlab.io/posts/sekaictf…
- kiinzu: Blockchain – PP Farming (1 & 2) kiinzu.io/blog/sekaictf-…

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pnasis.gitlab.io SekaiCTF 2026 - Blockchain Writeups (Part 3): Open World Introduction This post continues my SekaiCTF 2026 writeup series with the third and final blockchain challenge I solved during the competition, titled Open World. Unlike the previous two challenges,...

Project Sekai CTF @ProjectSEKAIctf Jul 1

Thanks to @AnthropicAI for keeping the promise!

Project Sekai CTF @ProjectSEKAIctf Jun 13

Did this work? CTF saving humanity

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Project Sekai CTF @ProjectSEKAIctf Jun 30

Running a CTF for thousands of players without things falling over is no small feat. @es3n1n wrote up exactly how we did it: sekai.team/blog/sekaictf-…

sekai.team SekaiCTF 2026 – Infra Writeup My beautiful kubernetes infrastructure

Project Sekai CTF @ProjectSEKAIctf Jun 29

SekaiCTF 2026 is officially over! Thank you to all participants this year, and congratulations to our winners:

🥇 @TeamH4C__
🥈 @w4llz_Team
🥉 AAAA
🏆 F1ux
🏆 Cow Pig

Once again, thanks everyone for playing!

View quoted post on X