Project Sekai CTF

@ProjectSEKAIctf

Project SEKAI, yet another CTF team. Recruiting: shorturl.at/JNU78 Sponsorship & Partnership: [email protected]

sekai.team

Joined February 2022

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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!
2
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-… (1/4)
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,...
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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-…
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!
1
Project Sekai CTF
@ProjectSEKAIctf
Jun 28
24 hours into #SekaiCTF 2026. A few challenges remain unsolved, come and pwn them at ctf.sekai.team :)