🌐 SekaiCTF

SekaiCTF returns for its fifth edition! A battle between human and AI. Categories include Web, Reverse, Pwn, Cryptography, Misc, Blockchain, and Game.

SekaiCTF 2026 will serve as the 11th XCTF Finals pre-qualifier.

Discord: https://discord.gg/6gk7jhCgGX

Sponsors ・Zellic (https://www.zellic.io/) ・OtterSec (https://osec.io/) ・Trail of Bits (https://www.trailofbits.com/) ・Vector 35 / Binary Ninja (https://binary.ninja/)

Partners ・Google Cloud (https://cloud.google.com/) ・XCTF League