Announcements

CryptoCTF 2025 postponed! 2025-Jun-14 01:00:00

Due to the brutal attack by the Zionist regime on Iran, we are forced to postpone the CryptoCTF. New date TBD.

#Death_to_the_aggressor

7th Crypto CTF 2025 website 2025-May-25 03:07:47

The 7th Crypto CTF website is now online. The countdown timer shows the remaining time to 6th Crypto CTF 2025. There are some links to access News, FAQ, etc. You can see Crypto CTF archives for 2024, 2023, 2022, 2021, 2020, and 2019 too at {2024,2023,2022,2021,2020,2019}.cr.yp.toc.tf. Have fun!

Crypto CTF registration is now open! 2025-May-25 03:07:47

Registration is open now, please go to the registration page. If you have any problem with the registration process, feel free to contact us. Note that anyone can register freely.