Challenge Nabat updated! 2024-Jun-09 01:26:06

Note: The challenge SageMath script is updated, please redownload it.

Duzly task updated! 2024-Jun-09 08:47:43

Please redownload the attachment in Duzly task.

Challenge Imen updated! 2024-Jun-09 08:40:14

Note: There is tiny modification on imen.sage, please redownload it!

Challenge Soufia updated! 2024-Jun-09 04:58:52

There is a tiny modification on Soufia challenge!

Challenge Rehawk updated! 2024-Jun-08 05:44:09

Please download again the files in Rehawk.

Challenge Solmaz updated! 2024-Jun-07 10:20:34

Please download again the file in Solmaz task.

Challenge Tesvir updated! 2024-Jun-07 09:10:51

Please download again the file in Tesvir task.

6th Crypto CTF 2024 website 2024-May-28 03:07:47

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

Crypto CTF registration is now open! 2024-May-28 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.