313Loyal 2022-Jul-Fri 03:58:16

File and server of 313Loyal is now updated! Please download again.

Can you hear me? 2022-Jul-Thu 12:20:26

If you can, enter your first flag:


Crypto CTF registration is now open! 2022-Jul-Sat 04:25:24

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.

4th Crypto CTF 2022 website 2022-Jul-Fri 06:22:03

The 4th Crypto CTF website is now online. The countdown timer shows the remaining time to 4th Crypto CTF 2022. There are some links to access News, FAQ, etc. You can see Crypto CTF archives for 2021, 2020, and 2019 too. Have fun!