Double Miff task update! 2021-Jul-Sat 05:29:20

This task is updated and simplified, please redownload it! Thank You!

Trunc task update! 2021-Jul-Sat 01:26:50

Please redownload the Trunk task. Sorry for inconvenience.

3rd Crypto CTF 2021 website 2021-Jul-Tue 12:21:11

The 3rd Crypto CTF website is now online. The countdown timer shows the remaining time to 3rd Crypto CTF 2021. There are some links to access News, FAQ, etc. You can see Crypto CTF archives here.

CTF registration is now open! 2021-Jul-Tue 12:21:11

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.