Challenge slowsum updated! 2023-Jul-Sat 02:14:09

Please download again the files in slowsum.

Challenge Marjan updated! 2023-Jul-Fri 06:50:34

Please download again the file in Marjan task.

Challenge ASIv1 updated! 2023-Jul-Fri 05:40:51

Please download again the file in ASIv1 task.

Challenge keymoted updated! 2023-Jul-Fri 05:13:56

Please download again the file in keymoted task.

Challenge vinefruit updated! 2023-Jul-Fri 04:22:53

Please download again the file in virefruit task.

Challenge Insights updated again! 2023-Jul-Fri 02:48:54

Please download again the file in Insights task.

Activation Email Issue Resolved, Register Now! 🎉 2023-Jul-Wed 12:24:12

We would like to address a minor hiccup that some of you may have experienced during our registration process. We apologize for any inconvenience caused and are pleased to inform you that the issue has been resolved.

Previously, there was a temporary problem with sending activation emails to complete the registration process. This technical glitch resulted in some users not receiving the necessary activation email, preventing them from successfully activating their accounts.

Now, we are happy to announce that the activation email system is fully functional, and you can register with confidence. Whether you're joining us for the first time or had trouble completing your registration previously, you can proceed right away.

Should you encounter any further issues or have any questions regarding your registration or account activation, please don't hesitate to reach out to our dedicated support team. We are here to assist you and resolve any concerns you may have.

Crypto CTF registration is now open! 2023-Jun-Thu 06:21:57

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.

5th Crypto CTF 2023 website 2023-Jun-Wed 11:37:47

The 5th Crypto CTF website is now online. The countdown timer shows the remaining time to 5th Crypto CTF 2023. There are some links to access News, FAQ, etc. You can see Crypto CTF archives for 2022, 2021, 2020, and 2019 too. Have fun!