ACTF 2026 is a Jeopardy-style Online Capture The Flag Competition organized by Team AAA from Zhejiang University, a partner of the XCTF League, with technical support provided by Saining Cybersecurity and sponsorship from Xianzhi Platform (https://xianzhi.aliyun.com).

As a qualification event of the 10th Edition of XCTF International League, ACTF 2026 will be held online and is open to participants from all over the world. Teams may compete from any location, with no restriction on the number of participants in each team.

The Champion Team of ACTF 2026 will be invited to The Finals of the 10th Edition of XCTF. The location and date of the Finals are subject to change, and qualified domestic and international teams will be informed once the details are confirmed. Other participating teams will also receive cumulative points to compete for additional slots in the XCTF Finals.

1st place: 18,000 CNY, tax included + a qualification slot for The Finals of the 10th Edition of XCTF
2nd place: 11,000 CNY, tax included
3rd place: 7,000 CNY, tax included

Part of the prize pool is sponsored by Xianzhi Platform (https://xianzhi.aliyun.com
).