zkCTF - IS

A pioneering Zero-Knowledge security competition designed to engage and challenge security experts and developers fascinated by ZK technology and its applications. Our goal is to foster innovation, skill development, and deeper understanding within the rapidly growing field of Zero-Knowledge proofs and protocols.


Title Partners

Media & Community Partners


What is a CTF?

"Capture The Flag" (CTF) competitions, in the cybersecurity sense, consist of a set of computer security puzzles, or challenges. When players solve them they get a "flag," which can be exchanged for points. The more points a team earns, the higher up it moves in rank.

Where do I register?

Click the "Register" button in the upper right corner of the competition page and follow the guides to complete the registration.

How does it work?
  • Register a team on the ScaleBit zkCTF website
  • Create a team
  • Invite others to your team if you like, each team is limited to 2 members
  • Solve the challenges presented. The competition contains several challenges. Some challenges will be unlocked on the first day and the remaining challenges on the second day.
  • At the end of each challenge there is a flag (text token) that usually looks like this — flag{SomeTextHere} — Copy and submit to the ctf challenge page to get score
How can I get a team for the ScaleBit zkCTF?

If you don't have a team, try to get a friend, classmate, or colleague to play and learn with you. Feel free to join the ScaleBit zkCTF Telegram group to ask for a team: https://t.me/ScaleBitAudit

What is the zkCTF agenda?
  1. Registration Period: Deadline on Feb 5th, 2024, 1:00 am UTC
  2. Competition Period: Feb 3rd, 2024, 1:00 am UTC - Feb 5th, 2024, 1:00 am UTC
  3. Winners Announcement: On or around Feb 6th
How are points awarded in the zkCTF competition?

In the ScaleBit zkCTF competition, points are awarded based on the challenges you complete, and a scoreboard will keep track of your progress. Each challenge is assigned points according to its difficulty level.

Additionally, we offer first-blood points to the first three teams who solve a challenge.

What are the prizes for the winners?

The prizes are distributed as follows:

  • First Place: 2,000 USDT (awarded to 1 team)
  • Second Place: 1,000 USDT (awarded to 1 team)
  • Third Place: 500 USDT (awarded to 1 team)
Where can I ask more questions?

Join the ScaleBit zkCTF Telegram group: https://t.me/ScaleBitAudit