# New Challenge Alert: Complete Both to Join zkSecurity

- **Authors**: ZK/SEC
- **Date**: December 01, 2025

![new challenge](https://blog.zksecurity.xyz/posts/curve-machine/new-challenge.jpg)

We're always on the lookout for passionate people to join us to work on the most exciting projects in the ZK space. After launching our first hiring challenge, zkBank, we're excited to announce that we're raising the bar!

**To get a chance at joining zkSecurity, candidates must now complete BOTH challenges:**

1. 
**zkBank** - Our original challenge that tests your ability to learn and apply knowledge across various areas of ZK. Check it out at [https://blog.zksecurity.xyz/posts/zkbank/](https://blog.zksecurity.xyz/posts/zkbank/)

   **zkBank** - Our original challenge that tests your ability to learn and apply knowledge across various areas of ZK. Check it out at [https://blog.zksecurity.xyz/posts/zkbank/](https://blog.zksecurity.xyz/posts/zkbank/)
2. 
**Curve Machine** - Our new challenge that will push your skills even further in the world of zero-knowledge security.

   **Curve Machine** - Our new challenge that will push your skills even further in the world of zero-knowledge security.

Both challenges are designed to test different aspects of what makes a great ZK security researcher. If you think you have what it takes to solve them both, head over to our jobs page at [https://zksecurity.xyz/jobs](https://zksecurity.xyz/jobs) for all the details and get started!

Are you ready to prove yourself?

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This article was published on the [ZK/SEC Quarterly](https://blog.zksecurity.xyz) blog by [ZK Security](https://www.zksecurity.xyz), a leading security firm specialized in zero-knowledge proofs, MPC, FHE, and advanced cryptography. ZK Security has audited some of the most critical ZK systems in production, discovered vulnerabilities in major protocols including Aleo, Solana, and Halo2, and built open-source tools like [Clean](https://github.com/Verified-zkEVM/clean) for formally verified ZK circuits. For more articles, see the [full list of posts](https://blog.zksecurity.xyz/llms.txt).