# Build a ZK circuit in Halo2 - the easy way

- Speakers: [Yi](https://streameth.org/speakers/yi)
- Event: [Zuzalu Montenegro 2023 - zkSync](https://streameth.org/zuzalu/zuzalu_montenegro_2023__zksync), Montenegro
- Channel: [Zuzalu](https://streameth.org/zuzalu)
- Date: 2023-04-18
- Watch: https://streameth.org/watch/65b8f8daa5b2d09b88ec1e0a

## Description

The video discusses how to write ZK circuits in Halo 2, a Rust library for creating ZK circuits. The library is flexible and modern, but can be difficult to use without the right knowledge. The video offers a solution with Halo 2 Lib, a library that simplifies the process of writing ZK circuits. The video walks through the Halo 2 scaffold repo, which provides a template for writing ZK circuits using Halo 2 Lib. The video also covers the benefits of using Halo 2, including the ability to use Rust features and a rich developer ecosystem.