# ZoKrates [](https://gitter.im/ZoKrates/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [](https://circleci.com/gh/Zokrates/ZoKrates/tree/master) [](https://circleci.com/gh/Zokrates/ZoKrates/tree/develop) ZoKrates is a toolbox for zkSNARKs on Ethereum. _This is a proof-of-concept implementation. It has not been tested for production._ ## Getting Started Have a look at the [documentation](https://zokrates.github.io/) for more information about using ZoKrates. A getting started tutorial can be found [here](https://zokrates.github.io/sha256example.html). ## Getting Help If you run into problems, ZoKrates has a Gitter room. You can come ask for help on [Gitter](https://gitter.im/ZoKrates/Lobby). ## License ZoKrates is released under the GNU Lesser General Public License v3. ## Contributing We happily welcome contributions. You can either pick an existing issue, or reach out on [Gitter](https://gitter.im/ZoKrates/Lobby). Unless you explicitly state otherwise, any contribution you intentionally submit for inclusion in the work shall be licensed as above, without any additional terms or conditions.