# Cronos zkEVM ## Introducing Cronos zkEVM Testnet In December 2023, [Cronos Labs](https://cronoslabs.org), the web3 start-up accelerator focusing on DeFi, GameFi, and the development of the [Cronos](https://cronos.org) ecosystem, announced the launch of Cronos zkEVM Chain public testnet, a zero-knowledge (ZK) layer 2 blockchain network that represents a significant milestone on Cronos' journey towards scalability and mainstream adoption. The testnet is a chain using [ZK Stack](https://zkstack.io/), launched in a partnership between Cronos Labs, Matter Labs, the team behind [zkSync](https://zksync.io/), and engineering teams from [Crypto.com](https://crypto.com), [VVS Finance](https://vvs.finance/), [Fulcrom Finance](https://fulcrom.finance/en/) and [Veno Finance](https://veno.finance/). Visit the [Cronos zkEVM documentation by clicking here](https://docs-zkevm.cronos.org/). --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.cronos.org/cronos-zkevm/cronos-zkevm.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.