ChainX is a community-driven project built on the next-generation blockchain framework substrate, the largest Layer-2 network of Bitcoin using the Light-client protocol with smart contract support, will evolve into the Polkadot network as a secondary relay chain in the future.
Please refer to http://doc.chainx.org/ for building and developing on ChainX platform.
Any kinds of contributions are highly welcome. Feel free to file an issue if you have any question or run into any issues.