QuarkChain (QKC) is a blockchain platform designed for high-performance and decentralized applications. It was created by a team led by Qi Zhou in 2017. QKC uses sharding technology to increase transaction speed and throughput, making it ideal for use in various applications that require high performance, such as gaming, finance, and Internet of Things (IoT) devices. Additionally, QKC is designed to provide an open and secure platform for developers to build decentralized applications (dApps) and smart contracts.