Lisk (LSK) is a blockchain platform that enables developers to create, deploy, and manage decentralized applications (dApps) in JavaScript. It aims to make blockchain technology more accessible by providing a user-friendly interface and tools for developers to build on. Lisk uses a unique sidechain architecture, allowing for scalability and customization of individual dApps. The project also has a native cryptocurrency, LSK, which is used for transactions within the platform and as a store of value. Overall, Lisk seeks to empower developers and foster innovation in the decentralized application space.