Overview - Lisk Documentation Welcome to the official Lisk documentation! Getting started Understand Blockchain Explanations & descriptions about the main concepts and components of the Lisk blockchain. Build Blockchain Guides for sidechain developers. How to develop a sidechain application with the Lisk SDK, explained in different dedicated guides. Run Blockchain Guides for node operators and validators. Integrate Blockchain Guides how to integrate blockchain data in external applications & services. What is blockchain?