Goldsky is a platform for reading from blockchain in real-time. Instead of reading directly from RPC nodes or pre-defined APIs, we aim to give everyone the tools they need to build reliable, real-time apps without having to do data massaging in their front-ends or back-ends. Defining a source gives you a data stream you can manipulate using SQL and other tools. You can layer multiple transformed streams on top of each other to create alerts, new views, merge data and more. The results of your transformations can be accessed through a GraphQL API, or directly in your own backend through real-time ETL.