Learn how to build a Crypto App using GraphQL Federation in this comprehensive tutorial. Explore React, Apollo GraphQL, and DataStax Astra database integration while following a step-by-step guide. Set up a database, create a GraphQL API with playground, implement a schema-first approach, and insert coin data. Develop a React application, configure Apollo Gateway and services, build the frontend, and apply styling to your project. Gain hands-on experience with GraphQL Federation and enhance your skills in creating modern, data-driven applications.