Build a Crypto Price Tracker with React Native

Continue building a Crypto Price Tracker app with React Native in this fourth part of a comprehensive tutorial series. Implement a portfolio screen to track assets, add search and asset addition functionality, calculate balance and profit/loss, and enhance the app with custom fonts and chart filters. Follow along step-by-step to create a fully functional cryptocurrency tracking application, suitable for developers of all experience levels. Download the provided asset bundle and source code to streamline the development process.