Extension. The Coinbase Extension offers real-time price notifications for a range of cryptocurrencies directly in your browser. Whether you're monitoring the price of Bitcoin, Ethereum, or any other supported cryptocurrency, the extension provides timely updates, allowing you to make informed decisions quickly. 5. Seamless Integration with ...Setting up the Coinbase Extension. To get started with the Coinbase Extension, follow these steps: Install a supported web browser, such as Chrome, Firefox, or Brave. Create a Coinbase account if you don't already have one. Visit the respective browser's extension store (e.g., Chrome Web Store for Google Chrome). Search for "Coinbase Extension ...