To run the SDK you need Node.js version 16 and higher. While you may find a way to run it directly in a browser, we don't actively support or provide troubleshooting assistance with this scenario. We recommend setting up your own Node.js backend. Exposing your API keys in a frontend application is almost always a bad idea. Using the SDK is pretty straight-forward as you can see from the following examples. For more examples take a look in blockfrost-js-examples repository. Blockfrost Node.js...