1

Open Environment File

Go to the Virtualmin File Manager, locate and open your .env file within public_html (or the project root).

File Manager screenshot with .env file highlighted
2

Add Environment Variables

Add or update the blockchain-specific environment variables near the end of the file. Replace the placeholders with your own credentials and RPC endpoints.

Important

Replace all placeholder values with your actual API keys and RPC endpoints. Never commit real credentials to version control.