How to Modify an Existing Node

This guide demonstrates how to extend a Reth node with custom functionality, including adding RPC endpoints, modifying transaction validation, and implementing custom services.

Adding Custom RPC Endpoints

One of the most common modifications is adding custom RPC methods to expose additional functionality.

Basic Custom RPC Module

Next Steps

• Explore Standalone Components for direct blockchain interaction
• Learn about Custom Node Building for production deployments
• Review Type System for working with blockchain data