Retrieve detailed information about a specific Ethereum block by its block number using eth_getBlockByNumber. Essential for interacting with the Ethereum blockchain via JSON-RPC.This method works by connecting to the Ethereum network via JSON-RPC, a remote procedure call (RPC) protocol used for communication between clients and servers. Core API endpoints provide the functionality to interact with the blockchain, and eth_getBlockByNumber is one of the most commonly used methods within these endpoints.