Imagine a friend who offers to cover your subway fare if you forget your tokens. Gas Station Networks (GSN) are kind of like that for the Ethereum network. They are services that allow developers to build decentralized applications (dApps) that can pay for transaction fees on behalf of users. This means users don't need to hold any Ether (ETH) themselves to cover gas costs, making it easier for them to interact with dApps. This can improve user experience and make dApps more user-friendly.
