IntroductionBefore diving into building the application let’s refresh our understanding of Account Abstraction in general.Account Abstraction is a new way to manage Ethereum accounts using smart contracts instead of the simple externally owned accounts (EOAs) we have now. Think of it as adding a layer of customizability and functionality on top of your basic account.How does it work? The key piece is the ERC-4337 standard, which defines how smart contracts can interact with the Ethereum netwo...