In Ethereum Improvement Proposal 4337 , simplifies user interaction and the blockchain. It eliminates the need for users to deal with the complexities of wallets, making blockchain applications more accessible to users. For instance, users can use social login to interact with dApps, and there is no need for private keys or seed phrases anymore. In this series of posts, I will provide a high-level overview of the topic in this post and dive into the code in the following ones.
UserOperation When multiple user operations are included in a transaction, it is sent to the contract for execution on the chain. EntryPoint When a bundle of user operations is executed on the blockchain, it is done on behalf of an external account . It is important to note that the sender's address is the Bundler address, while the recipient address is the smart contract address.