Yoav Weiss, a developer for Ethereum (ETH), has outlined the vision of the Ethereum team to improve smart contract interactions and decentralized applications (dApps) by creating a standard known as ERC-4337. This norm facilitates smart contract crypto wallets on the Ethereum blockchain, where assets are controlled via smart contracts instead of externally owned accounts (EOAs). It adds a new element called a UserOperation, which plays the role of pseudo-transaction. UserOperations reside in alt mempool until confirmed, making the operations to be more efficient for them.
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