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ERC-4337

An Ethereum standard for account abstraction using UserOperations, bundlers, EntryPoint, and optional paymasters.

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Definition

An Ethereum standard for account abstraction using UserOperations, bundlers, EntryPoint, and optional paymasters.

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Why it matters

Ethereum-specific terms explain its execution environment, standards, accounts, and scaling roadmap.

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How it works

It introduces a higher-level ‘UserOperation’ mempool. Instead of a transaction initiated by an EOA, a user sends a ‘UserOperation’ which is bundled by ‘Bundlers’ and processed by a specialized smart contract called an ‘EntryPoint’. This allows for arbitrary logic like signature validation or fee payment via third parties.

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Real-world example

Safe (formerly Gnosis Safe) and various newer smart wallets utilize account abstraction features.

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Advantages

  • Improved user experience
  • Enhanced account security
  • Supports gasless transactions

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Limitations

  • Requires protocol support
  • Increased complexity for devs

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Common misconceptions

  • Users think they have to give up self-custody to use it, but it remains fully non-custodial.
  • People assume it is a layer 2 solution, but it is a standard for the Ethereum account model.
Canonical knowledge ID: glossary:erc-4337