For the most up-to-date information, please see:

<a href="https://eco.com/support/en/articles/15254036-what-is-erc-4337-account-abstraction-explained-2026"><b>What Is ERC-4337? Account Abstraction Explained 2026</b></a>

ERC-4337 explained, UserOperations, bundlers, EntryPoint contract, paymasters, and how out-of-protocol account abstraction actually ships in production.

ERC-4337 Explained: Account Abstraction

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ERC-4337 Explained: Account Abstraction

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