After multiple rejected or stalled proposals to add native support for smart contract wallets (smart accounts) to Ethereum, ERC-4337 has been accepted as the (interim) standard to implement Account Abstraction (AA) without protocol level changes to the EVM. Over the last few months, there has been a surge in activity in a subset of AA which revolves around the modularization of these smart accounts to make them more easily extensible for both users and developers. This general approach is termed modular account abstraction and the following article aims to give an overview of the developments in this ecosystem over the past 3 months and where things are heading.

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