What is ERC-4337 or Account Abstraction and what does it mean for Ethereum?

Sharpe Labs
4 min readJul 18


Ethereum Request for Comments ERC4337, popularly known as Account Abstraction, is an innovative advancement that aims to enhance the user experience within the ecosystem. This standard is primarily centered on refining the accessibility and usability of crypto and blockchain applications by transforming traditional user accounts into smart accounts with augmented capabilities.

Account Abstraction Introduction

The main rationale behind ERC-4337 is to make Ethereum-based wallets more accessible and user-friendly. The standard seeks to minimize the overdependence on seed phrases and offer optimally standardized procedures for user onboarding through their mobile devices.

Account abstraction essentially provides an alternative to the typical way of creating an account on the Ethereum network, extracting some characteristics and injecting new functionalities into the user accounts.

ERC-4337 introduces the concept of smart contract functionality into wallets, effectively morphing them into smart accounts with the ability to handle tasks such as multi-factor authentication, managing crypto subscriptions, and several other attributes. This Ethereum standard presents the possibility of erecting ERC-4337 wallets capable of abstracting authentication, payment, and double-spending safeguards.

Beyond this, ERC-4337 seeks to address the confusion and obstacles faced by Ethereum beginners when signing transactions using wallets like Metamask. By instituting convenient smart accounts, users can circumvent the need for individual signature verification for each transaction, thereby saving valuable time and gas fees.

ERC-4337 Features and Functionality

A unique feature of the ERC-4337 standard is its ability to enable the utilization of mobile hardware akin to a hardware wallet, thereby enhancing the security of cryptographic key storage. Further, the standard provides multiple account recovery options, such as using a standard Google account, which significantly enhances accessibility for users. Rounding off its features is the ability to decentralize the relay system, leading to superior security and better censorship resilience.

Under the hood, ERC-4337 unveils a precise four-stage process involving the user intention for a task, the bundling of user operations in a separate mempool, the transfer of bundled transactions to the EntryPoint contract, and the transaction execution using the ExecuteUserOp function.

From a user experience perspective, ERC-4337 simplifies transaction signing and allows group-access wallets for easy recovery of access, key abstraction to reduce reliance on private keys, multi-factor authentication for enhanced security, and the flexibility for preapproved customized coding. Importantly, ERC-4337 allows for easier access to DeFi and crypto trading, along with the customization of smart contract wallets for NFT and token trading.

Technological and Implementation Implications

The introduction of ERC-4337 into the Ethereum network seeks to address some common issues in our space such as wallet setup simplification, frequent smartphone-oriented security risks, undiversified account recovery alternatives, NFT minting fees reduction, and the minimization of repetitive approvals for low-value transactions.

At its core, ERC-4337 aims to propel Ethereum toward wider acceptance by making wallets more intuitive, which is crucial for regular users. However, some complicating terms, such as ‘account abstraction’ might pose a challenge to understanding unless simplified explanations are available.

Implementing ERC-4337 as an Ethereum standard instead of upgrading the underlying protocol through a hard fork helps prevent blockchain splits and compatibility issues. The transition of Ethereum from Proof of Work to Proof of Stake has made significant protocol updates less likely in the near future, so changes at a higher abstraction level allow for improvements without major protocol updates.


In conclusion, ERC-4337 is a transformative standard within the Ethereum blockchain framework that is poised to create a more user-friendly and efficient transaction environment. Aside from making the crypto and blockchain landscapes more accessible, its successful implementation is also expected to stimulate broader crypto adoption by making wallets more user-friendly. Though it presents complexities in its understanding and associated terminologies, the standard’s net benefits outweigh its challenges and pave the way for the next generation of crypto evolution.



Sharpe Labs

Sharpe Labs is a DeFi R&D lab that creates open-source innovative investment solutions using our Institutional-Grade Asset Management tooling and infrastructure