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Vitalik Buterin Ethereum EIP-7702

Ethereum’s Next Big Leap? Buterin Proposes Transformative EIP-7702

Jake Simmons
by Jake Simmons
1 year ago
·
Posted in Ethereum
Trusted Editorial content, reviewed by leading industry experts and seasoned editors. Ad Disclosure

Ethereum co-founder Vitalik Buterin, along with collaborators Sam Wilson, Ansgar Dietrichs, and Matt Garnett, has proposed a new Ethereum Improvement Proposal (EIP) numbered 7702, designed to significantly enhance the functionality of Ethereum’s externally owned accounts (EOAs). EIP-7702 aims to integrate smart contract functionalities temporarily into EOAs, a transformative concept that might redefine user interactions on the Ethereum network.

Evolution Of Account Abstraction On Ethereum

Ethereum’s account model includes two primary types: externally owned accounts (EOAs) and contract accounts. EOAs are controlled by private keys and have limited capabilities and security features, which restrict their use in more complex transactions typically reserved for smart contracts.

To address these limitations, several EIPs have been introduced:

  • EIP-4337: Implemented in March 2023, it established a framework allowing smart contracts to act as accounts that can validate and execute transactions, known as User Operations (UserOps). This proposal significantly enhanced user experience by integrating advanced functionalities like biometrics, especially in applications developed by platforms such as Polygon and Coinbase.
  • EIP-3074: Proposed before EIP-4337, it aimed to empower EOAs by allowing them to delegate their transaction authority to smart contracts temporarily. This proposal included two new opcodes, AUTH and AUTHCALL, to facilitate this delegation, although it raised security concerns regarding potential misuse by malicious contracts.
  • EIP-5003: Building on EIP-3074, this proposal introduced the AUTHUSURP opcode to enable a permanent transformation of an EOA into a smart contract account, addressing some compatibility issues with EIP-4337 but also creating potential fragmentation in account abstraction methodologies.
Related Reading: Grayscale Withdraws Ethereum Spot ETF Proposal Amid Regulatory Obstacles

Innovative Aspects of EIP-7702

The introduction of EIP-7702 is a response to the complex landscape shaped by its predecessors. It proposes a leaner, more integrated approach by allowing EOAs to temporarily adopt smart contract code during transactions, thereby combining the security and simplicity of EOAs with the versatility of smart contracts.

EIP-7702 has risen pic.twitter.com/bwInPdWaE5

— ً (@lightclients) May 7, 2024

Here’s how EIP-7702 works: At the start of a transaction, the EOA’s contract_code field is temporarily set to a specific smart contract code necessary for the transaction. This code executes the transaction, leveraging smart contract functionalities. Upon completion of the transaction, the contract_code is cleared, reverting the EOA to its original state.

This process bypasses the need for new opcodes and the associated hard forks, as it uses callable functions (verify for AUTH and execute for AUTHCALL) instead, which can integrate seamlessly with the existing Ethereum infrastructure.

Jarrod Watts, a developer relations engineer at Polygon, highlighted the significance of EIP-7702, remarking, “Vitalik just proposed EIP-7702. It’s one of the most impactful changes Ethereum is going to have… EVER.” The community’s reaction underscores the transformative potential of EIP-7702 in bridging the gap between traditional EOAs and more dynamic smart contract accounts.

Related Reading: Ethereum Spot ETF Approval Delayed: SEC Postpones Verdict on Invesco’s Proposal

“EIP-7702 represents a fusion of the flexibility of smart contracts with the foundational security model of EOAs,” Watts commented. “It’s a significant stride towards making Ethereum more accessible and secure for everyday users.”

Vitalik just proposed EIP-7702.

It's one of the most impactful changes Ethereum is going to have… EVER.

So, here's everything you need to know about how it works and how we got here:

— Jarrod Watts (@jarrodWattsDev) May 8, 2024

If adopted, EIP-7702 could fundamentally change how users interact with decentralized applications (dApps) and manage digital assets on the Ethereum network. By enabling EOAs to temporarily operate with the advanced features of smart contracts, EIP-7702 promises a seamless, more secure user experience that could accelerate the adoption of Ethereum’s more sophisticated capabilities.

However, the success of EIP-7702 depends on thorough testing, community consensus, and careful consideration of security implications, particularly how temporary smart contract codes are managed and revoked.

At press time, ETH traded at $2,997.

Ethereum price
ETH price, 1-week chart | Source: ETHUSD on TradingView.com
Featured image from Forbes India, chart from TradingView.com
Editorial Process for bitcoinist is centered on delivering thoroughly researched, accurate, and unbiased content. We uphold strict sourcing standards, and each page undergoes diligent review by our team of top technology experts and seasoned editors. This process ensures the integrity, relevance, and value of our content for our readers.
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Jake Simmons

Jake Simmons

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Jake Simmons has been a Bitcoin enthusiast since 2016. Ever since he heard about Bitcoin, he has been studying the topic every day and trying to share his knowledge with others. His goal is to contribute to Bitcoin's financial revolution, which will replace the fiat money system. Besides BTC and crypto, Jake studied Business Informatics at a university. After graduation in 2017, he has been working in the blockchain and crypto sector. You can follow Jake on Twitter at @realJakeSimmons.

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