What Is an Ethereum Improvement Proposal (EIP)?

If you have spent any time in the Ethereum ecosystem, you have probably come across the term EIP without anyone explaining what it means. EIP stands for Ethereum Improvement Proposal, and it is the formal process through which changes to the network get proposed, debated, and eventually implemented. No corporate team greenlit it, no single person owns it. It is a community-driven process that has shaped every major upgrade Ethereum has ever shipped. Unlike a company that pushes updates whenever its engineering team decides to, Ethereum has no central authority calling the shots. This makes the EIP process central to how the network functions. 

In this article, we will walk you through what EIPs are, how they move from a rough idea to a live change on the network, and why any of this should matter to you as someone who uses or invests in Ethereum. Let’s take a look:

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What Exactly Is an EIP?

An EIP is a formal written document that anyone in the Ethereum community can submit to propose a change to the network. It needs to explain what the change is, why the current state of things falls short, how the proposed solution would work technically, and what risks it might introduce.

The concept comes from the open-source software world, where collaborative projects have long used similar frameworks to manage contributions from distributed teams. Bitcoin has its own equivalent called BIPs, or Bitcoin Improvement Proposals. Ethereum borrowed that idea and expanded it to fit a network with far broader capabilities, including smart contracts, token standards, and decentralized applications.

The Different Types of EIPs

Not every EIP is trying to do the same thing, so the framework breaks them down into categories.

Standard Track EIPs

These cover changes to the Ethereum protocol itself. Core EIPs deal with consensus rules and the fundamental logic of how the blockchain runs. Networking EIPs address how nodes on the network communicate. Interface EIPs focus on how external tools like wallets and developer clients interact with Ethereum through APIs and technical standards. Anything that could affect the protocol at a foundational level will fall somewhere in this category.

ERCs (Ethereum Request for Comments)

ERCs are a subcategory of EIPs, but they deserve their own spotlight because most Ethereum users encounter them constantly without realizing it. An ERC sets the rules developers must follow when building tokens or smart contracts on Ethereum.

ERC-20 is the clearest example. It defined the standard that every fungible token on Ethereum must follow. Every token you have ever traded on a decentralized exchange exists because of that standard. ERC-721 did the same for NFTs. Without these shared standards, different projects would build incompatible systems, and the ecosystem would fragment. ERCs are essentially the common grammar that keeps everything working together.

How an EIP Moves Through the Process

Getting an EIP from a rough idea to a live change on the network takes time, and that is entirely intentional. Ethereum holds enormous value, and changes to it need to be examined carefully before they go anywhere near production.

It starts at the Idea stage, which is informal and not yet officially tracked. Once properly written and submitted to Ethereum's GitHub repository, it becomes a Draft, open for community feedback, technical critique, and revision. When the author feels it is ready for a more serious look, it moves to the Review stage, where peer developers dig into it more rigorously.

After Review comes Last Call, a final 14-day window for the community to raise any remaining objections. If significant issues come up, it goes back to Review. If it passes, it reaches Final status, which means it is accepted as an official standard.

There are a few other statuses worth knowing. An EIP that goes six months without activity gets marked Stagnant. One that the author formally abandons becomes Withdrawn. Some EIPs are designed to be continuously updated rather than finalized, so they carry a Living designation instead. It is also worth noting that reaching Final status does not mean the change goes live immediately. Protocol-level changes still need to be bundled into a scheduled network upgrade and accepted by validators and node operators, which is a whole separate step in itself.

How EIP-1559 Rewrote Ethereum's Fee System

If you want to see what a successful EIP looks like in practice, EIP-1559 is the best example to study. It was activated during the London Hard Fork in August 2021, and it fundamentally changed how gas fees work on Ethereum.

Before EIP-1559, users essentially had to guess what fee to offer validators to get their transaction included in a block. When the network was busy, this turned into a bidding war. People overpaid constantly, and there was no reliable way to estimate a fair price.

EIP-1559 replaced that system with two components. First, a Base Fee that adjusts automatically based on network congestion. Second, an optional Priority Fee, or tip, that users can add if they want faster processing. The key change was what happened to the base fee. Instead of going to validators, it got burned, meaning that ETH was removed from circulation permanently.

This had real economic consequences. During periods of high network activity, the burn rate can exceed the rate at which new ETH is issued, making the supply deflationary. ETH holders were watching this upgrade closely for good reason. It was not just a UX improvement. It reshaped the long-term supply dynamics of the asset.

Who Actually Decides Which EIPs Get Implemented?

No single person or organization makes this call. Ethereum governance is deliberately decentralized and operates through rough consensus rather than formal voting. Core developers discuss proposals on regular public calls, researchers publish analyses, and the broader community debates changes across forums and social channels. Figures like Vitalik Buterin carry significant weight due to their technical credibility, but no single voice, not even his, can push a change through on its own.

The famous 2016 DAO hack actually put this system to a real test. A vulnerability in a major decentralized fund led to the theft of around 60 million dollars worth of ETH, and suddenly, the community had to decide whether to intervene by reversing the transactions through a hard fork or not. It was a deeply divisive debate. The majority pushed ahead with the fork, but those who opposed it on principle stayed on the original chain, which eventually became Ethereum Classic. The episode remains one of the most important moments in Ethereum's history, not just because of the money involved, but because it showed exactly how complicated decentralized governance can be.

Today, significant changes are typically grouped into annual network upgrades rather than pushed out one at a time. This reduces disruption, gives node operators time to prepare, and keeps coordination manageable as the network matures. It is a slower pace than most people expect, but when you are dealing with a network that holds hundreds of billions of dollars in value, moving carefully is the wiser choice.

Why Should the Average User Care?

EIPs can feel like they exist in a world that only affects developers, but that impression is wrong. Changes to fee structures directly affect what you pay every time you interact with a smart contract. Changes to token standards determine whether assets in your crypto wallet will work with new platforms. Changes to the consensus mechanism affect the security of everything built on Ethereum.

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For investors in particular, tracking the EIP pipeline is genuinely useful. A proposal that reduces costs, improves throughput, or introduces deflationary mechanics can have a measurable impact on how the network is perceived and valued. In a space that moves as fast as crypto does, that kind of awareness tends to pay off.

Closing Thoughts

The EIP process is how Ethereum keeps itself accountable without handing control to any single authority. It is open, it is slow by design, and it does not always produce the outcomes people hope for. But it is the mechanism that allows a globally distributed network to evolve in a way that is transparent and resistant to capture.

EIPs are not just a technical formality that developers deal with behind the scenes. Every fee you pay, every token standard your wallet supports, every security improvement that makes the network harder to exploit, all of it traces back to this process. The more you understand how Ethereum actually changes and who drives those changes, the better positioned you are to make sense of what is coming next.

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Frequently Asked Questions

What does EIP stand for?

An Ethereum Improvement Proposal (EIP) is a formal document used to suggest changes to the Ethereum protocol.

Who can submit an EIP?

Anyone, including developers, researchers, and community members, as long as the proposal follows the required format.

What is the difference between an EIP and an ERC?

EIPs propose changes to the Ethereum protocol, while ERCs define application-level standards like token formats.

What is EIP-1559 known for?

Introducing a base fee that gets burned with every transaction, creating deflationary pressure on the ETH supply.

Does Final status mean a change goes live immediately?

No, protocol changes still need to be included in a scheduled network upgrade and accepted by validators.

How long does the EIP process take?

Anywhere from a few months for straightforward proposals to several years for major protocol changes.

Where can I track active EIPs?

At eips.ethereum.org, which lists all proposals, their current status, and the full discussion history.