EIP-1559: Fee Market Change for ETH 1.0 Chain is an Ethereum Improvement Proposal authored primarily by Vitalik Buterin, with Eric Conner, Rick Solorio, Madhavan Bhattacharya, and Guillermo Angeris. First proposed in 2019, it was activated on Ethereum mainnet in the London hard fork on August 5, 2021. EIP-1559 fundamentally restructured how transaction fees work on Ethereum.

The academic treatment of EIP-1559’s game-theoretic properties was provided separately by Tim Roughgarden (Columbia University) in “An Economic Analysis of EIP-1559” (2021), which proved that the mechanism is incentive-compatible and superior to first-price auction.

> Source: The EIP is at eips.ethereum.org/EIPS/eip-1559. Roughgarden’s analysis is at arxiv.org/abs/2012.00854.

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Publication and Context

Before EIP-1559, Ethereum used a first-price auction fee market: users bid gas prices, and miners included whichever transactions paid the most. This was:

• Unpredictable: Users didn’t know what price to bid; setting too low meant waiting hours
• Inefficient: Users regularly overpaid to ensure inclusion
• Revenue for miners only: All fees went to block producers; no fee was burned

This was widely recognized as user-hostile. Ethereum was infamous for gas spikes during high-demand events (NFT drops, DeFi launches), where fees would reach hundreds of dollars per transaction.

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The Core Innovation: Base Fee + Tip + Burn

EIP-1559 splits the transaction fee into two components:

Base Fee:

• Set algorithmically by the protocol
• Adjusts up or down by up to 12.5% per block
• If the previous block used more than 50% of the gas limit, base fee rises; if less, it falls
• Burned — removed from circulation permanently, not paid to validators

Priority Fee (Tip):

• Optional additional payment directly to the block proposer
• Incentivizes validators to include transactions over others
• Typically small (e.g., 1–2 gwei) during normal conditions

Maximum Fee (Max Fee):

• Users set a maximum total fee they’re willing to pay (base fee + tip)
• If base fee is below their max, the transaction is included; excess above (base fee + tip) is refunded

The result: users can set a max fee corresponding to their urgency, and the protocol handles inclusion without complex gas price estimation.

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Block Size Change: Variable Gas Limit

EIP-1559 also changed block size mechanics:

Parameter	Before EIP-1559	After EIP-1559
Target block size	15M gas	15M gas
Maximum block size	15M gas	30M gas
Block fullness target	100%	50%

Blocks now have a target (15M gas) and a maximum (30M gas). The base fee adjusts to hit the 50% target. This means blocks can absorb demand spikes (up to 30M gas) without users needing to dramatically overbid — the base fee rises instead.

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The Burn Mechanism

The base fee burn is the most consequential economic change. Since August 2021:

• Over 4 million ETH has been burned in total (as of 2024)
• During periods of high activity, ETH issuance (from validator rewards) is outpaced by the burn rate — making ETH deflationary
• The burn rate is directly proportional to chain activity: more usage = more ETH burned

This gave ETH a new value narrative: “ultrasound money.” Whether ETH is deflationary in practice depends on the prevailing issuance rate (which changes with validator count) and transaction volume.

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Game-Theoretic Properties

Roughgarden’s 2021 analysis proved several key properties:

1. Incentive-compatible: Sincere bidding (setting max fee = true willingness to pay, setting tip = minimum needed) is a dominant strategy for users. Unlike first-price auctions, there’s no benefit to bid-shading or guessing.

1. Validator revenue: Validators receive only the tip, not the base fee. This means they have no incentive to artificially inflate demand to raise fees (the inflated base fee would be burned, not received).

1. Miner Extractable Value (MEV): EIP-1559 does not eliminate MEV — ordering manipulation, sandwich attacks, and other MEV extraction strategies remain. But it makes the base-fee revenue stream neutral.

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Reality Check

EIP-1559 delivered on most of its promises:

• Fee estimation became much simpler — wallets now correctly estimate gas almost all the time
• Confirmation times became more predictable
• The burn mechanism reduced sell pressure on ETH during high-demand periods

However, the fee market still has issues:

• During NFT mints or token launches, base fees spike explosively (still expensive, just more predictable)
• MEV extraction (Flashbots, sandwich bots) remains a significant user harm
• Layer 2 fees are dominated by L1 data costs (addressed by EIP-4844)

Miners opposed EIP-1559 vocally before London — losing base fee revenue was a material income cut. But the upgrade was politically driven through by the broader Ethereum community.

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Legacy

EIP-1559 became the standard fee mechanism for the entire EVM ecosystem. BSC, Polygon, Avalanche C-Chain, and virtually every Ethereum-compatible chain adapted EIP-1559’s mechanics. The base fee burn is now a central part of Ethereum’s economic model. Tim Roughgarden’s analysis is frequently cited as a high-quality example of applying mechanism design theory to blockchain fee markets.

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Related Terms

• Gas
• Base Fee
• Miner Extractable Value (MEV)
• Ethereum Beacon Chain Whitepaper
• EIP-4844 Whitepaper

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Research

• Buterin, V., et al. (2019). EIP-1559: Fee Market Change for ETH 1.0 Chain. eips.ethereum.org.

— The EIP itself. Abstract and motivation sections (§1–2) explain the rationale; specification (§3) defines the exact base fee formula.

• Roughgarden, T. (2021). Transaction Fee Mechanism Design for the Ethereum Blockchain: An Economic Analysis of EIP-1559. arXiv:2012.00854.

— Rigorous game-theoretic analysis. Theorem 1 proves incentive-compatibility. Theorem 5 establishes miner-resistance.

• Leonardos, S., et al. (2021). Dynamical Analysis of the EIP-1559 Ethereum Fee Market. ACM AFT 2021.

— Analyzes base fee oscillations and stability conditions.