An NFT gas war is a period of extreme transaction fee competition that occurs when many users simultaneously submit transactions to mint or buy an NFT on Ethereum — each bidding higher gas prices to get their transaction included in the next block — resulting in gas fees that can range from hundreds to thousands of dollars and often exceed the mint price of the NFT itself, making participation prohibitively expensive for most users.
How Gas Wars Happen
On Ethereum, transaction priority is determined by the fee paid to miners/validators:
- Block space is limited (currently ~30M gas per block)
- When demand exceeds supply, fees spike via an auction mechanism
- The highest bidders get their transactions included; others wait or fail
The NFT mint gas war sequence:
- A popular NFT collection opens for mint
- Tens of thousands of users simultaneously attempt to mint
- Each transaction bids a higher gas price to get included first
- Gas prices spike from a baseline of 20–50 gwei to 500–3,000+ gwei
- Many transactions fail (insufficient gas, gas limit too low, or out-minted)
- Failed transactions still burn gas (the computation is still done)
Famous Gas Wars
Otherside Otherdeed mint (April 2022):
- The most extreme gas war in NFT history
- Gas fees: $6,000–$14,000 per successful transaction
- Failed transaction gas: estimated $90M+ wasted
- Total Ethereum gas spent: ~$175M
Other notable gas wars:
- Art Blocks drops (especially Squiggles): extreme gas competition in 2021
- Popular PFP launches: BAYC, Doodles, and others sparked significant gas wars at mint
Post-EIP-1559 Gas Wars
After Ethereum’s London hard fork (EIP-1559, August 2021):
- Base fee + priority fee structure replaced simple gas price auctions
- Base fees are burned (not paid to validators); priority fees go to validators
- Gas wars still occur but with different mechanics: users bid up priority fees
- The base fee automatically rises when blocks are full
The Gas War Solution: Layer 2
The long-term solution to NFT gas wars is minting on Layer 2 networks:
- Immutable X, Polygon, Optimism, Base, Zora Network — all handle higher throughput
- Gas fees are cents instead of hundreds of dollars
- Popular mints on L2 still have demand spikes but at dramatically lower costs
- Yuga Labs explicitly committed to L2 minting after the Otherside gas catastrophe
History
- 2021 — Gas wars become a regular feature of popular NFT drops; Art Blocks and PFP mints regularly spike fees
- August 2021 — EIP-1559 changes gas mechanics; gas wars continue with priority fee bidding
- April 2022 — Otherside mint: the most extreme gas war in history; $175M in gas spent
- 2022–2024 — L2 adoption grows; high-demand mints increasingly move to L2; Ethereum mainnet gas wars become less common as projects respond to community pressure
Common Misconceptions
- “Failed transactions in a gas war cost nothing.” — Failed transactions still consume gas up to the gas limit; the computation was attempted and fees are charged. Failed transactions during gas wars can cost hundreds of dollars with nothing received.
- “Gas wars only affect small buyers.” — During extreme gas wars (like Otherside), even sophisticated traders and whales faced $10,000+ fees. Gas wars are economically destructive for participants across the board.
Social Media Sentiment
- X/Twitter: Gas wars are among the most complained-about events in NFT culture; “gas war on right now” is a standard warning posted during high-demand mints.
- r/NFT: Gas war recaps are high-engagement posts; the cost of participation relative to NFT value is a common frustration.
- Ethereum community: Gas wars are cited as a primary driver for L2 adoption; Otherside accelerated the industry-wide push to layer 2 minting.
Last updated: 2026-04
Related Terms
See Also
- Gas Fee — the fundamental mechanism; gas wars are the extreme end of the Ethereum fee market
- Layer 2 — the primary solution to gas wars; L2 networks handle much higher throughput at a fraction of the cost
- Otherdeed — the NFT collection whose mint produced the most extreme gas war in history; the canonical case study
Sources
- Etherscan — Gas Tracker — real-time and historical Ethereum gas data.
- EIP-1559 Specification — the fee market reform that changed gas war mechanics.
- CoinDesk — Otherside Gas Coverage — reporting on the April 2022 gas catastrophe.