0x v4

Overview

⛽ Gas Optimizations

0x v4 is the cheapest way to swap an NFT on Ethereum or any EVM-compatible chain.

Whether you prefer on-chain or off-chain orders, 0x v4 is the cheapest and most efficient way to swap NFTs to date.

Gas analysis as of 1/31/2022

Based on recent gas benchmarks, 0x v4 is significantly cheaper to fill orders.

• 40% cheaper than OpenSea, LooksRare, and Rarible for buying NFTs

• 35% cheaper than Zora to fill (>60% cheaper than Zora if including both parties' gas fees)

0x v4 supports both on-chain listings and off-chain listings so you can choose the best approach for your application.

📩 Order Support

0x v4 initially includes a rich set of swap functionality. More swap functionality (e.g. bundles) will be added over time

• ✅ ERC721 <> ERC20 swap
• ✅ ERC1155 <> ERC20 swap

NFT buys and sells (bids and asks) are both supported.

Analysis of Order support of leading NFT protocols

Note: Currently 0x v4 does not support NFT<>NFT swaps (e.g. ERC721<>ERC721). If required, you can use the 0x v3 protocol until v4 support is added.