| Technology | ERC721 | ERC1155 | ERC2981 | Ownable [1] | On-chain Auction |
|---|---|---|---|---|---|
| Opensea.io / Wyvern Protocol [2][3][4] | Yes ✅ | Yes ✅ | No ❌ | Yes ✅ | No ❌ |
| LooksRare [5][6] | Yes ✅ | Yes ✅ | Yes ✅ | Yes ✅ (wrapper) | Dutch Auction (wrapper) |
| Rarible [7] | Yes ✅ | Yes ✅ | Yes ✅ | Yes ✅ | English Auction (2022 Q1) |
| Zora Protocol [8] | Yes ✅ | No ❌ | Yes ✅ | Yes ✅ | English Auction |
| Manifold [9] | Yes ✅ | Yes ✅ | Yes ✅ | Yes ✅ | English Auction |
| WP Smart Contracts [10][11] | Yes ✅ | Yes ✅ | Yes ✅ | Yes ✅ | English Auction |
| Origin Story [12] | Yes ✅ | No ❌ | No ❌ | Yes ✅ | No ❌ |
| Thirdweb [13] | Yes ✅ | Yes ✅ | Yes ✅ | Yes ✅ | English Auction |
Two approaches for auction: respectively Dutch (price decrease) and English (price increase) auction.
A compliant standard should be proposed for compatibility between all marketplaces.
Gnosis Safe implemented a dutch auction solution named DutchX [14] but it is only for ERC20 (fungible) tokens.
Zora, Superrare, Foundation.app, Opensea, Nifty Gateway, Manifold and Rarible co-authored a tracker for tokens supporting NFT Royalty standard ERC2981 [15]. NFT royalties will be supported on these platforms soon.