Sources & further reading
These are primary sources, established data vendors, or canonical specifications we referenced or cross-checked while writing this page.
- OpenSea — Largest NFT marketplace; de-facto reference for collection floors and volume.
- EIP-721 — NFT standard — The canonical ERC-721 non-fungible token specification.
- DappRadar — NFTs — Independent NFT market data across marketplaces and chains.
- CoinGecko — Reference source for crypto price and market-cap data.
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NFT Rarity Checker
Calculate the rarity score of any NFT based on its traits. Enter the collection size and each trait's occurrence count to get a statistical rarity breakdown and overall rarity ranking.