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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.
NFT Collection Analytics
Rarity scores, trait analysis, and price estimation for top collections
How Rarity Scoring Works
1. Trait Frequency
Each trait is scored by how rare it is within the collection. Fewer occurrences = higher score.
2. Statistical Rarity
Score = 1 / (trait_count / total_supply). A trait appearing in 1% of items gets 100x score.
3. Combined Score
All trait scores are summed for the total rarity score. Higher combined = rarer NFT.
4. Price Estimation
Rare traits add premium over floor. Legendary traits can push 10-30x floor value.
LegendaryEpicRareUncommonCommon