The problem with NFT on-chain data is that every wallet looks the same. A collection with fifty buyers in an hour could be genuine demand or one entity across fifty addresses, and raw chain data will not tell you which. Nansen's labels do.
What the labels enable
Filtering flows by entity type — funds, market makers, known flippers, project treasuries — and alerting when specific cohorts accumulate. For someone monitoring a collection's holder composition or the credibility of a mint, that is the difference between data and noise.
What to be sceptical of
Labels are generated by proprietary models whose criteria are not published, and mislabels happen with no clear correction process. Following labelled smart money is also a strategy that degrades as more people do it — by the time a wallet is labelled and surfaced, its edge is public.
Cost
Meaningful tiers start around $99 a month. For an occasional NFT buyer, free alternatives — a block explorer, Bubblemaps for concentration, CryptoSlam for filtered volume — answer most of the same questions with more effort.
Who should use it
Professionals monitoring NFT flows and funds tracking positioning. Individual collectors will struggle to justify the subscription.