Nansen is a analytics data firm based in Singapore that nansen is a blockchain analytics platform that combines on-chain data with a large database of labeled wallet addresses to help users track transactions, funds flows and smart-money activity across multiple blockchains. founded in 2019, the company serves traders, investors and institutions with dashboards, alerts and research covering tokens, nfts and defi protocols. it is headquartered in singapore. nansen raised a 75 million dollar series b in december 2021 at a reported 750 million dollar valuation, with backers including accel, andreessen horowitz, gic and tiger global. in late 2025 it introduced joint venture protocols aimed at on-chain trading and ai-driven infrastructure. They serve clients in Singapore. Nansen is listed on The Token Playbook's vetted provider registry at thetokenplaybook.com/registry/nansen.