Chainalysis

Chainalysis provides software and data that trace and risk-score activity on public blockchains. Crypto businesses use it to screen transactions and wallets for sanctions and illicit exposure, while financial institutions and government agencies use it to investigate cases and follow funds across chains. Its products cover transaction monitoring, address screening, investigation graphs, and fraud prevention following its acquisition of Alterya, plus data licensing for research and analytics. The company serves exchanges, banks, payment firms, law enforcement and regulators in many countries.