These tools screen blockchain addresses to detect illicit activity, sanctions exposure, and high-risk transaction histories before funds move. Crypto platforms, payment processors, and financial institutions rely on them to maintain anti-money laundering compliance, block fraud, and flag ties to darknet markets or mixers in real time. When selecting a service, prioritize the breadth of supported blockchain networks, the speed and reliability of the screening API, and the ability to customize risk-scoring rules to fit your exact compliance policies.

The MCP server for identity verification and fraud checks