Mastercard brings fraud and sanctions screening to stablecoin payments

Mastercard announced the launch of Stablecoin Security at Money20/20 USA on October 19, 2026, which enables banks to identify fraud and sanction risks ahead of time when their clients make stablecoin payments on-chain. The company isn’t building another payment network. It aims to provide the risk intelligence needed by banks as more business payments move onto public blockchains. A risk score before funds move on-chain Mastercard has stated that its API is functional across various blockchain platforms and uses payment data and blockchain analytics. Prior to authorizing a payment, the API identifies the source of funds, reviews for potential signs of fraud and sanctions exposures, and assigns a score based on identified level of risk. Borderless.xyz and Keyrails are the first partners.

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