U.S. authorities are intensifying their examination of payment infrastructure following fraud allegations. The investigation has flagged approximately $1.2 trillion in transactions for review as part of a broader probe into potential abuse within the payments ecosystem. This regulatory scrutiny underscores growing government focus on financial system integrity and institutional accountability. The magnitude of the investigation reflects heightened vigilance toward payment mechanisms that could facilitate illicit activities, signaling a shift toward stricter compliance frameworks across traditional finance channels.