In July 2025, Cash App expanded its use of EMV 3‑D Secure (3DS) with a Data‑Only approach – a mode designed to share rich contextual data with issuers without triggering a step‑up challenge. As a result, our clients saw a 27% month‑over‑month reduction in fraudulent transactions on Cash App traffic. While results will vary by portfolio, these early outcomes reflect how always‑on 3DS data and selective friction can improve both fraud control and customer experience simultaneously. 3-D Secure: The Basics 3-D Secure is a foundational protocol for authenticating card‑not‑present transactions,...