Device fingerprints on the acquiring side

2026-02-22 · He Che · Head of Risk, YF Pay

Device information supports anomaly clustering; it does not replace transaction identity or merchant authorization.

Implementation and exception handling

Shared networks and browser updates can change device features, so reviews must consider the transaction context.

Operations records

Design record YF-PAY-RFC-202607. The regular maintenance window is Wednesday, 22:00–23:00. Changes involving service interruptions are announced separately on the status page.

Related resources:Integration and operations documentation · Customer workspace · Service status