Apps like Venmo and PayPal use these files to store a unique ID on your phone. This helps them identify your device even if you reinstall the app or change hardware identifiers, which is crucial for preventing fraudulent account access or multiple-device scams.
However, many malicious actors use “PNG” deceptively — hiding malware, credential stealers, or config files inside image files. Fb Bin png
Research and community investigations suggest that "fb.bin.png" is a tool used for and fraud detection . Apps like Venmo and PayPal use these files