How We’re Building Scam Alert on WhatsApp With End-to-End Encryption and Verifiability Guarantees
Source
engineering.fb.com
Date
Why it matters
On-device classification small enough to run on phone hardware lets a product add ML safety signals without breaking end-to-end encryption — no message content leaves the device and nothing is auto-reported. The write-up states the design principles and verifiability claims to attack.
