Signal is the world’s most widely used truly private messaging app, and our cryptographic technologies provide extra layers of privacy beyond the Signal app itself. Since launching in 2013, the Signal Protocol—our end-to-end encryption technology—has become the de facto standard for private commu...
Without SMS verification, spam would be so much worse that they’ve been kind of obliged to keep it, even though it defeats/undoes most of the privacy features they like to advertise about