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...
The sms cost is for account creation and verification on new devices, being an sms client didn’t cost anything aside from maintaining that portion of the app
The sms cost is for account creation and verification on new devices, being an sms client didn’t cost anything aside from maintaining that portion of the app