Hi Product Hunt, Today, I present to you a video chatting and calling app which is absolutely free to use. JusTalk is a free, simple, reliable and fun voice & video calling app. It allows people to communicate visually and share information efficiently. With JusTalk, you will never miss a moment! JusTalk is available cross platform, including iOS and Android. You can download JusTalk in Google Play, App Store and other application stores. Justalk want to make communication more fun with interactive functions, including doodle, emoji and games. In addition, Justalk always attach great importance to privacy and security issues of our users. Therefore, information and call data are end-to-end encrypted. All of the data are split into multiple random paths to ensure that calls cannot be monitored or saved by servers. JusTalk Plus Membership will provide more premium features for loyal members, like free international calls. Justalk wish to provide fast and reliable mobile video calling services to their users, not only to enrich application scenarios of their life, but also to connect more cross-platform devices for them.

Which encryption protocol/stack is being used?