The group chat functionality makes up for that by allowing an unlimited number of users in a group chat. That means you can’t video call more than 1 person at a time. The caveat for using this secure video calling app is that the maximum number of participants is 2. This sealed sender process eliminates all of that to ensure only users can see the media be it calls, videos, documents, or messages. For example, in order to deliver a message, the server would require some information about the recipient and some information from the sender.
Signal uses a “Sealed Sender” token which basically facilitates anonymous delivery of messages and calls between users where a minimal amount of information is disclosed or available to the platform’s servers. What makes Signal messenger one of the most secure video calling platforms is the technology they use apart and end-to-end encryption.
Here’s an image showcasing how E2EE works: By ProtonMail 1. E2EE or End-to-end encryption is basically a communication system where only the users communicating can read the messages or media.
