Should you or your colleagues want to keep their phone number private, they can sign up for a Google voice number and log-in Signal with that. You can sync your contact list on the app to see who is already using the app. A Signal Private Messenger chat group can have 150 users at a time. If you have a group, you can use these features to facilitate the chat. You can lock the app by enabling passcode or fingerprint scan so those that have access to your phone can’t access the app. Other features safety features include group admins, self-destructing message, and two-factor authentication. Like other messaging apps, you can send pictures, videos, links, and recordings to the thread. You can still have one-on-one conversations or create a group chat on Signal. This means coding experts can see the app’s core processes however, Signal Foundation says that this has helped them find more bugs and points of improvement. Is Signal really private?Ī concern you may have is Signal’s publicly available source code. The app does have features that will protect you, but take note that other desktop messaging apps like Messages, Telegram, and WeChat has these as well. There is also an option to block someone if you do not want to talk to him or her. If the person you need to speak with is not yet on Signal, the app allows you to invite via SMS, social networking platforms, or a link. The catch is that both you and the receiver should be sending messages on this app. Average users concerned with their information being intercepted by law enforcement can use this, too. It is for this reason that journalists, government officials can use this app. Using Signal, your information is kept hidden from your phone service providers or state agencies.

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