Short answers about privacy and security in Gua. These topics are linked from inside the app.
End-to-end encryption
Your private conversations are end-to-end encrypted. Messages and calls are locked on your device and can only be opened by you and the people you are talking to. No one in between, including Gua, can read them.
Encryption is on from the first message, with nothing to set up.
Verifying your devices
When you use Gua on more than one device, each device has its own security identity. Verifying a new device confirms it really is yours and lets your encrypted history sync safely. If a device you do not recognize appears, remove it from your security settings.
Backing up your keys
Your encryption keys are what let you read your past conversations. A secure backup lets you recover them if you lose your phone or sign in on a new one, without anyone else being able to unlock them. Keep your recovery method somewhere safe. If you lose it, older encrypted messages may no longer be readable.
When a contact's security identity changes
If someone reinstalls the app or switches phones, their security identity can change. Gua tells you when this happens so you can be sure you are still talking to the right person. If you are unsure, confirm with them through another channel before sharing anything sensitive.
Message history
What history a new member of a group can see depends on the group's settings. In private one-to-one conversations, history stays between you and the other person. You control what you share and with whom.
Deleting your account
You can delete your account and its data at any time, from inside the app. For the steps and what deletion does, see Delete your account.
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