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by foota 2380 days ago
Maybe the concern is exfiltration? Making it easier to move phones may also make it easier for a hacker to exfil your data from a local hack or your phone's cloud (i.e., just hack your Icloud and trigger restore to a new phone)
1 comments

Unencrypted data/keys should never be in the backup, only data encrypted to some passphrase. It's perfectly fine (and necessary) to require a passphrase to recover backed up logs on the new device.
Signal has had the ability to export chat backups for a long time. I'm not sure why people would complain other than the export is local and you have to manage migration to new device by copying files instead of it being saved on a server and uploaded to your new device after you lose an old one.

Also, identity is persistent since you're using a phone number and signal attaches the name you list to that phone number with a registration passcode that must be entered intermittently to keep receiving messages.

That was only added to the Android version. Not possible on iOS.
* on Android