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greysonp 6 days ago

Hi there!

> So IIUC backups will not be incremental

Nope! It's very much incremental :) At least the media is. There's one blob of containing all of your messages+metadata which does have to be re-uploaded every night, but for most people that's gonna be somewhere in the low-tens of MB. Your attachments are uploaded incrementally one at a time, typically as they're sent/received, so you usually don't even have to wait to upload them at backup-time.

> Both recovery key and Signal PIN seem to serve the exact same purpose, though, namely restoring data (conversations, contacts, account, …)? Why not unify them?

This was a hard decision and something we went back and forth on. But at the end of the day, we felt the safest thing we could do for now is to use a completely separate strong, random key. We're very aware of all the trade-offs involved, but this is where we landed.

tgsovlerkhgsel 6 days ago | parent | next [-]

Thank you for choosing the "strong random key" rather than "sketchy PIN+SGX" option. This decision recovered my trust in Signal after the previous Signal PIN fiasco.

codethief 6 days ago | parent | prev [-]

> Nope! It's very much incremental :)

That's great to hear, thanks so much!