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I came to the comments to see how this can even be done. It seems like a classic case of a CEO promising something that engineering can't deliver, but Zuck is q

I came to the comments to see how this can even be done. It seems like a classic case of a CEO promising something that engineering can't deliver, but Zuck is quite technical himself so I'd be surprised by that. AFAIK, end to end encryption can't really support having multiple clients all using the same account. For example, WhatsApp's web interface is sort of wonky and goes via the phone, to get around the limitations, and I can't really see that being a solution here. Of course, "end to end" encryption from a Messenger on the website is sort of meaningless anyway.

wtmt 8y ago
> AFAIK, end to end encryption can't really support having multiple clients all using the same account. Improving your AFAIK here. Signal Desktop works independently without proxying communications through the phone (which is what WhatsApp does). Wire supports multiple platforms (Windows, Mac, mobile) and syncs chats across all of them with end to end encryption. There are different ways to do this. It's just that WhatsApp didn't implement it.
- losvedir 8y ago
  Oh interesting, thanks! Do you have any references on how Signal Desktop works and keeps the messages in sync across clients? Do they have separate keys, etc?