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Signal >> Blog >> Technology preview: Private contact discovery for Signal

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At Signal, we’ve been thinking about the difficulty of private contact discovery for a long time. We’ve been working on strategies to improve our current design, and today we’ve published a new private contact discovery service. Using this service, Signal clients will be able to efficiently and scalably determine whether the contacts in their address book are Signal users without revealing the contacts in their address book to the Signal service. Signal is social software. We don’t believe that privacy is about austerity, or that a culture of sharing and communication should mean that privacy is a thing of the past. We want to enable online social interactions that are rich and expressive in all the ways that people desire, while simultaneously ensuring that communication is only visible to its intended recipients. This squares technology with intent: when someone shares a photo with their friends, their intent is to share it with their friends. Not the service operator, ad networks, h

Technology preview: Private contact discovery for Signal moxie0 on 26 Sep 2017 At Signal, we’ve been thinking about the difficulty of private contact discovery for a long time. We’ve been working on strategies to improve our current design, and today we’ve published a new private contact discovery service . Using this service, Signal clients will be able to efficiently and scalably determine whether the contacts in their address book are Signal users without revealing the contacts in their address book to the Signal service . Background Signal is social software. We don’t believe that privacy

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