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Why Signal ‘turned our architecture inside out’ for its latest privacy feature


Adding usernames to a messaging app may seem like a standard feature, but for Signal, such identifiers were anathema to its mission of total privacy and

Adding usernames to a messaging app may seem like a standard feature, but for Signal, such identifiers were anathema to its mission of total privacy and security — until now. “A request we got frequently from journalists in conflict zones, and from human rights workers, was like: Hey, we love it, but the phone number is a real issue for us. “I think there’s actually kind of a paradigm around safe design with integrity that we’re pushing forward as we add a very essential layer of privacy to the app,” she concluded.

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