• onlinepersona@programming.dev
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    10 天前

    mobile numbers require government identification in many countries

    Yes and all they will know is “person A has installed signal”. Nothing more. If you haven’t degoogled tour phone or use one with a fruity logo, the government knows that you have the app already. It won’t need phone number.

    • leds@feddit.dk
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      9 天前

      Remember metadata , they also know person A send message to person B at specific time. Of course knowing phone number also gives them your location from cellular towers.