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Re:Looking back at how Signal works by em-bee on Friday June 05, 2020 @09:04PM (#23435857)
how does having phone numbers help with storing contacts in the client? they could store any other contact id just as well.

the only thing that phone numbers help with is discovability of signal users among your existing phone contact list.

that is something i explicitly do not want. ever.

telegram and wechat allow to block being found via phone numbers.

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