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A comment on Keep your phone number private with Signal usernames. Parent comment

Re:Keep your phone number private with Signal usernames by fsflover on Wednesday February 21, 2024 @04:13AM (#39451687)
https://news.ycombinator.com/item?id=39414322
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Re:Keep your phone number private with Signal usernames by Summershard on Wednesday February 21, 2024 @04:27AM (#39451766)
Well, TIL. That does not refute my comment, though. Signal still does not know who you chat with. It's the cloud provider who might log the IP address of the sender. Identifying the person based on that information alone would be non-trivial if not simply impossible.
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Re:Keep your phone number private with Signal usernames by fsflover on Wednesday February 21, 2024 @05:51AM (#39452304)
> Signal still does not know who you chat with. It's the cloud provider

To me, it's much worse. A non-profit doesn't have my data but Amazon (and NSA) does. With Amazon's scale, it must be trivial to identify everyone.

See also: https://news.ycombinator.com/threads?id=autoexec&next=394457...

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