4 ms·
> Both parties _already have_ each other's phone number as a unique identifier. Do both parties need to have each other's phone number or is enough that one pa
by galfarragem 6y ago
> Both parties _already have_ each other's phone number as a unique identifier.
Do both parties need to have each other's phone number or is enough that one party has the other's phone number for the contact suggestion? I couldn't find it clearly stated in the article.
Practical example: someone has a spam list of phone numbers in his contact list. Will Signal suggest passively profiles that match that numbers?
- hunter2_ 6y agoLet your "someone" be Bob and anyone on his "spam list" be Alice, and you've made it a given that Bob's contacts include Alice. If Alice installs Signal and Alice's contacts include Bob, then yes both parties will see the other suggested in their Signal app. Else no. In the past Alice could assume Bob is capable of receiving phone calls and SMS, and now Alice could assume Bob is capable of receiving phone calls and SMS and Signal messages. Is it too revealing for people to be able to know this 1 extra thing when they already knew 2 extremely similar things?