Expected behavior When i first sign up for DeltaChat or any other time, i can initiate mutuals discovery. This is when I allow DeltaChat to check my contacts if they are already in DeltaChat I will be told if my contact is finally in DeltaChat I know there is a security & privacy concern abo…

[image] irvan-putra: I know there is a security & privacy concern about this so I will refer to Bluesky trying their best to solve that concern by hashing the contact: hashing doesn’t solve the problem, it is not only about server storing phone numbers, but anyone being able to iterate over p…

Discover mutuals

Bots

ian February 3, 2026, 4:40pm 2

I moved this comment to its separate issue:

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