personal messenger app opinion:

all messengers, in one way or another, have to balance between security and usability.

for example, end-to-end encryption by its very definition makes it very hard to sync message histories between different sessions (say, desktop app vs mobile app).

not using phone number as user id will make it harder for people to find new users via their contact list, as will decentralizing the network.

it's all a trade-off, either in favor of security or user-friendliness.

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@devurandom actually. Using phone numbers as an identifier for user lookup on a third party server is a violation of European law.

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chaos.social

chaos.social - because anarchy is much more fun with friends.
chaos.social is a small Mastodon instance for and by the Chaos community surrounding the Chaos Computer Club. We provide a small community space - Be excellent to each other, and have a look at what that means around here.
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The primary instance languages are German and English.