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There is one fact that @threemaapp knows and is in the white circle. It's the threema ID. ;-)
@txt_file The Threema ID is a random string, and you don’t have to tie any personal information to it. While we do know that a particular Threema ID exists, we don’t know whether it’s yours, cf. https://threema.ch/faq/get_my_data. ^pr
@txt_file @threemaapp Is it? I don’t know my Threema ID, I would have to look it up.