Postcard from 2035, Privacy, zk-SNARKs, Account Security
Postcard From 2035 #6: They Just Asked for the Code
A postcard from 2035: they didn't break your encryption, they just asked for your code. Without 2FA, a 6-digit SMS code can hijack Telegram, WhatsApp or Signal. Z-TEXT has no phone number, so there's no code to steal.