Hashtags For crypto enthusiasts, there was the “gm” app, a self-described “meme app” which only allowed users to greet each other with “gm,” or “good morning,” a common acronym thrown around on Crypto Twitter and Discord. But the gm app was shut down back in September after a hacker reportedly gained access to user data. End-to-end encryption is an important feature in messaging, as it's the first step in protecting users from surveillance. The best encrypted messaging apps The Channel name and bio must be no more than 255 characters long
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