Each account can create up to 10 public channels Telegram Channels requirements & features The visual aspect of channels is very critical. In fact, design is the first thing that a potential subscriber pays attention to, even though unconsciously. The optimal dimension of the avatar on Telegram is 512px by 512px, and itโs recommended to use PNG format to deliver an unpixelated avatar. Earlier, crypto enthusiasts had created a self-described โmeme appโ dubbed โgmโ app wherein users would greet each other with โgmโ or โgood morningโ messages. However, in September 2021, the gm app was down after a hacker reportedly gained access to the user data.
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