The optimal dimension of the avatar on Telegram is 512px by 512px, and itβs recommended to use PNG format to deliver an unpixelated avatar. For crypto enthusiasts, there was the βgmβ app, a self-described βmeme appβ which only allowed users to greet each other with βgm,β or βgood morning,β 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. 2How to set up a Telegram channel? (A step-by-step tutorial) Find your optimal posting schedule and stick to it. The peak posting times include 8 am, 6 pm, and 8 pm on social media. Try to publish serious stuff in the morning and leave less demanding content later in the day. Telegram Channels requirements & features
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