End-to-end encryption is an important feature in messaging, as it's the first step in protecting users from surveillance. The optimal dimension of the avatar on Telegram is 512px by 512px, and itโs recommended to use PNG format to deliver an unpixelated avatar. The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be: Those being doxxed include outgoing Chief Executive Carrie Lam Cheng Yuet-ngor, Chung and police assistant commissioner Joe Chan Tung, who heads police's cyber security and technology crime bureau.
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