The regulator said it has been undertaking several campaigns to educate the investors to be vigilant while taking investment decisions based on stock tips. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. For example, WhatsApp restricted the number of times a user could forward something, and developed automated systems that detect and flag objectionable content. Despite Telegram's origins, its approach to users' security has privacy advocates worried. "This time we received the coordinates of enemy vehicles marked 'V' in Kyiv region," it added.
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