False news often spreads via public groups, or chats, with potentially fatal effects. It is unclear who runs the account, although Russia's official Ministry of Foreign Affairs Twitter account promoted the Telegram channel on Saturday and claimed it was operated by "a group of experts & journalists." WhatsApp, a rival messaging platform, introduced some measures to counter disinformation when Covid-19 was first sweeping the world. However, the perpetrators of such frauds are now adopting new methods and technologies to defraud the investors. Anastasia Vlasova/Getty Images
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