Threat actors have started to use ‘Promoted’ tweets, otherwise known as Twitter ads, to spread cryptocurrency giveaway scams. These scams pretend to be from well-known people or companies, such as Elon Musk, Tesla, Gemini Exchange, and, more recently, Chamath Palihapitiya, and Social Capital. One round of scams generated over $580,000 in a single week. Scammers have also begun to target other cryptocurrencies such as Dogecoin, Bitcoin and Doge.
Source: https://www.bleepingcomputer.com/news/security/scammers-promote-fake-cryptocurrency-giveaways-via-twitter-ads/