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Illustration: Rebecca Zisser/Axios

A number of prominent Twitter accounts, including those of Joe Biden, Barack Obama, Bill Gates and Elon Musk, appear to have been compromised Wednesday, posting messages tied to a cryptocurrency scam.

The latest: Twitter temporarily disabled all verified accounts from tweeting for several accounts. At about 8:45 pm ET, Twitter said in a statement: "Most accounts should be able to Tweet again. As we continue working on a fix, this functionality may come and go. We're working to get things back to normal as quickly as possible."

Why it matters: Twitter has become a key source of communication, and people generally assume the content posted by an account is from the person who owns the account, increasing the likelihood of a scam being successful.

  • One bitcoin wallet linked to the scam appears to have received the equivalent of over $100,000, according to CNBC.

Details: The accounts of Jeff Bezos, Mike Bloomberg and Kanye West, as well as companies Apple, Bitcoin.org, Coinbase and Ripple, were similarly compromised, in addition to several others.

  • Late Wednesday, Twitter posted: "We detected what we believe to be a coordinated social engineering attack by people who successfully targeted some of our employees with access to internal systems and tools."
  • A Biden spokesperson said in a statement, "Twitter locked down the account immediately following the breach and removed the related tweet. We remain in touch with Twitter on the matter."

Go deeper

Dion Rabouin, author of Markets
Oct 22, 2020 - Economy & Business

PayPal brings bitcoin to the mainstream

Expand chart
Data: Investing.com; Chart: Axios Visuals

PayPal's decision to allow customers to hold bitcoin and other virtual currencies in its online wallet and shop using cryptocurrencies sent the value of bitcoin soaring on Wednesday.

Why it matters: With 346 million active accounts around the world and 26 million merchants, PayPal could bring cryptocurrencies into mainstream acceptance.

Updated 59 mins ago - Sports

Katie Ledecky wins gold in first women's 1500m freestyle

Team USA's Katie Ledecky celebrates after winning the final of the women's 1,500m freestyle swimming event during the Tokyo 2020 Olympic Games at the Tokyo Aquatics Centre in Tokyo on Wednesday. Photo: Attila Kisbenedek/AFP via Getty Images)

Katie Ledecky took home the Olympic gold medal in the women's 1,500-meter freestyle swimming race Tuesday evening, becoming the first female swimmer to win the newly added division. Team USA's Erica Sullivan won silver.

Of note: The Tokyo Games mark the first time that the long-distance race has been open to women, and Ledecky paid tribute to her predecessors after the race. "I just think of all the great U.S. swimmers who didn’t have a chance to swim that event," she said on NBC.

Updated 1 hour ago - Sports

Olympics dashboard

Katie Ledecky celebrates with teammate Erica Sullivan after winning the women’s 1500m freestyle final. Photo: Tom Pennington/Getty Images

🚨: Katie Ledecky wins gold in first women's 1500m freestyle

🤸🏾‍♀️: Simone Biles pulls out of gymnastics team finals, citing her mental health

🎾: "This one sucks more than the others," Naomi Osaka says on upset loss

⚽️: USA women's soccer ties Australia, propelling them to the quarterfinals

🏊‍♀️: Teen swimmer Lydia Jacoby wins first U.S. women's Tokyo Games gold

👟: World Athletics president supports reviewing marijuana rules in doping

🏄‍♀️: American Carissa Moore wins first-ever women's Olympic gold in surfing

Go deeper: Full Axios coverage - Medal tracker