
FILE PHOTO: The logo for Coinbase Global Inc, the biggest U.S. cryptocurrency exchange, is displayed on the Nasdaq MarketSite jumbotron and others at Times Square in New York, U.S., April 14, 2021. REUTERS/Shannon Stapleton/File Photo
(Reuters) - Shares of the largest publicly listed U.S. crypto exchange Coinbase slipped in premarket trading on Monday, after a surge in traffic following a Super Bowl advertisement resulted in the app crashing briefly over the weekend.
A floating, colorful QR code was displayed during NFL's title game, the biggest U.S. TV event of the year, and it redirected people to a link that offered $15 in bitcoin to those who sign up for a Coinbase account before Feb. 15.
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