The Live Auction App Where People Can Bid ‘Til They’re Broke

Whatnot is one of the fastest-growing shopping platforms in the U.S., featuring live auctions that allow users to bid on trading cards, rare coins, designer fashions and more. But as WSJ’s Hanna Krueger explains, critics say Whatnot’s high-pressure countdowns and swipe-to-bid design encourage overspending and gambling addiction, claims the company denies. Je…