Polymarket's US business mishandled debit card fraud, involving amounts exceeding $10 million

Polymarket, a predictive market platform, mishandled debit card fraud during its business expansion in the United States. In February of this year, its payment processing company discovered a large number of fraudsters using stolen debit cards to place bets and withdraw funds, involving at least $10 million. During peak periods, fraudulent deposits accounted for over 80% of the total. (Source: The Wall Street Journal)