Original sourcecryptotimes.io
Summary
According to a WSJ report, Polymarket US faced an attempted fraud of about $10 million in February 2026, involving stolen financial cards being used to top up thousands of new accounts and then withdraw to clean cards or accounts. Checkout.com flagged a February surge in top-ups, 80% of which were…
Key points
- Payment risk, compliance, and prediction market product teams can use this to understand the trade-off costs between instant withdrawals and anti-fraud protection.
- Relaxing withdrawal protections in pursuit of growth can create a fraud opening ripe for large-scale arbitrage in a regulated prediction market product.
- Card payment service providers and platform operators need to rebalance withdrawal speed against same-source verification and strengthen real-time detection of concentrated anomalous accounts.
Editorial note
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