The Wall Street Journal reports that fraudsters exploited Polymarket by placing wagers with stolen debit card information, then withdrawing winnings into accounts they controlled. A payment processor working with Polymarket flagged the scheme as early as February, rejecting over 80 percent of incoming transactions as fraudulent — far above the roughly 1 percent industry norm — with attempted fraud totaling at least $10 million.
futurism.com
· 2026-09-26
Prediction market Polymarket allowed a scheme involving stolen debit cards to proceed despite internal warnings, with CEO Shayne Coplan reportedly dismissing concerns raised about the fraud. The company is now moving to strengthen its executive leadership team as it positions itself for a potential public listing.
wsj.com
· 2026-09-20
Starting September 9, Australian law requires online game and app storefronts to verify that buyers are over 18. Steam is meeting this requirement by asking users to link a bank card rather than submit government ID or biometric data, mirroring the approach it already uses in the UK. Credit cards work reliably since Australian issuers only give them to adults, but debit cards—often held by minors—only pass verification under narrower conditions tied to specific bank and network flags.
tomshardware.com
· 2026-09-10
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