Polymarket Frontend Hack Total Confirmed at $3.1M From 11 Wallets; Refund Pledge Under Scrutiny

The Polymarket frontend supply-chain exploit was confirmed to have drained $3.1 million from 11 user wallets through a compromised third-party vendor. The platform's pledge to fully compensate affected users faced scrutiny as the refund process progressed.
Losses confirmed at $3.1M from 11 wallets; platform's refund pledge faces ongoing credibility scrutiny.
Story timeline · 7 days
- Jun 30, 20266CFTC Launches Broad Investigation Into Polymarket Covering Social Media and Wash Trading
CFTC investigation scope expanded publicly to include social media activities and wash trading; separate CFTC probe expansion reported.
- Jun 29, 20265· this storyPolymarket Frontend Hack Total Confirmed at $3.1M From 11 Wallets; Refund Pledge Under Scrutiny
Losses confirmed at $3.1M from 11 wallets; platform's refund pledge faces ongoing credibility scrutiny.
- Jun 28, 20264Polymarket Faces Formal CFTC Investigation and Multi-State Scrutiny
CFTC probe now described as formal investigation alongside multi-state pressure, extending prior reporting on regulatory scrutiny and fake bets allegations.
- Jun 28, 20265Prediction Market Weekly Volume Hits $14.4B Record for Third Consecutive Week
Prediction market trading volume rose to $14.4B in weekly volume, hitting a record for the third straight week according to a16z data.
- Jun 28, 20266Polymarket Frontend Hack Drains $3.1M From 11 Wallets
Loss total confirmed at $3.1M across 11 wallets; platform pledged full refunds.
- Jun 27, 20265CFTC and Multiple US States Investigate Polymarket; Platform Reports $1B Annualized Revenue
CFTC formal investigation launched with multiple US states and consumer groups simultaneously applying pressure; $1B annualized revenue milestone added.
- Jun 26, 20265Polymarket Suffers $3M Frontend Supply-Chain Exploit; Pledges Full User Compensation