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6Perp DEXProgressed· since 2026-06-26Jun 28, 2026

Polymarket Frontend Hack Drains $3.1M From 11 Wallets

The Polymarket frontend supply-chain attack was confirmed to have drained $3.1 million from 11 user wallets, with the platform pledging full compensation to affected users. The incident involved a compromised third-party vendor rather than an on-chain smart contract exploit.

Loss total confirmed at $3.1M across 11 wallets; platform pledged full refunds.

Story timeline · 7 days

  1. Jun 30, 20266
    CFTC 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.

  2. Jun 29, 20265
    Polymarket 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.

  3. Jun 28, 20264
    Polymarket 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.

  4. Jun 28, 20265
    Prediction 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.

  5. Jun 28, 20266· this story
    Polymarket Frontend Hack Drains $3.1M From 11 Wallets

    Loss total confirmed at $3.1M across 11 wallets; platform pledged full refunds.

  6. Jun 27, 20265
    CFTC 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.

  7. Jun 26, 20265
    Polymarket Suffers $3M Frontend Supply-Chain Exploit; Pledges Full User Compensation

Sources · 2