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Polymarket Halts Trading After Users Report Stolen Funds

The incident puts user reimbursement and platform security under scrutiny as Polymarket investigates a compromised third-party provider.

Multiple Polymarket users reported unauthorized fund transfers, with some claiming losses of hundreds of thousands of dollars. The platform said it identified and fixed an issue involving a compromised third-party service provider, and temporarily halted trading while it investigates and works to restore operations.

Why it matters

The reports renew scrutiny of third-party security risks for platforms that hold or facilitate access to user funds. Polymarket said it referred the incident to law enforcement and pledged to fully reimburse affected users.

Market impact

Polymarket has moved to cancel-only mode and paused relayer actions during the investigation. The platform previously reported a third-party vendor breach that led to approximately $3 million in stolen user funds, and said that vulnerability had been fixed and affected users would be reimbursed. The immediate focus is on the investigation, reimbursement and restoration of trading.

Frequently asked questions

  1. What happened to Polymarket users' funds?

    Multiple users reported unauthorized transfers, with some claiming losses of hundreds of thousands of dollars. Polymarket said an issue involving a compromised third-party service provider had been identified and fixed.

  2. Why did Polymarket halt trading?

    Polymarket temporarily halted trading as a precaution while investigating the incident and working to restore platform operations.

  3. What restrictions did Polymarket put in place?

    The platform entered cancel-only mode and paused relayer actions during its investigation.

  4. Will affected Polymarket users be reimbursed?

    Polymarket pledged to fully reimburse all affected users and said the incident had been referred to relevant law enforcement authorities.

  5. How does this incident relate to Polymarket's earlier breach?

    Polymarket previously reported a third-party vendor breach that led to approximately $3 million in stolen user funds. It said that vulnerability had been fixed and affected users would be reimbursed.

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Aggregated from WuBlockchain · Verified · Last refreshed 49m ago
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