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MARKETS 60-second read

Polymarket halts trading after breach drains users’ accounts

Published: 1 min read
An empty server room corridor lit by cold blue light, rows of dark racks fading into shadow.

Polymarket says it has fixed the issue after a third-party provider was compromised.

The hit

Polymarket said on Thursday it had suspended trading after one of its providers was compromised. Users had reported on X that their accounts were drained without approval. CoinDesk confirmed accounts on the international platform were emptied.

Why it matters

Context: a breach that drains user funds, even via a third party, tests confidence in a platform processing real money on real-world outcomes. Traders will watch whether Polymarket’s reimbursement is swift & complete, & whether the incident prompts scrutiny of the security practices of the providers prediction markets rely on.

The record

Breach disclosed Thursday, via Polymarket’s status page
Platform affected Polymarket’s international venue
Cause A compromised third-party provider, per Polymarket
Polymarket’s response Issue fixed, trading halted, case referred to law enforcement
User compensation Polymarket says affected users will be made whole

What happens next

Watch for Polymarket’s update on when trading resumes.

Sources: Polymarket suspends trading after third-party breach leads to user losses

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