WIRED · 2026-10-29 19:52 UTC

Polymarket Halted International Trading After Hackers Drained Accounts

Polymarket halted international trading after a UK-based third-party vendor was breached, affecting approximately 700 users and resulting in $2.7 million stolen. The hack did not impact Polymarket US; trading has resumed and the company says affected traders will be refunded. This is the second major security incident for Polymarket in 2026; the company was valued at $21 billion after raising $1 billion in August.

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