Polymarket Halted International Trading After Hackers Drained Accounts
Corroborated by 5 sources from 5 publishers
TL;DR
Trading has resumed on Polymarket’s flagship international platform after a hack that drained money from the wallets of some traders. A third-party vendor based in the United Kingdom was breached, not the prediction market’s website itself.
Sources
1
Forbes Business
https://www.forbes.com/sites/conormurray/2026/10/29/polymarket-fully-reimbursing-users-after-halting-international-trading-amid-compromised-third-party-provider
2
Wired
https://www.wired.com/story/polymarket-flagship-platform-hack-traders-lose-money
3
ABC News U.S. Headlines
https://abcnews.com/US/wireStory/polymarket-paused-international-trading-after-security-issue-involving-137687492
4
The Guardian (World)
https://www.theguardian.com/world/2026/oct/29/polymarket-temporarily-suspends-trading-security-incident
5
CNBC Top News
https://www.cnbc.com/2026/10/29/polymarket-reports-outage-on-international-exchange-halts-trading.html