Polymarket Suspends Trading Amid Security Breach Investigation
The prediction market platform has halted trading after users reported unauthorized fund withdrawals.
The prediction market platform has halted trading after users reported unauthorized fund withdrawals. POL (ex-MATIC) (POL) is trading at $0.0914, down 0.9% since this brief published. This is an original TLT brief based on reporting by Decrypt, with live market data added, as of Thu, 29 Oct 2026 20:15:01 UTC.
The incident raises concerns about the security of decentralized prediction markets and could impact user trust and platform liquidity.
- Polymarket has paused trading and relayer actions due to a suspected security breach.
- An attacker wallet holds approximately $2.65M in POL tokens.
- Polymarket's total value locked (TVL) is $360.78M, down 2.7% in the past week.
- The incident coincides with a neutral market sentiment and flat crypto market conditions.
Polymarket, a decentralized prediction market platform, has suspended trading and relayer actions following reports of a potential security breach. Users have reported unauthorized withdrawals from their accounts, prompting the platform to take immediate action to secure funds and investigate the incident.
According to Arkham data cited by Decrypt, an attacker wallet currently holds approximately $2.65 million in POL tokens, the platform's native cryptocurrency. This figure represents a significant sum and suggests the breach may have been substantial.
On-chain data from DeFiLlama confirms that Polymarket's total value locked (TVL) stands at $360.78 million, marking a 2.7% decrease over the past week. This decline may be related to the security incident and subsequent trading suspension.
The broader crypto market remains relatively stable, with a total market cap of $2.77 trillion. 
Bitcoin is down 0.42% in the last 24 hours, and the overall market sentiment, as measured by the Fear & Greed Index, is neutral at 51. The POL token has experienced a slight increase of 0.28% in the past day and is up 2.15% over the week, currently trading at $0.092263.
The incident highlights the ongoing challenges of security in decentralized finance and could impact user confidence in prediction market platforms. Investors and users will be closely watching for updates from Polymarket on the investigation and any measures taken to prevent future breaches.
Since this brief published about 1 hour ago, POL (ex-MATIC) (POL) has moved from $0.0923 to $0.0914 — -0.89%.
The chart plots POL's price: grey is the move before this brief published, the vertical dashed line marks the moment it published, the horizontal dashed line is the price then, and the coloured area is the move since — from TLT's market data (daily resolution). It shows what happened after the news, not that the news caused it; many factors move prices. Not financial advice.
At today's peer-to-peer rate, 1 POL ≈ ₦126.25 (about $0.0914), down 0.8% over 24 hours. The naira itself trades about 2.5% above the official rate on the P2P market, so a Nigerian buyer's effective cost differs from the headline dollar price.
Live market data
Current prices for the asset in this story — live, source-stamped, updated every 15 minutes.
Figures and sectors in this story, checked live against on-chain aggregators · October 29, 2026.
TLT reads these figures directly from on-chain aggregators (DeFiLlama, mempool.space) at build time — independent of what any outlet reported. Sector totals aggregate every protocol DeFiLlama tracks in that category. Values are live and will change.
Polymarket Suspends Trading Amid Security Breach Investigati — questions & answers
What is Polymarket doing in response to the security incident?
Polymarket has suspended trading and relayer actions to investigate the breach and secure user funds.
How much POL was stolen in the attack?
An attacker wallet holds approximately $2.65 million in POL tokens.
What is Polymarket's current TVL?
Polymarket's TVL is $360.78 million, down 2.7% over the past week.
How much is 1 POL (ex-MATIC) worth in naira today?
About ₦126.25 at the live peer-to-peer (P2P) USDT rate, which is what Nigerians typically trade at — equivalent to roughly $0.0914. The naira price moves with both POL's US-dollar price and the USDT/NGN rate; use our POL (ex-MATIC) in naira page for any amount.
Has POL (ex-MATIC)'s price moved since this brief was published?
POL is down 0.89% since this brief first published — trading at $0.0914 now versus $0.0923 at publication. TLT re-checks this figure against CoinGecko and Binance every 15 minutes.
Which outlets reported this story?
This is an original TLT brief that synthesises reporting from Decrypt. It is not a copy of any one article — follow the source links above for the original reporting.
Original summary — not financial advice. This is an original TLT brief that summarises a development reported elsewhere and adds live market data for context; it is not the original article and reproduces no part of it. Follow the source link above for full details. Crypto is volatile and high-risk — always do your own research.