
ZachXBT flags $520K Polymarket exploit on Polygon, team says funds are safe
Blockchain investigator ZachXBT discovered a $520,000 exploit on the Polymarket platform. The Polymarket team has confirmed the issue but stated that user funds are secure.
58 stories about Exploit from across the crypto press, curated and summarized daily. Most recent: Oct 24, 2026.

Blockchain investigator ZachXBT discovered a $520,000 exploit on the Polymarket platform. The Polymarket team has confirmed the issue but stated that user funds are secure.

The Map Protocol token (MAPO) lost 96% of its value after an attacker exploited a cross-chain bridge to mint a quadrillion tokens. The exploit resulted in a massive loss of over $2.5 billion in value for MAPO holders.

Echo Protocol, a Bitcoin-based DeFi platform, reported a $76 million exploit due to a compromised admin key. The incident highlights ongoing security risks in decentralized finance.

Aave, a major DeFi lending platform, has lifted borrowing restrictions on ether (ETH) after recovering from a $230 million exploit in April. This move signals growing confidence in the protocol's security as the crypto market stabilizes.

A security breach has drained $11.6 million from the Verus-Ethereum bridge, affecting 103.6 tBTC, 1,625 ETH, and 147,000 USDC. Peckshield flagged the exploit, highlighting the ongoing risks in cross-chain bridges.

THORChain, a decentralized exchange, suffered a major exploit affecting Bitcoin, Ethereum, and Binance Smart Chain. Hackers stole over $10 million, highlighting security vulnerabilities in cross-chain transactions.

THORChain has confirmed a $10 million exploit and launched a recovery portal for affected users. The portal allows users to revoke malicious approvals and claim refunds across four blockchain networks.

Lombard is the latest project to abandon LayerZero's cross-chain bridge, shifting $4 billion to Chainlink's alternative. This follows a $292 million exploit on LayerZero's Kelp DAO bridge, raising security concerns.

Thorchain, a cross-chain liquidity protocol, paused all trading after a $10.8 million exploit. The attack affected Bitcoin, Ethereum, BSC, and Base networks, causing the RUNE token to drop 12%.

Aave has started a binding vote on Arbitrum to transfer $71 million in disputed ETH. The funds are tied to a 2024 exploit, with creditors and Aave in a legal battle over ownership.