blockchain security
8 stories related to this topic, newest first.
CoinDeskPolymarket Reports $520,000 Drained From Polygon Smart Contracts
Blockchain investigator ZachXBT reported that more than $520,000 was moved from two Polymarket smart contracts on the Polygon network. Polymarket said the incident involved a private key compromise of an internal operations wallet and that user funds and market resolutions remain…
webpronews.comPolymarket Contract Shows Signs of Exploitation With Over $660K Taken
Blockchain monitor @lookonchain reported that Polymarket's contract appears to be exploited. More than $660,000 has been removed so far according to the same report.
benzinga.comProject partners with Ripple to review XRP Ledger for quantum vulnerabilities
A project has partnered with Ripple to conduct an audit of the XRP Ledger's validator, custody, and wallet layers for quantum vulnerabilities. The review aims to advance post-quantum security measures on the ledger.
ambcrypto.comTHORChain Team Identifies Vulnerability Vectors After Suspected $11 Million Exploit Across Multiple Chains
THORChain appears to have suffered an exploit across Bitcoin, Ethereum, BSC, and Base networks. On-chain investigator @zachxbt reported the incident with stolen funds already exceeding $10 million. The extent of the breach and any recovery efforts remain unclear as of May 15, 202…
cointelegraph.comEthereum Foundation Releases New Clear Signing Standard for Transaction Verification
The Ethereum Foundation on Tuesday introduced a new clear signing standard designed to help users better understand and verify crypto transactions before approving them. The initiative aims to reduce wallet scams and malicious transaction approvals across the Ethereum ecosystem.…
medium.comLayerZero Acknowledges Security Configuration Error in $292M Kelp DAO Exploit Tied to North Korean Attackers
LayerZero published a blog on May 9, 2026 reversing its position on the April hack tied to North Korean attackers. The company acknowledged allowing its own decentralized verifier network to secure high-value assets in a risky 1-of-1 configuration. Major clients including Kelp an…
CoinDeskDeFi Protocol Loses $3.5 Million in Security Breach on Sui Blockchain
A decentralized finance protocol on the Sui blockchain suffered a security breach, resulting in the loss of approximately $3.5 million from three vaults. The protocol froze all vaults and coordinated with the Sui Foundation to contain the damage. The incident follows a recent exp…
investopedia.comProject Eleven CEO States Quantum Computing Reaches Paradigm Shift for Crypto Industry
Andrew Pruden, CEO of Project Eleven, stated that quantum computing is undergoing a paradigm shift that the cryptocurrency industry must address. He made the comments ahead of the Consensus 2026 conference in Miami. The statement highlights potential implications for cryptography…