Syscoin halted its bridge after an attacker minted about 5 billion unauthorized SYS through a validation flaw. The token fell more than 7 percent following the incident.
Radiant Capital has started an orderly wind-down of its DAO after failing to recover more than $50 million lost in a 2024 exploit. Borrowing is disabled and RDNT emissions have ended.
Sui Mainnet stopped producing blocks on May 28, 2026, after a network stall. The SUI token fell about 8% as transactions were temporarily paused.
Stake DAO’s Arbitrum deployer key was compromised, allowing 5.4 trillion fake vsdCRV tokens to be minted and swapped for ether. No smart contract flaw was identified.
A third-party contract named SquidRouterModule was exploited for about $3.2 million across Ethereum and Base. Squid states its own router and users were not affected.
Echo Protocol confirmed a compromised admin key allowed minting of 1,000 fake eBTC on Monad. About $816,000 in real value was ultimately extracted.
The European Central Bank has summoned 111 major banks to discuss cybersecurity risks linked to advanced AI models. Officials warn that faster exploit discovery requires quicker patch deployment.
StablR’s EURR and USDR stablecoins lost their pegs on Ethereum after a private key compromise enabled unauthorized minting. About $2.8 million was extracted.
An apparent exploit of Polymarket’s UMA CTF Adapter has resulted in losses exceeding $520,000. The incident comes as DeFi records 19 hacks in May totaling $38.2 million.
ERA Wallet introduces an on-device transaction parsing engine as the Ethereum Foundation launches a Clear Signing standard to address blind signing risks in DeFi.