regulation
Circle freezes Zama's cUSDC wrapper for $12.6M on TRO from federal court
A U.S. federal TRO in Newton AC/DC Fund v. Ermilov forced Circle to blacklist Zama's cUSDC contract at 01:08 UTC on May 30, 2026, locking 12.6M USDC.
Stories tagged: #ethereum
exploit
Gravity Bridge halted after $5.4M drain on suspected key compromise
Cosmos-Ethereum Gravity Bridge lost ~$5.4M on May 30. Peckshield and on-chain analyst Specter call it a signing key compromise. Team halted validators; attacker holds ~2,102 ETH.
protocol
Ethereum Foundation ships Kohaku Railgun SDK alpha-22 with ERC-4337 relaying
The Kohaku privacy SDK landed @kohaku-eth/railgun v0.0.1-alpha.22 on May 26 — brotli compression, ERC-4337 mempool relaying operational. Tornado Cash and Privacy Pools modules still in dev.
exploit
Bybit cold wallet drained for ~$1.5B; Lazarus signatures on-chain
Bybit's primary ETH cold wallet lost about 401,000 ETH on Feb 21, 2025 via a Safe{Wallet} UI manipulation. Arkham and the FBI attribute the attack to Lazarus.
protocol
Ethereum activates Pectra at epoch 364032 — EIP-7702 ships
Pectra went live on Ethereum mainnet on May 7, 2025. Eleven EIPs ship together; EIP-7702 gives EOAs temporary contract code, EIP-7251 raises the validator effective-balance cap to 2048 ETH.