OpenZeppelin shares lessons from an ERC2771 multicall vulnerability. Obol Network integrates with EigenLayer. EspressoSys outlines its BFT preconfirmation architecture. And P2P releases a staking market report. Sponsor: Harpie is an onchain security solution that protects your wallet from theft in real time. Harpie helps you detect and block suspicious transactions before they execute, safeguarding your assets from malicious attacks and scams. Try Harpie for free at harpie.io/ethdaily.