WuBlockchain forwarded a post from Eduardo Antuña, a core contributor to the Ethereum Economic Zone (EEZ), announcing that the first-ever atomic cross-chain L1-to-L2 transaction has been executed on the Ethereum mainnet. Antuña emphasized that atomic synchronous composability is no longer merely theoretical, marking a significant milestone for EEZ's roadmap in bridging seamless cross-layer execution across the Ethereum ecosystem.