The Ethereum Economic Zone's core software is in an early-stage, unaudited phase, with full bidirectional composability, nested cross-chain calls, and real-time zero-knowledge proving on the roadmap through 2027.

From the articleEthereum Economic Zone Runs Atomic L1-L2 Transfer on MainnetAlso in Ethereum Economic Zone executes first atomic L1-to-L2 transaction on mainnet, Ethereum could make moving between L1 and L2 much easier, EEZ's first atomic L1-to-L2 call moves just 0.001 ETH