According to Odaily, Layer1 project XION has announced the integration of the modular interoperability layer Union, aiming to facilitate seamless cross-chain interactions. XION's L1 protocol, which operates without the need for a wallet, encompasses various aspects of chain abstraction technology, including account abstraction, signature abstraction, and price abstraction. The integration with Union, leveraging ZK technology, is expected to enhance transaction speed, security, and messaging capabilities.