Cross-Layer Data Exchange refers to the process of sharing and transferring data between different blockchain layers or networks. These layers can include Layer 1, which is the base layer of a blockchain, and Layer 2 solutions that aim to enhance scalability and speed.This exchange enables interoperability among various blockchain platforms, allowing them to communicate and share information effectively. For instance, this can facilitate transactions where assets from one blockchain are used within another, enhancing liquidity and utility.It can also improve user experience by providing seamless access to applications and services spread across diverse platforms. By connecting different blockchain environments, developers can create more versatile decentralized applications (dApps) that leverage the strengths of multiple layers.Ultimately, Cross-Layer Data Exchange aims to create a more integrated ecosystem, promoting collaboration and innovation among various blockchain projects. This exchange fosters an environment where different layers can work together, leading to improved efficiency and broader adoption.