aelf stands as the forefront of blockchain cloud infrastructure, boasting a highly secure and advanced platform that features segregated, infinitely scalable cloud computing networks, thereby paving the way for a decentralized future. Its innovative approach includes cross-chain interoperability and a sophisticated multi-level main-side chains architecture, setting the stage for the Blockchain 3.0 era with unmatched cross-chain technology. Through the public beta testnet, users can explore core functionalities of the aelf main network, including node setup and elections, mining incentives, sidechain configuration, cross-chain interactions, DApp deployments, and much more. The platform offers a comprehensive toolkit for application development tailored to meet the diverse needs of developers seeking to build on decentralized blockchain layers. Furthermore, the aelf community actively engages in shaping the ecosystem, fostering progressive development through various governance mechanisms such as the aelf DAO, node elections, resource procurement, and proposal submissions, thereby reinforcing a collaborative environment for all participants. This collaborative approach not only enhances the network's functionality but also empowers its members to contribute meaningfully to its evolution.