ChainCatcher message, jointly announced by the "Spark·Chain Network" led by the China Academy of Information and Communications Technology and Ant Chain, that the blockchain domain name service system (BCDNS) and relayer service developed by both parties have been open-sourced, allowing developers to directly access these resources through the GitHub community. The BCDNS blockchain domain name service can be seen as a digital identity system used to bind unique identities across different chains; the relayer network plays a core role in cross-chain communication, responsible for securely and reliably delivering messages from the source chain to the target chain.In the future, "Spark·Chain Network" and Ant Chain will continue to explore and research secure cross-chain mechanisms based on the IEEE-P3205 standard among different heterogeneous chains in the cross-chain field, aiming to achieve secure authentication mechanisms for on-chain messages (e.g., SPV verification, endorsement signature verification, message consensus signature, etc.) tailored to the characteristics of different heterogeneous chains, laying a solid foundation for the trusted authentication of cross-chain messages under heterogeneous chains.