Over a two-month period, contributed to the hyperledger-labs/splice and splice-wallet-kernel repositories by delivering features focused on distributed synchronization and testing reliability. Developed multi-synchronizer support for LocalNet, enhancing the ability to test complex distributed scenarios and updating Docker Compose and integration tests to ensure robust validation. Subsequently, implemented multi-node synchronization in splice-wallet-kernel, upgrading localnet and enabling cross-node consistency to support production readiness and scalability. The work leveraged Scala, TypeScript, and Docker, emphasizing backend and full stack development as well as integration testing. These contributions improved the projects’ distributed capabilities and laid groundwork for more resilient, scalable releases.