Over a two-month period, Liubauskas focused on reliability and protocol correctness in distributed systems, contributing to the sigp/lighthouse and ethereum/consensus-specs repositories. In Lighthouse, he addressed a concurrency issue in Rust by introducing slot-aware subnet subscription management, using an ExactSubnet struct to prevent overwrites and ensure accurate aggregation across slots. For ethereum/consensus-specs, he standardized SSZ deserialization by aligning DataColumnSidecar field order, mitigating cross-version errors and improving upgrade safety. His work demonstrated depth in protocol specification, networking, and concurrency, emphasizing robust bug fixes over feature development and ensuring data integrity and interoperability in complex, evolving blockchain environments.