Stylianos Rigas contributed to the ava-labs/avalanchego repository by addressing infrastructure stability during a regional migration. He updated the bootstrappers.json file to reflect new IP addresses after moving services from the me-south-1 to the sa-east-1 region, ensuring reliable bootstrapping and preventing service disruption. His work focused on infrastructure management and network configuration, utilizing JSON for precise updates. By collaborating on this targeted bug fix, Stylianos improved operational resilience and availability during a critical migration period. The depth of his contribution lay in maintaining service continuity and traceability, rather than delivering new features, reflecting a strong focus on backend reliability.