Worked on the XLabs/arbitrary-token-transfers repository to enhance the reliability of token transfers on the Avalanche testnet. Addressed a critical issue by correcting the gas token address, ensuring accurate transaction processing in the testnet environment. Updated project dependencies and incremented the package version to maintain compatibility with the latest releases, supporting downstream development workflows. Focused on stabilizing testnet interactions and improving dependency hygiene, which reduced the risk of token misaddressing. Utilized JavaScript for implementation and leveraged version control best practices throughout the process. The work emphasized blockchain development fundamentals, prioritizing robust testnet validation and maintainable package management for future updates.