Worked on enhancing the BER module within the lifinance/customized-token-list repository by adding a new custom token, HarryPotterObamaSonic10Inu, to expand DeFi and crypto asset support. Focused on Solidity-based smart contract development, the contribution involved updating the token-list management workflow to streamline scalable asset onboarding for future integrations. Employed disciplined Git-based development practices, including clear feature commits and pull requests, to ensure traceability and maintainability. The work addressed the need for immediate support of new tokens in decentralized finance applications, demonstrating a methodical approach to feature delivery and integration within a collaborative codebase, with an emphasis on reliability and extensibility.