During August 2025, Bigd1445 enhanced the lifinance/customized-token-list repository by adding a new custom token, HarryPotterObamaSonic10Inu, to the BER module’s token list. This work expanded the platform’s DeFi and crypto asset coverage, enabling immediate onboarding of new tokens and supporting future integrations. Bigd1445 approached the task with disciplined Git-based development, using a clear feature branch and pull request workflow to ensure traceability. The implementation was carried out in Solidity, leveraging smart contract development skills to reinforce the token-list management process. The scope was focused, delivering a single feature with depth and maintaining a maintainable, scalable asset onboarding workflow.