Alastair Ong contributed to the lifinance/customized-token-list repository by expanding tokenized equity offerings on the Base platform. He implemented the Tokenized Equities Expansion feature, adding wtCOIN, wtMSTR, and wtSPYM to the token list, which broadened asset availability for users. His work focused on precise JSON manipulation and adherence to blockchain token standards, ensuring accurate data representation. Alastair also addressed UI inconsistencies by correcting logo URI domains and reverting unintended indentation changes, resulting in a more consistent user interface. The changes were delivered with a clean git history and collaborative workflow, supporting faster onboarding of additional tokenized assets.