Worked on the LedgerHQ/ledger-app-database repository to address configuration complexity in cryptocurrency wallet forks. Focused on embedded development using Python, the developer delivered a targeted bug fix that removed unnecessary library configuration flags and derivation paths from the Nano App. This change streamlined the codebase, making it easier to maintain and reducing the risk of misconfiguration, especially when swap features are not enabled. By simplifying fork-specific code paths for variants like Banano and NOS, the update improved reliability and lowered support overhead. The work demonstrated attention to maintainability and operational efficiency within the context of cryptocurrency wallet development.