Lorenzo contributed to the Saghen/nixpkgs repository by upgrading the Go-Ethereum package from version 1.14.13 to 1.15.0, aligning the package with upstream changes and removing the deprecated bootnode sub-package. This work streamlined the package surface, reducing maintenance overhead and improving compatibility for downstream users. Lorenzo updated the packaging scripts using Nix, applying skills in package management and system administration to ensure the changes reflected upstream developments. By adding an upstream maintainer for go-ethereum, Lorenzo also enhanced the package’s long-term maintainability. The work demonstrated a focused, upstream-aligned approach to open source package management within the Nix ecosystem.