During December 2024, Yann Potin developed a targeted encryption feature for the bbc/tsduck repository by implementing the --only-pid option in the Scrambler plugin. This enhancement allows users to scramble a single Packet Identifier (PID) within a digital television service, providing granular control over encryption workflows. Yann modified the core logic and command line interface in C++ to integrate this capability while maintaining compatibility with the existing plugin architecture. The work included comprehensive documentation updates and careful CLI integration, demonstrating a solid understanding of embedded systems and plugin development. The feature addressed a specific need for more precise encryption management.