Originally Posted by
Sutekh
I also feel like the Wakandans are generally not a fan of letting their vibranium-tech out of their country, without maintaining some level of control, just in case, and feel sort of responsible for what gets done with it, so would build some sort of ease-of-retrieval mechanism into the arm if it ever got used for ill purposes (not just Bucky going rogue, perhaps he's captured and it gets stolen and used by someone else, or something, in which case Wakanda might want a way to put a stop to that rogue Wakandan technology out there causing problems).
I would in fact be kind of shocked if Shuri didn't build some sort of tracking device into the arm, as a matter of course, and that have literally nothing to do with whether or not they trust Bucky, but just be how they do things.