The physical security (especially the release mechanism) is what I'm curious about. Elsewhere you mention the constraints low-power places on you, and it strikes me that the less energy required to trigger the release, the easier that might be to fake with bumping or vibratory attacks.
There were a couple of interesting DEFCON videos I've seen on electronic safes, which are a similar niche, and quite a lot of them were utterly trivial to open.
There were a couple of interesting DEFCON videos I've seen on electronic safes, which are a similar niche, and quite a lot of them were utterly trivial to open.
https://www.youtube.com/watch?v=vIJFQO4DIxw is one, trying to find the other, which I vaguely recall was from Barnaby Jack.