you have the perspective all wrong, I think. you're looking at it from your own point of view, not theirs. if they have the urge to steal then its never just 'another job' they will be wanting to rob you whether its on display or not. I used to hang out with bad boys and generally to them the loot was almost secondary to the thrill of actually stealing it. am well aware of the France incidents which were, as you say, caused by people being dumb enough to let the government know what they had. same issue if you're forced to register your guns and disclose where you store them. buy I think you're a bit paranoid. your average tradie has no interest in bitcoin and if you mention it they'll think you're a loony. I've tried to talk to a couple of mechanics and a sparky about it in my area. one showed mild interest but haven't taken it further