There are all sorts of schemes that you could employ to protect the vast majority of your stack from theft, but I kinda feel like if the culture can embrace a hard currency and everything that naturally flows from it*, then we'll all get so stinking rich that it'll just be easier for intelligent would-be criminals to just work for bitcoin rather than try to steal it, because it's going to suck real bad always watching over your shoulder and not leaving clues about the source of your funds.

It will take decades if not centuries to part with the scarcity/"get something for as little work possible" mindset we've evolved millennia with, but I truly believe abundance fixes theft, or at least reduces the occurrences and their effects.

* this is the only real way everyone ends up with bitcoin