For those of you who have alarm systems, this may not seem to be such an issue: But pay attention to what is said about insurance companies, and you'll know why 90% (according to them) of key-based mechanical locks may be insufficient (read: easy to bypass) We need better key-based locks... or perhaps not make them key-based at all. Personally, I don't think I'd mind carrying around a USB key with a 4096-bit key ;> But that might be a little complicated for others... Bump key video