I've thought about that and do for certain things, but In a SHTF situation, communications are going to be disrupted and I'm not going to have access to the internet. I may be stuck in another country because I lost my passport. communications may be disrupted or overloaded. At least by having a copy of my passport on my thumb drive, if folks have a working computer, I can access my copy. Do they accept copies? Let me answer it this way. It's already happened once. While it took a lot of convincing even with the copy. I am confident the electronic copy worked to help prove my story.