I guess you could but I mean do you want to have your entire stack on something you're using all the time? I wouldn't this seems more like your everyday grind tool, instead. I think of it as a hot wallet/hot wallet companion
Discussion
Right so passport still for cold storage and this as a hot wallet and personal security device?
For the general non-custodial enjoyer I would say so, but I can also see this as a starter device for newbies who later upgrade to cold storage as their stack grows, would be cool if it can be used as a lightning signing device too, so you can keep your keys separate from your node
Makes sense interesting concept might pick one up to play around with