[Cementjungle]

Think thumb drive. Cash on a chip. You need to plug it into a system with electricity, but you walk around with cash in your pocket. If it’s keyed to a phrase only you know, then the cash is yours and no one else’s. It can’t be stolen, but it can be spent.

Of course you must be diligent about making your backups and all that, since all digital media will fail from time to time. That aspect makes it a pain in the neck.

[mmichaels1970]

Of course you must be diligent about making your backups and all that, since all digital media will fail from time to time. That aspect makes it a pain in the neck.

A good point. But I'm thinking that possibility that we CAN backup our "cash" is intriguing. Imagine if you left the house with a $20 bill and it blew out of your pocket. However, the guy who found your $20 bill would have a very difficult time spending it if he couldn't crack your password. Meanwhile, you could return home an grab your backup $20 bill from your underwear drawer.

You can probably poke a bunch of holes in the idea, but I find that even the remote possibility of it is very interesting.