[tsahyt]

Because it's easy to spend since others accept it. Money itself has absolutely no value at all. It's more a promise that somebody will accept it when you want to buy something with it.

[takluyver]

Which is precisely what the FBI report was describing: "they believe they can exchange the currency for goods, services, or a national currency at a later date."

[adambyrtek]

That's the whole point of fiat money, isn't it?

[brazzy]

It't the whole point of money, period.