One can say the exact same thing about the US dollar, except that rather then mining we are working.
I think there is a littl gold tucked away safely. Then theres also the good faith of the old USA to back it up. Who backs bitcoin?
I dont mean this to sound to negetive but the whole thing reminds me of pogs. People would trade buy sell lots of money for them. Yet they were never much more than milk tops that belonged in the recycling bin.