
the good point of bitcoin ... is that you can print paper money if you want :
https://www.bitaddress.organd, it's real value !

Bitcoin is a perfect thing.
Plan B. 
You are wrong when you say Bitcoin is a real value while it is a virtual value. If it is material, then we can print it and use it like cash. You can skip that intermediate step, which is to switch from Bitcoin to cash, which has a transaction fee. But that would not be far off because Bitcoin is virtual
Money is something that we can use to clear our payments and we can sue it for buying and selling purpose. I dont think so there is any need of printing bitcoins to use them as sound money. We should give equal importance to both paper money and digital currency.