You can use it every where and anywhere, without exchange it.
And how to use transaction with it, if bitcoin just crypto currency?
How many people like with this thread?
I think Bitcoin is already international currency, and you can see that most of the people of the different countries different places are using this site, the bitcoins and also earning the bitcoins, in the different ways like investment or trading, so they exchange it, and transaction it. In this time, bitcoin is a Crypto currency, we exchange it into dollar and we use it anywhere and everywhere, and there have no problem on it.. By the way ,I like your thread ..