Bitcoin isn't attached to a state or government, so itu doesn't have a central issuing authority or regulatory body, bassically, that means there's no organizational deciding when to make more bitcoins, digiring out how many to produce, kering track of where they are, so how does bitcoin work as a currency ?
Bitcoin one kinds of digital currency. this currency used is available maximum country. you can trading, buying, selling by bitcoin. so we can said bitcoin as a good currency in the currency world.