This is the most popular Bitcoin pair in the world. Bitcoin uses peer-to-peer technology to operate without central or bank authority; Bitcoin transaction management and issuance is done collectively by the network. Bitcoin is open-source; the design is public, no one owns or controls this crypto currency and everyone can participate. Bitcoin prices rose significantly in a short period of time, making the BTC / USD pair popular among active traders and investors. Through its unique properties, Bitcoin allows for new uses that any payment system previously could not.