Because it is a peer-to-peer exchange, related to the central authorities have no more money or have to track transactions. Instead, "this action is jointly managed by the network.
Technology news declared " Bitcoin value of a trade-only users who wish to come to accept it. This is a "global, personal, and untraceable," says Britain's Guardian, and "Preferred Financial Libertarians, geeks, business, and, possibly, a system for drug kingpins."