Ripple is the basic currency of the Ripple network. It can be circulated in the entire ripple network, with a total amount of 100 billion, and gradually decreases with the increase of transactions. The operating company of Ripple is Ripple Labs (formerly known as OpenCoin).Ripple is the only universal currency in the ripple system. Unlike other currencies in the ripple system, it has no gateway restrictions and is universal in the ripple system.