What is Ripple? Ripple is an Internet protocol for making financial transactions. You can use Ripple to send money anywhere in the world in any currency, instantly, and for free. What is an Internet protocol? An Internet protocol is a set of rules designed to enable computers connected to the Internet communicate with each other. Examples of Internet protocols • The protocol HTTP (Hypertext Transfer Protocol) is a set of rules for building and sharing websites. The invention of HTTP led to the World Wide Web. • The protocol SMTP (Simple Mail Transfer Protocol) is a set of rules for sending messages on the Internet. The invention of SMTP made it possible to send emails across a distributed network. • The protocol RTXP (Ripple Transaction Protocol) is a set of rules for making transactions on the Internet. The invention of RTXP makes it possible to transfer value across a distributed network. Like email for money.