Can you buy an RSR?

Can you elaborate on the feasibility of purchasing RSR? As a cryptocurrency enthusiast, I'm always on the lookout for potential investments. Is RSR currently available for purchase on major exchanges? What are the necessary steps to acquire it? Additionally, what are the risks associated with investing in RSR? It's important to understand all the implications before making a financial decision. Could you also provide any insights on the potential growth prospects of RSR in the future? I'd greatly appreciate your input on this matter.