how does coinbase make its money

Sure, I will generate an article about how Coinbase makes money. The article will cover the key concepts and principles related to coinbase's business model, as well as examples or applications to support the viewpoints. The article will be structured with a clear title at the beginning, followed by an introduction, body, and conclusion. The total length of the article will be around 500 words. I will ensure that the article is both informative and engaging, and will use objective and factual language.