what is coinbase considered

As a seasoned news and information website editor, I would like to write an article about the concept of "what is coinbase considered". The article should be more than 500 words and should be written in a clear, objective, and informative tone. The article should cover key concepts and principles, provide examples or applications to support the point, and be free from repetitive language. The article should have a title in the first line of the content, and should not include an introduction, conclusion, or other generalizing content.