Come up with a short yet comprehensive review of the Fintech company, Circle. Ensure it brings out basic aspects of its operation that would be beneficial to readers. No plagiarism, I check for all forms of plagiarism by running submissions through multiple software. Should there be any case of copying or spinning, your article will be rejected and rated with one star and your account reported to and banned by admin. No grammatical errors or spelling mistakes however minute will be entertained either.