Circle

Circle, headquartered in Boston, is a financial technology firm that enables businesses of all sizes to harness stablecoins and public blockchains for payments, commerce and financial applications worldwide. The vendor states Circle's platform has supported over 100 million transactions worth tens of billions of dollars, with nearly 10 million retail customers, over a thousand businesses, while storing and securing more than $5 billion in digital currency assets. Circle's transactional services, business accounts, and platform APIs support financial services and commerce applications that aim to raise global economic prosperity through programmable internet commerce.

Circle starts at $49.