Chain is a blockchain technology company that partners with financial firms to build and deploy blockchain networks that transform markets. Chain has formed strategic partnerships with leading financial services firms like Nasdaq, Visa, Citi, Capital One and Fiserv. Chain develops and maintains the Chain Open Standard, an open source blockchain protocol for high-scale financial applications. Chain’s platform includes Chain Core, an enterprise-grade production node, and the Chain Sandbox prototyping environment. Chain has raised $45M from leading venture capital firms and strategic investors. The company’s board of directors includes the former CEO of American Express as well as one of the founding executives of PayPal.