Chain

Chain is a company that helps developers build bitcoin apps by providing fast access to the block chain

Chain is a blockchain technology company that partners with financial firms to build and deploy blockchain networks which transform markets. Its solutions enable institutions to design, deploy, and operate blockchain networks that can power any type of asset in any market. The company offers Chain Open Standard, an open-source blockchain protocol for high-scale financial applications. It includes Chain Core, an enterprise-grade production node; and Chain Sandbox, a prototyping environment. Chain maintains strategic partnerships with financial services firms such as NASDAQ, Visa, Citi, Capital One, and Fiserv. Founded in 2014, the company is based in San Francisco, California.