The Silvergate digital currency bank is a bank and financial infrastructure service provider that is based in California. It provides a variety of financial services to many of the largest digital currency companies and invesstors. Because Silvergate is a federally regulated bank, it can serve as compliant custody and collateral management solution for digital currency companies that need a regulated banking partner. The Silvergate Exchange Network (SEN) also enables exchanges and other institutions to leverage their Crypto holdings to receive US Dollar loans.

Polybius is building a currency-agnostic ecosystem enabling more control of personal finances. Polybius claims that its platform will combine banking with other technologies, such as: Big Data, IoT, and Blockchain. Polybius aims to create a Digital Pass solution, that will empower users with control over their digital identity across several industries. The company raised $31 million in an ICO, and is currently working to implement its technology in Belgium.