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.

Kcash is developing an all in one banking platform for digital assets. Kcash users will have access to a multi-currency wallet, as well as different types of accounts that will enable them to manage their decentralized assets. The network is powered by the Ethereum-based KCASH token.