River is a Bitcoin-focused financial company that enables individuals and businesses to buy, hold, and earn with Bitcoin. The platform emphasizes full-reserve custody with multisig cold storage and US-based human support, offering features like zero-fee recurring buys, Bitcoin interest on cash, and wallet custody. It provides services for private clients and businesses, with resources for learning about Bitcoin and staying informed through research and announcements. Headquartered in the United States, River positions itself as a secure, Bitcoin-centric wealth-building platform.