U.S. Bitcoin exchange River has unveiled its latest product, “Bitcoin Interest on Cash,” offering users a unique opportunity to earn bitcoin from their cash deposits. This innovative service allows customers to earn a 3.8% interest rate, which can be paid in bitcoin, while maintaining the security of FDIC-insured cash deposits. River Unveils New Cash Earning The post Bitcoin Exchange River Unveils New Cash Earning BTC Option appeared first on CoinGape .