Leading cryptocurrency exchange Coinbase announced Monday the launch of its institutional rewards program in partnership with stablecoin issuer MakerDAO. Coinbase to Custody $1.6 Billion USDC The exchange disclosed that MakerDAO community members accepted its proposal to the custody of $1.6 billion USDC stablecoin pegged 1:1 to the value of the U.S dollar with Coinbase Prime, designed to provide institutional and corporate solutions to specific customers.