The stablecoin protocol Cap is officially launched, and users can start minting cUSD According to Foresight News, the stablecoin protocol Cap has officially been launched. Users can start casting cUSD today and participate in Epoch 1 of the Frontier program to earn Caps. CUSD is a digital dollar issued based on the Ethereum blockchain, which can be used on any blockchain and is supported by Cap's stablecoin network.