Radio Caca, or RACA, is a decentralized autonomous organization that operates the United States of Mars (USM) 3D Metaverse. It is developing a blockchain game named Metamon World and NFT marketplaces. The USM Metaverse includes various regions with unique characteristics and offers activities like concerts, galleries, and games. Additionally, RACA enables the buying and selling of Metaverse land, Metamon, and other branded NFT assets, with over $1 billion in NFTs traded since its inception.