CRYPTO20 (C20) is an “autonomous token-as-a-fund” and represents an Ethereum-based token. As of now, it is trading on a few exchanges with HitBTC being the most active exchange platform on its list. CRYPTO20 are so-called close-ended tokens. It means that no new tokens can be created. CRYPTO20 can only be purchased.
UMA, or Universal Market Access, is a protocol for the creation of synthetic assets based on the Ethereum blockchain. UMA was launched in December 2018.