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Energy Web Token (EWT) is the native token of the Energy Web Chain, a public, Proof-of-Authority Ethereum Virtual Machine blockchain specifically designed to support enterprise-grade applications in the energy sector.
An Ethereum token SingularDTV (SNGLS) was released in 2016. As of now, the token is represented on the number of exchanges paired against BTC and ETH.
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.