The Dentacoin (DCN) token represents an extended version of an ERC-20 contract. The token is available with several exchange platforms. At the moment of writing, you can trade DCN against two fiat currencies (EUR and USD) with Folgory exchange.
Being originally based on the Ethereum protocol, Kin (KIN) cryptocurrency had swapped to its own mainnet later. As of now, following to infamous failure of its issuing company Kik with 99% fall of the coin’s value, this digital asset is hardly listed on a few exchanges.