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.
Loom Network (LOOM) token is currently based on cryptocurrency Ethereum protocol. It is represented on a fair number of exchanges. Loom Network plans to be the connecting hub for various blockchains. It provides dapp developers with the tools to integrate assets from major chains, such as BTC, ETH, Binance and TRON (with EOS and Cosmos coming soon). You can also earn LOOM tokens for participating in the network as the reward or bounty.