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compound.finance
mStable unifies stablecoins, lending and swapping into one standard. mStable assets are liquidity shares that also function as stablecoins in their own right.
Aragon (ANT) is an ERC-20 token listed on the number of exchanges. At the time of writing, you can trade ANT against USD on the Bitfinex exchange.
Santiment Network Token (SAN) is an ERC-20 utility token of the Santimet market research network. The token is listed on a few exchanges with the possibility to trade it against USD.