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.
Ignis is the cryptocurrency token developed by the renowned Ardor blockchain. Cryptocurrency pairs including Ignis are listed on the number of exchanges. There is a native exchange Ardor service, where you can buy this asset (as well as NXT and Ardor coins) for fiat and other cryptos.