Decentraland (MANA) is currently based on cryptocurrency Ethereum protocol. You can trade this digital asset on the fair number of exchanges. For example, Binance features MANA/BTC currency pair.
Raiden Network Token (RDN) is an Ethereum token and available on the number of exchanges. It’s possible to trade RDN against USD on the Bitfinex platform.
OST is currently based on cryptocurrency Ethereum protocol and serves as the currency of the OST ecosystem. The token is represented on the number of exchange platforms paired with other cryptos.