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.
NEM (New Economy Movement) is a blockchain-based platform for operation of mission-critical transactions for businesses. The platform has its own blockchain and a native token called XEM. NEM appeared on the market in 2015. Currently, it is one of the most successful blockchain projects hailing from Japan.
SmartMesh (SMT) ERC-20 token is used as a means of payment within the SmartMesh ecosystem, as well as the reward coin to node contributors and users. It is listed on a few exchanges and trading against BTC, ETH and USDT.