Ubiq (UBQ) is the mineable coin supported by the number of exchanges. Running the “Ethereum Virtual machine”, Ubiq provides developers with the tools to create smart contracts.
AirSwap is a Decentralized cryptocurrency exchange based in the USA. The exchange was launched in 2017. It’s reported volume is about 4.5-5 mln. $. The exchange provides peer-to-peer trading and has 3 available trading pairs and 6 coins.