Stakenet

Stakenet is building a Lightning Exchange: A unique decentralized exchange run entirely by Stakenets' Masternodes. XSN Dex is based on Lightning Network, as it performs instant, practically fee-less, and infinitely scalable Lightning Swaps, BTC, LTC and XSN pairs are live now, available to everyone. For ETH and ERC20 tokens they are currently working on enabling Raiden Network.

• https://stakenet.io/
• https://medium.com/stakenet/stakenet-dex-open-beta-dd5c78175608