The Omni Layer Foundation recently released the latest version of its Decentralized Exchange, OmniDex 2.0. Omni holders will soon start receiving 0.05% of the exchange volume as interest, after an introductory month of fee free trading.
http://bravenewcoin.com/news/asset-holders-to-earn-interest-from-fees-on-decentralized-exchange-omnidex/