Oasis App is an open-source DeFi product developed by the Maker Foundation. An original OasisDEX project was closed in January, 2019. With the help of Oasis App, you can trade and borrow Ethereum tokens.
COSS (Crypto-One-Stop-Solution) is a young cryptocurrency exchange registered in 2017 and based in Singapore. Singapore is one of the largest donors to Asian cryptocurrency exchanges. On the platform, you can perform operations with three dozen cryptocurrencies paired with Bitcoin and Ethereum. Today, there are hundreds of stores and three hundred merchants among platform customers.