OOOBTC is a cryptocurrency exchange with a referral program different from those known with other exchanges, you will get your link to invite friends and once invites you get the exchange's native token as a reward and you have to trade to unlock the reward.
OOOBTC serves as a gateway for its listed cryptocurrencies, it has a order book with price chart and buy with sell boxes as well as order history.
OOOBTC doesn't accept fiat deposit, it charges 0.50% for withdrawal and 0.15% for both taker and maker fees.
Unfortunately when I tried accessing its site, I got an error 522 connection timed out message which means the site has stopped working so kindly be careful.