Mobile app: -
Compare with
4.0
0x is important infrastructure for the emerging crypto economy and enables markets to be created that couldn't have existed before.
OTCBTC is one of the largest Asian OTC (over-the-counter) cryptocurrency platforms. It also maintains the Exchange Market. 
Cat.Ex exchange platform was founded in mid-2018. Its headquarters is based in China. Providing its local token holders with dividends on a daily basis, Cat.Ex utilizes transaction mining in order to ensure an efficient profit-sharing.