Site: www.inx.co
Mobile app: -
Compare with
On Jan 15, 2020 CODEX exchange was closed. The announcement for closing business was published in advance so that the exchange’s customers were able to withdraw their funds. The reason why CODEX stopped its operation is changes in the European regulations.
An UK-based ExtStock exchange was established in 2018. It provides trading facilities for scalping as well as high-frequency trading. 
BTCMEX aims to bring the standards of the financial sector to the crypto world by providing innovative solutions, state-of-the-art security, a better trading experience, and a client-focused development.