What is the fasted and secured cryptocurrency Exchange in the world right now?


Hello Guys, I am Perin Jlas, I am the New tread In the Crypto Sites. But at the moment I don't like at bitcoin sites. Moreover, the sites of the coins is very expensive bita. So I think, as a new investor to the site is not right now for me. I should invest in less expensive sites, few days latter it's may be come to better positioned. But I still have not heard much better site. If you hear one of these sites, if try to tell me...