Liquid is one of the best crptocurrency exchange I have ever heard of. It has Licence by Japanese Financial services Agency, this makes it valid and secured. It based in Tokyo, and it was founded 2014 and launch Quoinex and also a fiat to crypto trading platform, the same year. Anybody who wish to invest have a wide range of fit to crypto and crypto/ crypto currencies pairs.
It also offers liquid margin, in which you can trade with up to 25x leverage, it has its own utility token called QASH, QASH can be used to pay services on liquid.
Liquid lists various forms of ctyptocurrencies on it platform.They offer services to users worldwide, which make it easier to trade with different currencies.