In general terms, I could not give many negative opinions about the Poloniex platform, since in addition to being the first platform where I started in the world of trading, I have not had any problems in it. The interaz of the user seems friendly and simple, pleasing to the eye and very easy to use. In addition, I think the option offered to users of "lending" is excellent. However, I would like you to add more coins to your list, since on several occasions I feel very limited to perform operations.