Even with so many different exchanges for Bitcoin and other cryptocurrencies, Poloniex remains a leader. It has been in the industry for several years and has all the features that traders search for. This is also one of the few exchanges based in the United States. Poloniex prides itself on offering advanced trading features and maximum security. Poloniex launched in 2014 and is based out of Wilmington, Delaware, in the United States. It was very recently acquired by Circle, a large Goldman-SaSee full review