Poloniex is always slow or crashing...cryptos are really taking off and the volume of trades is rising steadily. It's very exciting to watch and even better when things go your way....lol .Poloniex needs to really upgrade their servers and bandwidth to handle what is coming. Anyone and everyone is going to be moving to crypto's. The one to watch is Burst. You can mine it just using extra hard drive space for free......check it out at www.burstnation.com