My experience with Poloniex has been very good. Withdrawals are always very fast, efficient and accurate, since there are many members to attend every second. In fact, it is an exchange that I recommend to friends and clients to operate their crypto-coins. The support has much to improve because it should walk at the same speed of withdrawals. For some times I was nervous about the delay in tickets and complaints. This should be reviewed urgently. But I am very satisfied with the operation of tSee full review