Simple And Straight answer is BINANCE !!!!
Yesterday, Bytecoin (BCN) was made available for trading on BINANCE which is one of the largest cryptocurrency exchanges in the world. The listed price in the BINANCE is 10 times hire than POLONIEX. which caused a flood of traders looking to take advantage of this opportunity. traders were trying to buy BCN on Poloniex and then sell it on Binance for massive gains. this situation made worst for Bytecoin network, there were no block confirmations for more than two hours.