poloniex.com and bittrex.com dont answer on tickets about SEGWIT 3 days.
Yes it is true that transaction on segwit address in bitcoin-core of 2014 blockchain has destroyed bitcoin. Because you will not understand that where your bitcoin is transferred and how does it will be make sure. So the people should be very careful while transaction to be needed.
Because everyone will try to steal or hack your bitcoin. You must search for the trusted sites of money exchanger and confirm yourselves to give your bitcoin to those exchangers to avoid from scams.