Yesterday i transferred BTC from from GDAX to binance.  I copied the address from binance and pasted it into GDAX to perform the withdraw.  After not showing up for 12 hours I looked and realized it is a different address than my binance address that i sent it to.  This is the second time this has happened transferring from gdax.  last time it happened i lost some litecoin.  How can i prevent this and is there a chance i am somehow hacked leading to this happened?