Yes bitcoin is really secure. no one can steal bitcoin, except for our own carelessness. 
The government can not be that easy to ban bitcoin transactions, because bitcoin is the future.
No one know if bitcoin is really secure because of the price of it is not stable. But we can continue of using bitcoin, because their are future in life of bitcoin. So everybody are crazy bout bitcoin.The government can not be that easy to ban bitcoin transactions, because bitcoin is the future.