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.
I think it is, because in the present no one is complaining about losing some inveesment or bitcoins. Thats why you can freely invest and fearless in using bitcoin unless you are so careless person there might be some instance that you'll lose some of you capital or investmentThe government can not be that easy to ban bitcoin transactions, because bitcoin is the future.