Hacking will not be a future at all. There are many web wallets and exchanges attacked severalctiem but all does not hacked every time. Some time hacking is successful and scammer scratch the money when attack was done on server directly.
Hope you bestest earning method that is bitcoin related investment returns. Already many people taking steps to make the blockchain wallet secured.
I think you are just mainly focusing in hacking a bitcoin wallet. In your own opinion what would be the best profession? It seems like you didn't read some previous posts.