I love the concept of Bitcoin. I believe the Internet will redefine currency as we know it. I hope this helps the Bitcoin community to develop a currency that's really resilient to attacks.
But, is it possible?
Yes it is possible to hack the bitcoins wallet because here in the computer world the world of technology nothing is impossible but for now i do not have some hacking issues in my wallet it supposed that the wallet that i use have a lot of security purposes. So lucky for me i didn't experienced that hacker thing. I am not sure if there are a persons that are a victim of a hacking and lose a lot all of their money. But bitcoins is still unhackable the main bitcons cannot be hacked.
I think nobody can hack bitcoins, Since block chain using highly security and secure from attacking. Bitcoin doesn't exist physical nor can be controlled. But wallets can be hacked by many tricks. A hacker can send a file to his victim to steal his password. So to be more secure you should buy hardware wallets and even then be careful with their private keys too.