I would have to go with NOT.
Firstly, try register the project (ie domain or whatever is needed) in a different country if you do need to register something. This will help avoid the tax man to a degree.
Please elaborate on your "Cold Storage". If you mean a bank account offshore, you can still do that. If its a safe at your house, well again, you can still do that.
As for Hackers, well just try and be as safe as you can against them, build your solution around Anti-Hacker and you should be ok
Encryption is your friend :p
Also never have a decrypter in the same place (ie website).