How can I set up a secure cold storage?
DannyHamilton will *probably* give you a much more in depth answer but this is my way:
Follow the instructions of blockchain.info here -
https://blockchain.info/en/wallet/paper-tutorialThat's my way. Make sure to generate the private keys offline and preferably if you can on a computer that has never been in contact with the internet or other files (to make sure it is virus free).