Cold storage advice

Just use Electrum (from electrum.org) on a safe computer (no Windows).

Or if you prefer the longer explanation.

My opinion is you should understand how computer security works before to do anything.

Some important things:

  • Your keys and passwords might get written in the swap file/partition on your hard drive. Don't use swap or encrypt it.
  • Your printer may have memory (hard drive).
  • Your printed documents are saved on your hard drive and then deleted not securely (if you don't use non-HDD system, like Live Linux system from a CD/DVD)
  • Your USB devices may have malware installed in their inner computer (not in the visible from the outside filesystem, it's not visible by the external anti-virus software).
  • Make backup on paper (seed) before you load your wallet with coins. Don't lose the paper backup.

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