You could likely store them in the junk DNA without much risk, as long as you avoid encoding sequences that are the start of coding regions. That said, if you m

You could likely store them in the junk DNA without much risk, as long as you avoid encoding sequences that are the start of coding regions. That said, if you managed to inject them into every cell of your body, this would be the biological equivalent of dropping pamphlets containing your passwords everywhere you go.