cold storage
noun
- storage in a cold, often freezing, environment
Wiktionary
noun
- Refrigerated storage.
- A state of postponement; the back burner.
“All we could do would be to make a few preliminary inquiries as to the possibilities of financial assistance from Government funds and then put the idea into cold storage for the time being.”
- A place where private keys are stored away from the Internet to prevent them from being stolen.