Far from a cold storage wallet, it saves nothing.
The Bitfi hardware wallet is the blockchain interface system that is much more secure that any cold storage method. The Bitfi protocol secures billions in USD value without ever storing any sensitive data whatsoever. We believe that Bitcoin was always intended to be an un-seizable asset. Cold storage systems only protect users from online attacks and are not different from storing bars of gold in the safe or cash under a mattress.
Your brain extended to any blockchain utility.