How does cold storage protect crypto assets?

How does cold storage effectively safeguard crypto assets? Is it through its physical isolation from the internet, ensuring hackers have no digital access? Or is it the rigorous encryption methods employed that Render the assets inaccessible to unauthorized parties? Additionally, does cold storage provide a failsafe mechanism in case of any system vulnerabilities or breaches? Furthermore, how does it compare to other storage methods in terms of security, accessibility, and ease of use? Understanding these aspects is crucial for crypto investors seeking to maximize the safety of their holdings.