What is the box based on?

Could you please elaborate on the concept of the "box" you're referring to? Are you asking about a specific type of box used in the cryptocurrency or finance industry, such as a hardware wallet or a secure storage container? Or is it a metaphorical box, perhaps representing a framework, system, or set of principles that underpin a particular aspect of cryptocurrency or finance? Without more context, it's difficult to provide a precise answer to your question. Could you please clarify what you mean by "box" and what specific aspect of cryptocurrency or finance you're interested in understanding?