What is a good CLV?

As a seasoned expert in cryptocurrency and finance, I often find myself pondering the question, "What constitutes a good Customer Lifetime Value (CLV)?" CLV, a key metric in assessing the profitability of a customer relationship, measures the total revenue a business can expect to earn from a customer over the course of their entire relationship. But what exactly makes a CLV "good"? Does it depend on the industry, the product, or the market? And how does one go about calculating and optimizing for a high CLV in the ever-evolving world of cryptocurrency and finance?