Why is the vertex so important?

Could you please elaborate on why the vertex is considered to be such a pivotal aspect in the realm of cryptocurrency and finance? Is it due to its role in facilitating transactions, enhancing security, or perhaps fostering the growth and adoption of digital currencies? Additionally, what specific features or functions does the vertex possess that make it so indispensable in this field? I'm intrigued to learn more about its significance and how it contributes to the overall ecosystem.