How do you set up a Braintrust?

How does one go about setting up a Braintrust in the world of cryptocurrency and finance? Is it a process that requires a specific set of technical skills or knowledge? Are there any legal considerations or regulations that need to be taken into account? What are the steps involved in forming a Braintrust, and what kind of resources or support do members typically need to get started? Additionally, what benefits can a Braintrust offer its members in terms of collaboration, innovation, and financial growth?