How do you buy Brett?

Could you please explain to me in detail the process of purchasing Brett? I'm quite new to this field and am eager to understand the steps involved. Do I need to register with a specific platform or exchange? Are there any prerequisites or qualifications I should meet? Additionally, what payment methods are typically accepted for such transactions? Also, is there a risk associated with buying Brett, and if so, how can I mitigate those risks? I'm looking for a comprehensive yet straightforward answer to help me navigate this process smoothly. Thank you for your assistance.