How can I buy USDB?

Could you please elaborate on the steps involved in purchasing USDB? As a cryptocurrency enthusiast, I'm keen on exploring new investment opportunities, but I'm a bit unsure about the specific process for acquiring USDB. Could you walk me through the necessary steps, from identifying a reliable exchange to completing the transaction securely? It would be great to have a clear understanding of the prerequisites, such as having a cryptocurrency wallet set up, as well as any potential risks or considerations I should be aware of before making the purchase. Your insights would be invaluable in guiding me through this process.