How can I buy Radix crypto?

Sure, here's a simulated question based on the paragraph you provided: "Hello, I'm interested in investing in Radix crypto but I'm not sure how to buy it. Can you walk me through the process of purchasing Radix and what I need to do to get started? Additionally, are there any recommended exchanges or platforms that you would suggest for buying Radix crypto? Lastly, are there any security measures I should take to ensure the safety of my investment?