How can I buy QNT?

I'm curious about investing in the cryptocurrency QNT, but I'm not entirely sure how to proceed. Could you walk me through the steps of buying QNT? What platforms or exchanges support the trading of QNT? Are there any specific requirements or considerations I should be aware of before making a purchase? Also, how do I ensure the safety and security of my transaction and my digital wallet? Your guidance would be greatly appreciated as I navigate this new territory of cryptocurrency investing.