Where can I buy Aura Network?

I'm considering investing in Aura Network but I'm not quite sure where to start. Could you please provide me with some guidance on where I can safely and securely purchase Aura Network tokens? Are there any specific exchanges or platforms that you recommend for this purpose? It's important for me to ensure that the transaction is secure and the process is straightforward. Additionally, I'd like to know if there are any fees or additional costs associated with buying Aura Network and if there are any limitations or restrictions to be aware of. Thank you for your help!