How do I buy eXRD?

I'm new to the world of cryptocurrency and I'm particularly interested in purchasing eXRD. Could you please explain the process step-by-step? Are there any specific platforms or exchanges that you recommend for buying eXRD? Are there any fees associated with the transaction, and if so, how do they compare to other cryptocurrencies? Additionally, what security measures should I take to ensure a safe and secure transaction? Your guidance would be greatly appreciated.