How to buy an ERN coin?

Could you please elaborate on the process of acquiring an ERN coin? Are there any specific platforms or exchanges that I should be aware of? Additionally, what are the necessary steps I need to take in order to successfully purchase an ERN coin? Furthermore, is there any form of verification or identity check that I need to undergo before making the purchase? Lastly, could you provide any advice or tips that might help me in making an informed decision about buying an ERN coin?