How to purchase arkham?

Could you elaborate on the steps involved in purchasing Arkham, a cryptocurrency? I'm particularly interested in understanding the process from start to finish. Do I need to create a specific wallet to store Arkham? What platforms allow for the purchase of this cryptocurrency? Are there any specific considerations I should take into account, such as transaction fees or security measures? Additionally, is there a minimum investment required, or can I start with a small amount? I'd appreciate a concise yet comprehensive guide to purchasing Arkham.