How to buy Harmony One in the USA?

I'm curious about the process of purchasing Harmony One cryptocurrency in the United States. Could you please provide a step-by-step guide on how to do so? Specifically, I'd like to know which exchanges offer Harmony One trading, what the registration process involves, how to deposit funds into my account, and ultimately, how to place a buy order for Harmony One. Additionally, I'd appreciate any advice on safety measures to ensure a secure transaction and any potential risks or considerations to be aware of before making my purchase. Thank you for your assistance in navigating this cryptocurrency market.