Where can I buy XPR Proton?

Hello there, I'm looking to expand my cryptocurrency portfolio and I've heard a lot of good things about XPR Proton. However, I'm a bit unsure of where to buy it. Could you please guide me on the best places to purchase XPR Proton? Are there any specific exchanges or platforms that you would recommend? Additionally, are there any important factors I should consider when choosing a platform to buy XPR Proton? Your insights would be greatly appreciated.