Where to buy Paxos?

I'm interested in investing in Paxos, but I'm not sure where to start. Could you provide me with some guidance on where I can buy Paxos safely and securely? I've heard about various exchanges and platforms, but I'm not sure which ones are reliable and have good liquidity. Additionally, I'd like to know if there are any specific requirements or procedures I need to follow to purchase Paxos. Any advice or insights you could share would be greatly appreciated. Thank you for your help in navigating this process.