Where can I buy ZKF coins?

Hello there, I'm curious about purchasing ZKF coins but I'm not quite sure where to start. Could you please guide me on the best platforms or exchanges where I can safely and securely buy ZKF coins? Are there any specific steps I should follow to ensure a smooth transaction? Also, are there any fees associated with buying ZKF coins that I should be aware of? I'd appreciate any insights you can offer. Thank you!