How to buy Stronghold?

Excuse me, could you please clarify the process of purchasing Stronghold cryptocurrency? I'm quite new to this field and I'm interested in learning how to navigate through the process efficiently. Is there a specific exchange that I should use, or do I need to take any specific precautions? Also, is there a minimum amount required for purchasing Stronghold, and are there any fees associated with the transaction? Thank you in advance for your help.