Where can I buy a brc-20?

Excuse me, could you please clarify where exactly one might go to purchase a brc-20 token? I've been looking into various cryptocurrency exchanges and platforms, but I'm having trouble finding a definitive answer. Is there a specific marketplace or exchange that specializes in brc-20 tokens, or do they tend to be traded more widely across multiple platforms? Additionally, are there any specific steps or precautions I should take when making such a purchase to ensure the safety and security of my investment? Thank you for your time and assistance.