Got a card ready to trade?
Add it to your portfolioDiscover cards across every category
Connect with collectors who have the cards you’re after.
Let collectors know what you’re open to trade
Set each card’s visibility and intent yourself — private, connections only, or open to inquiries, offers, and trades. You always control who sees what.
Connect with fellow collectors
Follow other collectors or send a connection request to see more of what they’re willing to share.
Track your full portfolio, privately
Log condition, grade, and quantity for every card — visible only to who you choose.
Who is MintBaller for?
Anyone building a collection worth showing off.