4K Protocol
bridges physical
and digital worlds
electric-capitalcrosscutideo-collabethereal-venturescollab-currencyshima-capital
Explore Marketplace →
Be in the know.
Enter your email to discover our curated crypto collectibles and upcoming drops.
How It Works
Our authentication, storage, and marketplace services
Browse
From luxury watches to graphics cards, discover a curated selection of highly sought-after items.
/images/Browse.svg
Buy or Bid
Buy items or place a bid on items with confidence knowing that everything is authenticated and securely stored.
/images/BuyOrBid.svg
Redeem or Sell
Redeem your NFT to receive your item or resell it on our marketplace. No high fees and no logistics issues.
/images/RedeemOrSell.svg