How it Works

Transforming your assets into Physical NFTs is a simple. Follow the three-step process below to get started.

Getting Started

Follow These Three Steps:

You will receive live updates as your items move through 4K's intake process.


1. Enter intake form.

Our white-glove concierge will reach out within a few days and guide you through the final process.


2. Send us your items.

Once your items are approved, we'll help you arrange shipping logistics to one of our storage providers.


3. Physical NFT Minting.

Once we receive your items, we will inspect, authenticate (for select asset classes), and mint your Physical NFTs. You're now plugged into Web3.

Asset Classes

What can I NFT?

You can submit any unique physical item, as long as it is in excellent condition. Popular categories include:

Have more questions?

Mail IconEmail: [email protected]

Crypto Collectibles


Trading Cards

Trading Cards

Web3 Merch

Web3 Merch



Sports and Music Memorabilia

Sports & Music Memorabilia

Your Imagination

Your Imagination

Physical Art

Physical Art

Casascius coins

Casascius coins


Fashion & Sneakers

Buy & Sell

Explore the 4K Vault

The 4K Vault is your dashboard for managing Physically-Backed NFTs. Showcase your collections, manage storage and insurance fees, and easily connect to dApps and DeFi.

Powerful Web3 Tools

Your Physical NFT Dashboard

Unlock the full utility of your Physical NFTs. The 4K Vault gives you control of your collection, with a suite of tools for DeFi integrations, inventory management, and physical item redemption.

  • Manage your inventory

  • Update storage and insurance fees

  • Unlock value with DeFi


Trade & Exchange

Top Collectibles at Your Fingertips

The 4K Vault contains rare, exciting collectibles from users across the globe. Make an offer on their items. Trade physical assets frictionlessly with Physically-Backed NFTs.

  • Make offers on items using WETH, USDC, or WBTC

  • Explore interesting collectibles from around the world.

  • Frictionlessly trade using Physically-Backed NFTs.


The Future of Collectibles

Unlock New Forms of Value

Still have questions? Check out our FAQ.

Decorative markerSecure and insured storage

Decorative markerSame day shipping, generally overnight in the US (Compared to ~30 days with competitors)

Decorative markerTrade physical assets without taking physical possession

Decorative markerAccess to international physical goods

Decorative markerWork with a professional Web3 company, not random users

Decorative markerAssets are insured with auditable provenance

Decorative markerUnlock unproductive capital with the power of DeFi

Decorative markerHand off complicated minting, redemption, and inventory management

Decorative markerManage storage and insurance fees directly through the 4K Vault

Decorative markerSeamless DeFi Protocol Integration

Decorative markerTrade on any Marketplaces that support Physical NFTs

Decorative markerBring Physical Assets into Games

Decorative markerFlex your Collectibles on Social Networks

Decorative markerForm DAOs to Acquire Collectibles

Decorative markerClaims and Dispute Resolution

Decorative markerRequest authentication and audits

Decorative markerBridging Cross-Chain

Decorative markerStaking and token interaction

Plug into our Ecosystem

Learn more about unlocking value from Physical NFTs with fractionalization, lending, DAOs, Metaverse integration, and more.


4K Protocol Vision

4K Protocol acts as the foundational infrastructure for transforming real-world assets into physically-backed NFTs. Our protocol incentivizes vetted storage providers, physical oracles, and physical validators to seamlessly manage the backend logistics of storing physical assets on-chain.

tokenizing physical assets

A Fundamental Building Block for the Composable Web3 Ecosystem

Tokenizing physical assets opens the door for countless unexplored future applications in DeFi, Merchandising, and the Metaverse.



Power-up your Collectibles with 4K Protocol

Explore the 4K Vault or submit your physical assets to get started.