ERC-7857 Intelligent NFTs

Hub / nfts · iNFTs · sealed by x402 Protocol
ERC-7857 · metadata live x402 unlock Buy in market

Wallet inventory unlocked + minted locally after on-chain pay

No SkillNFTs yet. Mint by paying USDC for a skill.

Selected token metadata

Click Meta on any NFT card, or pick one:


            

              
              Full registry JSON
            

          

        


        

          

            

              
ERC-7857 Intelligent NFTs

              

                Each skill is an iNFT: public metadata (name, description, when-to-use, traits)
                is open; the capability payload is sealed with a data_hash until unlock.
                Built for AI agent assets with private intelligence data.
              

              EIP-7857 →
            

            

              
x402 Protocol unlock

              

                Access is settled with x402: HTTP 402 challenge → USDC/USDbC on Base →
                X-PAYMENT proof → unseal private metadata. Same path for humans (MetaMask) and agents.
              

              protocols.json →
            

            

              
Mint / ownership path

              

                Mint / Unlock runs live MetaMask settlement. After verify, ownership is written to hub inventory
                with token id + data hash — ready for on-chain ERC-7857 contract binding on Base.
              

              nft-catalog.json →