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As everything becomes more digital, there's a need to replicate the properties of physical items like scarcity, uniqueness, and proof of ownership.

This repository digitalizes the physical products like shoes, cars etc. using blockchain technology

Contract (NFT.sol )

This contract is extended ERC721.

1. Ownership is managed through the uniqueID and metadata that no other token can replicate
2. NFTs are minted through smart contracts that assign ownership and manage the transferability of the NFT's

NFTs give the ability to assign or claim ownership of any unique piece of digital data, trackable by using Ethereum's blockchain as a public ledger.

Following informations are stored in NFT metadata file:

• Brand name
• Product Id
• Images associated to the product
• Manufacturer Name
• Manufacturer Location
• Upload Date and time
• Description about the product

Installation

Install the dependencies using:

npm install

Deploying the contract

The contract can be deployed using the script at deploy.js with command

node scripts/deploy.js

Minting the NFT

The NFT can be minted using the script at web3storage.js with following modifications.

1. Change contract address const contractAddress = "0x9a0CDaD1066D648F10FE96a2F92eaa87048bC71b";
2. Make a details.json with product information
3. Make a .env file with keys like PVT_KEY, ROPSTEN node url, MUMBAI node url, PUBLIC_KEY, WEB3STORAGE_TOKEN, MORALIS_KEY

node scripts/web3storage.js

Retrieving information from the NFT

Details from the NFT can be retrieved using the script at retrieve.js with following changes:

1. Change contract address const contractAddress = "0x9a0CDaD1066D648F10FE96a2F92eaa87048bC71b"; with deployed contract
2. Change chain const chain="mumbai".
3. Enter the token id information const tokenID = 4;

node scripts/retrieve.js