A digital scratch card Dapp where users can win prizes by matching 3 images

• Live Site - https://descratchoffcard.netlify.app/
• Demo - https://youtu.be/b7y8X4QDbFQ

• React
• Bootstrap 4
• Node.js
• Hardhat
• Ether.js
• nft.storage (Store images for the digital scratch card on IPFS)
• Covalent API (Get NFT token IDs for contract using Covalent API)
• NFTPort API (Mint the NFT of the digital scratch card on Polygon for free using Easy Mint API)
• Chainlink VRF (Determine if the user won something from digital scratch card )
• Lighthouse (Store digital scratch card's cover on IPFS forever)
• Gasless SDK (Gasless transactions for redeeming digital scratch card)
• Unstoppable Domains Login

• Clone or download this repository
• Run npm i to install the dependencies
• Create a file called '.env' on the root folder and add the following code

ALCHEMYAPI_KEY = <KEY>
PRIVATEKEY = <KEY>
COVALENT_APIKEY = <KEY>
DESCRATCHOFF_ADDRESS = <KEY>

• Run npx hardhat run scripts/sample-script.js --network mumbai to deploy contract

• Create a file called 'config.js' on the src folder and add the following code

export const NFT_STRORAGE_APIKEY = <KEY>;
export const NFTPORT_APIKEY = <KEY>;
export const DESCRATCHOFF_ADDRESS = <KEY>;
export const BICONOMY_APIKEY = <KEY>;
export const UNSTOPPABLEDOMAINS_CLIENTID = "< Your Unstoppable Domains Client Id >";
export const UNSTOPPABLEDOMAINS_REDIRECT_URI = "< Your Unstoppable Domains Redirect URL >";

• Run npm start to start the dapp