We deploy an ERC-1155 smart contract on Polygon testnet to send NFTs to target group, and reward people who burn the Ad NFT on our website with some $MATIC.
Polygon: All contracts and NFTs are on Polygon.
IPFS: We stored NFT ADs' info on IPFS.
Moralis: We get NFTs' owners' address by using Moralis.
Node.js: for backend.