Blockchain

From: https://docs.alchemy.com/docs/how-to-create-an-nft

From: https://docs.alchemy.com/docs/how-to-mint-an-nft-from-code

npx hardhat run scripts/deploy.js --network goerli

Contract deployed to address: 0x3A924Ded7422Be2bb5Af329A3a682dA9B649b020

https://ish-gme.s3.amazonaws.com/nft-metadata.json

NFT Minted! Check it out at: https://goerli.etherscan.io/tx/0x0477053e818c94f94bd2b7f50846b1ce3f5071dd195b1c7cb81f851fd2538237

A minimal minter

From: https://docs.alchemy.com/docs/nft-minter

Their implementation didn't work, btw.

A minimal ERC marketplace

From: https://ethereum.org/en/developers/tutorials/how-to-implement-an-erc721-market/

Metadata standards

From: https://docs.opensea.io/docs/metadata-standards