Sharing some stuff about ERC721A and ERC721R and how to implement them in your smart contract.ERC721ERC721 is a standard for representing ownership of non-fungible tokens, that is, where each token is unique. More info on this can be found online and out of scope for this post.ERC721AThis is an extension to the ERC721 standard. The main idea here is to use counters instead of enumerables and save significantly on gas (for bulk mints). From their website,ERC721A is an improved implementation o...