Originally developed ERC721BO handles tens of thousands of NFTs simultaneously while achieving low gas costs for batch minting.

Technological singularity
Optimization through extensive use of bitwise operations / Improving spatial efficiency in smart contracts
User benefit
Maintains compatibility with ERC721 Enumerable / Handling more than 10,000 NFTs / Reduce batch mint gas costs
Developed ERC721BO that satisfies the above three points simultaneously