# Metaverse NFT Factory v3

v3 version for Factory should be the state-of-the-art optimized smart-contract, also featuring long-requested updates as:

* ERC721A cheap mints
* Optional unlimited total supply
* Mint by token ID
* Lazy mint: signed and IPFS-stored but unminted NFTs
* OpenZeppelin / Biconomy Relayer (gasless mint <https://portal.thirdweb.com/guides/create-gasless-nft-drop>)
* Refunds/Vesting