Item V2 Smart Contracts Protocol
Here you can learn how the Items protocol works at the smart contracts level.
Be sure to read the Understanding Items section first to get a complete understanding of how Items works.
A bird's eye view of the Items Protocol.
Learn about the ItemMainInterface, a singleton contract shared by all Items, native and wrapped, serving as their default collective ERC1155 interface and the Interoperable Interface, one of which each Item has, serving as their unique ERC20 interfaces.

Extension

Learn about the Extension, a smart contract that can serve as an Item Collection's unique host address, allowing for the Collection to be governed with a granular permission system.
Learn, on a technical level, how any ERC20, ERC721 or ERC1155 and ETH can be wrapped as an Item.
Learn, on a technical level, how any ERC721 and ERC1155 Collections can be wrapped as Deck Items.