Functionality

Asset Metadata

	Uniques	NFTs	Unique Network
Collection metadata	🟥	🟢	🟢
Collection key-value attributes	🟢	🟢	🟢
Collection modifiable metadata	🟥	🟥	🟢
Collection modifiable key-value attributes	🟢	🟢	🟢
Token modifiable key-value attributes	🟢	🟢	🟢
Token attributes modification approvals	🟥	🟢	🟥
Token data modification updatable permissions	🟥	🟥	🟢
Token pre-signed attributes	🟥	🟢	🟥

Note: For source data used for this overview see NFT Pallets in Polkadot

Marketplace

The ability to create an on-chain NFT marketplace, integrated into the pallets Also: NFT Manager has native onchain marketplace support

	Uniques	NFTs	Unique Network
Embedded market functions	🟢	🟢	🟥
Custom Smart Contract market(s)	🟥	🟢	🟢

Note: For source data used for this overview see NFT Pallets in Polkadot

EVM support

Native support for EVM and Ethereum by pallets

	Uniques	NFTs	Unique Network
EVM support (ERC721 interface)	🟥	🟥	🟢
EVM support (custom pallet features)	🟥	🟥	🟢

Note: For source data used for this overview see NFT Pallets in Polkadot