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24 lines
1.7 KiB
Markdown
24 lines
1.7 KiB
Markdown
### What is NFT?
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A non-fungible token stored on the blockchain represents a unique asset. NFTs can represent images, videos, digital art, or any piece of information. NFTs can be traded and allow transfer of ownership and copyright.
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### How are NFTs handled in the Blockchain world?
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[EIP-721](https://eips.ethereum.org/EIPS/eip-721) defines an interface for handling NFTs on Ethereum blockchain. The creator of the NFT can deploy a new contract on Ethereum or any Blockchain supporting NFT related interface and also, transfer the ownership through the transaction(s).
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### How will Ocean Protocol support the NFT market?
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Ocean Protocol defines an [ERC721Factory](https://github.com/oceanprotocol/contracts/blob/v4Hardhat/contracts/ERC721Factory.sol) contract which will allow users to deploy ERC721 contract instances on any of the supported networks. The deployed contract can be associated with Metadata information which describes, also published on-chain. The [Metadata](https://github.com/oceanprotocol/contracts/blob/v4Hardhat/contracts/metadata/Metadata.sol) contract will store the information about the asset, and associated access rights defined through roles.
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![Image 1](images/v4-nft-1.png)
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Once the contract is deployed, it will be available on the Ocean Marketplace for trade.
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### Other References
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- https://en.wikipedia.org/wiki/Non-fungible_token
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- https://blog.oceanprotocol.com/nfts-ip-3-combining-erc721-erc20-b69ea659115e
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- https://blog.oceanprotocol.com/nfts-ip-2-leveraging-erc20-fungibility-bcee162290e3
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- https://blog.oceanprotocol.com/nfts-ip-1-practical-connections-of-erc721-with-intellectual-property-dc216aaf005d
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- https://blog.oceanprotocol.com/on-difficult-to-explain-fungibility-sightings-in-nfts-26bc18620f70
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