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33 lines
1.5 KiB
Markdown
33 lines
1.5 KiB
Markdown
---
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seo:
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description: Create NFTs with the option of changing the URI to update its referenced data object.
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labels:
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- Non-fungible Tokens, NFTs
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---
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# Dynamic Non-Fungible Tokens (dNFTs)
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Standard NFTs are immutable. Some use cases would benefit from the capability to update the referenced data object after the initial minting of an NFT. For example, a concert ticket for a postponed event could be updated with an alternate date, or a virtual trading card for an athlete could be periodically updated with current statistics. Dynamic Non-Fungible Tokens (dNFTs) provide the flexibility required for these use cases.
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## Creating a dNFT
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When minting a new NFT, set the `tfMutable` flag (`0x00000010`) to enable the ability to update the NFT's `URI` field.
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## Modifying a dNFT
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Use the `NFTokenModify` transaction to update the URI field of a dNFT. Provide the `Account` of the issuer or an authorized minter, the `Owner` of the dNFT (if different than the `Account` address), the `NFTokenID`, and the `URI` to the new object data.
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### Sample NFTokenModify Transaction
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```json
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{
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"TransactionType": "NFTokenModify",
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"Account": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
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"Owner": "rogue5HnPRSszD9CWGSUz8UGHMVwSSKF6",
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"Fee": "10",
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"Sequence": 33,
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"NFTokenID": "0008C350C182B4F213B82CCFA4C6F59AD76F0AFCFBDF04D5A048C0A300000007",
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"URI": "697066733A2F2F62616679626569636D6E73347A736F6C686C6976346C746D6E356B697062776373637134616C70736D6C6179696970666B73746B736D3472746B652F5665742E706E67",
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}
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```
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