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@Mitchell Turner is right. I want to add this. In Cardano you can mint NFTs using: Native scripts: using this option you're the owner of the policy keys (files) to mint a NFT with that policy Id. Unless your keys are stolen, then nobody else could use them to mint a NFT using the same policy Id. That means, nobody can update the metadata of your NFTs. ...


The uniqueness of an NFT comes from its minting policy, not the metadata. If you create a script that can only mint one token, then you know any token with that address as its currency symbol is unique, and thus non-fungible. One possible solution to your problem is a smart contract that holds the proof-of-ownership NFT for you. When the watch maker ...


You just have to wait, because these are reviewed by human beings working at the Cardano Foundation and it might take few days to work the back queue.

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