Question: The future of the NFT Landscape

I am struggling to become a believer in the NFT concept, is there anything stopping an artist from
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Creating an NFT on the Ethereum network
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Creating the same NFT on the Cardano network
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Creating the same NFT on the Polkadot network
Selling each three but on differing markets/chains but the same raw source item being sold digitally? How does this work? does the value of a NFT part depend on the value of the network it is held upon? Someone please, educate me on this point 😀
submitted by /u/chrisfirgaira
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