Wikipedia:Reference desk/Archives/Computing/2022 January 23
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January 23[edit]
Whose-was-first NFTs[edit]
Is it possible on any existing blockchain to create a non-fungible token that meets these requirements?
- No matter how many times the NFT has changed hands, a user who knows the current owner and has access to a trusted node that has observed all b blocks and stores O(log b) data, where b is the blockchain height, can determine the creator's address and the block in which it was minted within O(1) time.
- No two creators can create NFTs with identical content in the same block.
- The NFT never changes hands without the transaction being signed by the current owner.