A cross-chain NFT is a non-fungible token that can move or be represented across multiple blockchains while preserving its identity, ownership, and metadata. It uses bridges, burn-and-mint mechanisms, or messaging protocols to transfer the canonical token between networks. It enables NFTs to access liquidity, marketplaces, and applications on chains other than where they were minted.
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- Common designs lock or burn a token on the source chain and mint a verified representation on the destination, ensuring no duplication of the canonical asset. Preserving immutable provenance, royalty enforcement, and metadata fidelity across heterogeneous token standards is the principal difficulty in cross-chain NFT transfer.