Blockchain bridge systems, methods, and storage media for trading non- fungible token

This invention describes a system for trading digital collectibles, known as NFTs, across different blockchain networks. It works by creating an NFT on a first blockchain, moving it to a second blockchain, and then enabling trades of that NFT between the second blockchain and a third blockchain that is incompatible with the first. All these trades are recorded on the second blockchain, and the NFT's underlying digital content originates from a web server, potentially via a web widget.

Why it matters: Filed when blockchain bridge security was a major concern and many solutions were nascent. Since 2022, advancements in cross-chain interoperability protocols and zero-knowledge proofs have made building more secure and efficient bridges for incompatible blockchains more feasible.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedBlockchain interoperability software, smart contracts

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