[{"type":"report","id":"BLC-STUDY-0991","title":"NFT Metadata Extension like JSON-LD","author":[{"literal":"Yohei Nishikubo"}],"issued":{"date-parts":[[2023]]},"publisher":"Yohei Nishikubo","URL":"https://github.com/ethereum/ERCs/blob/master/ERCS/erc-7280.md","note":"Rights status: Licensed for redistribution. Not a licence to republish the paper."}]