[{"type":"report","id":"BLC-STUDY-1076","title":"Lockable Extension for ERC-1155","author":[{"literal":"Piyush Chittara"}],"issued":{"date-parts":[[2023]]},"publisher":"Piyush Chittara","URL":"https://github.com/ethereum/ERCs/blob/master/ERCS/erc-7721.md","note":"Rights status: Licensed for redistribution. Not a licence to republish the paper."}]